10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 __________________________________

FORM 10-Q

 __________________________________

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2016

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from              to             .

Commission file number 001-33740

__________________________________

CYS Investments, Inc.

(Exact name of registrant as specified in its charter)

__________________________________

Maryland	20-4072657
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
500 Totten Pond Road, 6th Floor, Waltham, Massachusetts	02451
(Address of principal executive offices)	(Zip Code)

(617) 639-0440

(Registrant’s telephone number, including area code)

__________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. Check one:

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨  (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Class	July 28, 2016
Common Stock ($0.01 par value)	151,414,696

Table of Contents

	Page
PART I.  FINANCIAL INFORMATION
Item 1.Financial Statements
Consolidated Balance Sheets at June 30, 2016 (Unaudited) and December 31, 2015	1
(Derived from the audited consolidated financial statements at December 31, 2015)
Consolidated Statements of Operations (Unaudited) for the three and six months ended June 30, 2016 and 2015	2
Consolidated Statements of Stockholders’ Equity (Unaudited) for the six months ended June 30, 2016 and 2015	3
Consolidated Statements of Cash Flows (Unaudited) for the six months ended June 30, 2016 and 2015	4
Notes to Consolidated Financial Statements (Unaudited)
Note 1: Organization	5
Note 2: Significant Accounting Policies	5
Note 3: Investments in Securities	10
Note 4: Derivative Instruments	12
Note 5: Repurchase Agreements and FHLBC Advances	13
Note 6: Commitments and Contingencies	14
Note 7: Pledged Assets	15
Note 8: Fair Value Measurements	18
Note 9: Stockholders' Equity	19
Note 10: Earnings Per Share	21
Note 11: Subsequent Events	21
Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations
Forward Looking Statements	22
Executive Overview	23
Trends and Recent Market Activity	24
Financial Condition	26
Summary Financial Data	31
Results of Operations	33
Off-Balance Sheet Arrangements	39
Liquidity and Capital Resources	40
Quantitative and Qualitative Disclosures about Short-Term Borrowings	42
Inflation	43
Item 3. Quantitative and Qualitative Disclosures about Market Risk	43
Item 4. Controls and Procedures	46
PART II.  OTHER INFORMATION
Item 1. Legal Proceedings	46
Item 1A. Risk Factors	46

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	46
Item 3. Defaults Upon Senior Securities	47
Item 5. Other Information	47
Item 6. Exhibits	47
SIGNATURES	49

PART I. Financial Information

Item 1.         Financial Statements

CYS INVESTMENTS, INC.

CONSOLIDATED BALANCE SHEETS

(dollars and shares in thousands)

	June 30, 2016			December 31, 2015*
	(Unaudited)
Assets:
Cash	$	13,182		$	9,982
Investments in securities, at fair value:
Agency mortgage-backed securities (including pledged assets of $10,106,787 and $11,587,014, respectively)	11,879,933			12,927,996
U.S. Treasury securities (including pledged assets of $884,213 and $14,886, respectively)	884,213			99,711
Receivable for securities sold and principal repayments	1,507			1,084,844
Receivable for cash pledged as collateral	97,309			21,751
Interest receivable	32,460			34,563
Derivative assets, at fair value	24,650			100,778
Other investments	31,028			50,028
Other assets	1,625			1,051
Total assets	$	12,965,907		$	14,330,704
Liabilities and stockholders' equity:
Liabilities:
Repurchase agreements	$	9,849,501		$	8,987,776
FHLBC Advances, at fair value	575,000			2,098,701
Payable for securities purchased	652,619			1,475,974
Payable for cash received as collateral	4,826			18,534
Accrued interest payable	20,307			32,588
Accrued expenses and other liabilities	4,857			4,083
Dividends payable	42,259			4,410
Derivative liabilities, at fair value	95,529			14,024
Total liabilities	$	11,244,898		$	12,636,090
Stockholders' equity:
Preferred Stock, $0.01 par value, 50,000 shares authorized:
7.75% Series A Cumulative Redeemable Preferred Stock, (3,000 shares issued and outstanding, respectively, $75,000 in aggregate liquidation preference)	$	72,369		$	72,369
7.50% Series B Cumulative Redeemable Preferred Stock, (8,000 shares issued and outstanding, respectively, $200,000 in aggregate liquidation preference)	193,531			193,531
Common Stock, $0.01 par value, 500,000 shares authorized (151,394 and 151,740 shares issued and outstanding, respectively)	1,514			1,517
Additional paid in capital	1,942,930			1,946,419
Retained earnings (accumulated deficit)	(489,335		)	(519,222		)
Total stockholders' equity	$	1,721,009		$	1,694,614
Total liabilities and stockholders' equity	$	12,965,907		$	14,330,704

*    Derived from audited consolidated financial statements.

See Notes to unaudited consolidated financial statements.

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CYS INVESTMENTS, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)

(dollars in thousands, except per share data)

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Interest income:
Agency RMBS	$	74,176		$	79,579		$	155,499		$	159,639
Other	681			953			809			1,743
Total interest income	74,857			80,532			156,308			161,382
Interest expense:
Repurchase agreements	16,910			9,607			32,797			19,218
FHLBC Advances	1,777			655			3,835			686
Total interest expense	18,687			10,262			36,632			19,904
Net interest income	56,170			70,270			119,676			141,478
Other income (loss):
Net realized gain (loss) on investments	36,359			9,435			37,561			27,688
Net unrealized gain (loss) on investments	28,915			(176,899		)	191,201			(101,210		)
Net unrealized gain (loss) on FHLBC Advances	(448		)	(11		)	(1,299		)	(11		)
Other income	387			118			850			158
Net realized and unrealized gain (loss) on investments, FHLBC Advances and other income	65,213			(167,357		)	228,313			(73,375		)
Swap and cap interest expense	(14,779		)	(24,992		)	(33,177		)	(52,460		)
Net realized and unrealized gain (loss) on derivative instruments	(44,535		)	31,047			(185,059		)	(46,321		)
Net gain (loss) on derivative instruments	(59,314		)	6,055			(218,236		)	(98,781		)
Total other income (loss)	5,899			(161,302		)	10,077			(172,156		)
Expenses:
Compensation and benefits	3,565			3,712			7,430			7,266
General, administrative and other	2,294			2,293			4,782			4,496
Total expenses	5,859			6,005			12,212			11,762
Net income (loss)	$	56,210		$	(97,037	)	$	117,541		$	(42,440	)
Dividends on preferred stock	(5,203		)	(5,203		)	(10,406		)	(10,406		)
Net income (loss) available to common stockholders	$	51,007		$	(102,240	)	$	107,135		$	(52,846	)
Net income (loss) per common share basic & diluted	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)
Dividends declared per common share	$	0.25		$	0.28		$	0.51		$	0.58

See Notes to unaudited consolidated financial statements.

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CYS INVESTMENTS, INC.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED)

(dollars in thousands)

	Cumulative Redeemable Preferred Stock
	Series A		Series B		Common Stock Par Value			Additional Paid-in Capital			Retained Earnings (Accumulated Deficit)			Total
Balance, December 31, 2014	$	72,369	$	193,531	$	1,618		$	2,049,152		$	(341,502	)	$	1,975,168
Net income (loss)	—		—		—			—			(42,440		)	(42,440		)
Issuance of common stock	—		—		5			(5		)	—			—
Amortization of share based compensation	—		—		—			2,021			—			2,021
Repurchase and cancellation of common stock	—		—		(55		)	(48,829		)	—			(48,884		)
Preferred dividends	—		—		—			—			(10,406		)	(10,406		)
Common dividends	—		—		—			—			(91,353		)	(91,353		)
Balance, June 30, 2015	$	72,369	$	193,531	$	1,568		$	2,002,339		$	(485,701	)	$	1,784,106
Balance, December 31, 2015	$	72,369	$	193,531	$	1,517		$	1,946,419		$	(519,222	)	$	1,694,614
Net income (loss)	—		—		—			—			117,541			117,541
Issuance of common stock	—		—		4			(4		)	—			—
Amortization of share-based compensation	—		—		—			2,023			—			2,023
Repurchase and cancellation of common stock	—		—		(7		)	(5,508		)	—			(5,515		)
Preferred dividends	—		—		—			—			(10,406		)	(10,406		)
Common dividends	—		—		—			—			(77,248		)	(77,248		)
Balance, June 30, 2016	$	72,369	$	193,531	$	1,514		$	1,942,930		$	(489,335	)	$	1,721,009

See Notes to unaudited consolidated financial statements.

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CYS INVESTMENTS, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)

(dollars in thousands)

	Six Months Ended June 30,
	2016			2015
Cash flows from operating activities:
Net income (loss)	$	117,541		$	(42,440	)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Amortization of share-based compensation	2,023			2,021
Amortization of premiums and discounts on investment securities	38,457			49,016
Amortization of premiums on interest rate cap contracts	8,750			8,750
Net realized (gain) loss on investments	(37,561		)	(27,688		)
Net unrealized (gain) loss on investments	(191,201		)	101,210
Net realized and unrealized (gain) loss on derivative instruments	148,883			41,453
Net unrealized (gain) loss on FHLBC Advances	1,299			11
Change in assets and liabilities:
Interest receivable	2,103			343
Other assets	(574		)	(221		)
Accrued interest payable	(12,281		)	(897		)
Accrued expenses and other liabilities	774			(1,786		)
Net cash provided by (used in) operating activities	78,213			129,772
Cash flows from investing activities:
Purchase of investment securities	(7,253,953		)	(14,162,369		)
Purchase of other investments	—			(33,003		)
Proceeds from sale of available-for-sale investments	6,842,804			13,366,352
Proceeds from sale of other investments	19,000			—
Proceeds from paydowns of investment securities	865,015			1,034,696
Change in assets and liabilities:
Receivable for securities sold and principal repayments	1,083,337			(824,018		)
Receivable for cash pledged as collateral	(75,558		)	(14,405		)
Payable for securities purchased	(823,355		)	227,187
Payable for cash received as collateral	(13,708		)	(47,667		)
Net cash provided by (used in) investing activities	643,582			(453,227		)
Cash flows from financing activities:
Proceeds from repurchase agreements	49,667,326			48,487,809
Repayments of repurchase agreements	(48,805,601		)	(49,662,033		)
Proceeds from FHLBC Advances	2,175,000			10,860,000
Repayments of FHLBC Advances	(3,700,000		)	(9,210,000		)
Net payments from repurchase of common stock	(5,515		)	(48,884		)
Net proceeds from issuance of preferred stock	—			—
Dividends paid	(49,805		)	(57,841		)
Net cash provided by (used in) financing activities	(718,595		)	369,051
Net increase (decrease) in cash	3,200			45,596
Cash - Beginning of period	9,982			4,323
Cash - End of period	$	13,182		$	49,919
Supplemental disclosures of cash flow information:
Interest paid (excluding interest paid on interest rate swaps)	$	37,549		$	21,133
Net interest paid on interest rate swaps	$	35,789		$	43,378
Income taxes paid	$	—		$	—
Supplemental disclosures of non-cash flow information:
Dividends declared, not paid	$	42,259		$	48,328

See Notes to unaudited consolidated financial statements.

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CYS INVESTMENTS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

June 30, 2016

These footnotes to our accompanying financial statements in this interim report should be read in conjunction with the footnotes to our Annual Report on Form 10-K, filed with the SEC on February 17, 2016 (the "2015 Annual Report").

1. ORGANIZATION

CYS Investments, Inc. (the "Company" "we", "us", and "our") was formed as a Maryland corporation on January 3, 2006, and commenced operations on February 10, 2006. The Company has elected to be taxed and intends to continue to qualify as a real estate investment trust ("REIT") and is required to comply with the provisions of the Internal Revenue Code of 1986, as amended (the "Code"), with respect thereto. The Company has primarily purchased residential mortgage-backed securities that are issued and the principal and interest of which are guaranteed by a federally chartered corporation ("Agency RMBS"), such as the Federal National Mortgage Association ("Fannie Mae") or the Federal Home Loan Mortgage Corporation ("Freddie Mac"), or an agency of the U.S. government such as the Government National Mortgage Association ("Ginnie Mae"), and debt securities issued by the United States Department of Treasury ("U.S. Treasuries"). The Company may also purchase collateralized mortgage obligations issued by a government agency or government-sponsored entity that are collateralized by Agency RMBS ("CMOs"), or securities issued by a government sponsored entity that are not backed by collateral but, in the case of government agencies, are backed by the full faith and credit of the U.S. government, and, in the case of government sponsored entities, are backed by the integrity and creditworthiness of the issuer ("U.S. Agency Debentures").

The Company’s common stock, Series A Cumulative Redeemable Preferred Stock, $25.00 liquidation preference (the "Series A Preferred Stock"), and Series B Cumulative Redeemable Preferred Stock, $25.00 liquidation preference (the "Series B Preferred Stock"), trade on the New York Stock Exchange under the symbols "CYS," "CYS PrA" and "CYS PrB," respectively.

In March 2015, our wholly-owned captive insurance subsidiary, CYS Insurance Services, LLC ("CYS Insurance"), was granted membership in the Federal Home Loan Bank ("FHLB") system, specifically in the FHLB of Cincinnati ("FHLBC"). Membership in the FHLBC obligates CYS Insurance to purchase FHLBC membership stock and activity stock, the latter being a percentage of the advances it obtains from the FHLBC. CYS Insurance seeks both short and long-term advances (collectively, "FHLBC Advances") from the FHLBC. On January 12, 2016, the Federal Housing Finance Agency ("FHFA") issued a final rule (the "Final Rule") amending its regulations governing FHLB Membership criteria for captive insurance companies. The Final Rule defines "insurance company" to exclude "captive insurers". Under this Final Rule, which became effective on February 19, 2016, CYS Insurance's membership in the FHLBC must be terminated within one year of the effective date and it will not be permitted to secure any new advances. As a result, all FHLBC Advances are required to be repaid no later than February 19, 2017. See Note 5, Repurchase Agreements and FHLBC Advances, for more information.

2. SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") and the instructions to Securities and Exchange Commission ("SEC") Form 10-Q and Article 10, Rule 10-01 of Regulation S-X. Accordingly, the financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. The unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements as of and for the year ended December 31, 2015, included in the 2015 Annual Report. The results for interim periods are not necessarily indicative of the results to be expected for the entire fiscal year.

The unaudited consolidated financial statements include the accounts of the Company and all of its subsidiaries. All intercompany balances and transactions have been eliminated. The unaudited consolidated financial statements of the Company have been prepared on the accrual basis of accounting in accordance with U.S. GAAP. The preparation of financial statements in conformity with U.S. GAAP requires management to make a number of estimates and assumptions that affect the amounts reported in the unaudited consolidated financial statements and accompanying footnotes. Actual results could differ from these estimates and the differences may be material.

Reclassification

Commencing with the report on Form 10-K for the year ended December 31, 2015, "Swap and cap interest expense", which up through September 30, 2015 was recognized as a separate component of " Total interest expense" in the consolidated statement of operations, is now recognized as a component of "Net gain (loss) on derivative instruments". This reclassification was made in order to record income, expenses and fair value changes related to derivative instruments in one line item in the

5

consolidated statements of operations, consistent with common industry practice. Prior period balances have been reclassified to conform to the current period presentation.

Investments in Securities

The Company's investment securities are accounted for in accordance with the Financial Accounting Standards Board's ("FASB") Accounting Standards Codification ("ASC") 320—Investments—Debt and Equity Securities. The Company has chosen to make a fair value election pursuant to ASC 825—Financial Instruments for its securities and, therefore, our investment securities are recorded at fair market value on the consolidated balance sheets. Electing the fair value option requires the Company to record changes in fair value of our investments in the unaudited consolidated statements of operations (as a component of net unrealized gain (loss) on investments), which in management’s view, more appropriately reflects the results of operations for a particular reporting period as all securities activities will be recorded in a similar manner. These investments meet the requirements to be classified as available-for-sale under ASC 320.

The Company records security purchase and sale transactions, including forward settling transactions, on a trade date basis. Realized gains and losses on securities transactions are recorded on an identified cost basis.

Agency RMBS

The Company’s investments in Agency RMBS consist of pass-through certificates backed by fixed-rate, monthly-reset adjustable-rate loans ("ARMs") and hybrid ARMs, the principal and interest of which are guaranteed by Fannie Mae, Freddie Mac or Ginnie Mae. Hybrid ARMs have interest rates that have an initial fixed period (typically three, five, seven or ten years) and thereafter reset at regular intervals in a manner similar to ARMs.

Forward Settling Transactions

The Company engages in forward settling transactions to purchase or sell certain securities. Agency RMBS may include forward contracts for Agency RMBS purchases or sales of specified pools on a to-be-announced basis ("TBA Securities") that meet the regular-way scope exception in ASC 815—Derivatives and Hedging ("ASC 815"), and are recorded on a trade date basis to the extent it is probable that we will take or make timely physical delivery of the related securities. The Company maintains security positions such that sufficiently liquid assets will be available to make payment on the settlement date for securities purchased. The Agency RMBS purchased at the forward settlement date are typically priced at a discount to securities for settlement in the current month. Securities purchased on a forward settling basis are carried at fair value and begin earning interest on the settlement date. Gains or losses may occur on these transactions due to changes in market conditions or the failure of counterparties to perform under the contract. See Note 7, Pledged Assets, for disclosure regarding the fair value of collateral pledged or received on forward settling transactions.

Investment Valuation

The Company's pricing committee is responsible for establishing valuation policies and procedures, as well as reviewing and approving valuations during monthly pricing meetings. The pricing committee is composed of individuals from the finance and investment teams and other members of senior management.

Agency RMBS, U.S. Agency Debentures and U.S. Treasuries are generally valued based on prices provided by third-party services and derived from such services’ pricing models. Inputs to the models may include, but are not limited to, reported trades, executable bid and ask prices, broker quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and/or economic events. The pricing services may also use a matrix approach, which uses information regarding securities with similar characteristics to determine the valuation for a security.

We generally value interest rate swaps and caps using prices provided by broker quotations. Such broker quotations are based on the present value of fixed and projected floating rate cash flows over the term of the swap contract. Future cash flows are discounted to present value using swap rates provided by electronic data services or by brokers.

All valuations from third-party pricing services or broker quotes are non-binding. The pricing committee reviews all prices. To date, the Company has not adjusted any of the prices received from third-party pricing services or brokers. Our pricing review includes comparisons of similar market transactions, alternative third-party pricing services and broker quotes, or comparisons to a pricing model. To ensure proper characterization within the fair value hierarchy in ASC 820, Fair Value Measurement ("ASC 820"), the Company reviews the third-party pricing services methodologies periodically to ascertain which observable or unobservable inputs are being used. See Note 8, Fair Value Measurements, for a discussion of how the Company values its assets.

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Derivative Instruments

Included in Derivative Instruments are interest rate swaps and interest rate caps and TBA Derivatives (defined below).

The Company uses interest rate swaps and interest rate caps to economically hedge a portion of its exposure to market risks, including interest rate and extension risk. The objective of our risk management strategy is to reduce fluctuations in stockholders’ equity over a range of interest rate scenarios. In particular, we attempt to manage the risk of the cost of our variable rate liabilities increasing during a period of rising interest rates.

During the term of an interest rate swap or cap (a "swap" or "cap", respectively), the Company makes or receives periodic payments and records unrealized gains or losses as a result of marking the swap or cap to fair value. When the Company terminates a swap or cap, we record a realized gain or loss equal to the difference between the proceeds from (or the cost of) closing the transaction and the Company's cost basis in the contract, if any. We report the periodic payments and amortization of premiums on cap contracts under swap and cap interest expense in the accompanying unaudited consolidated statements of operations. Swaps involve a risk that interest rates will move contrary to the Company’s expectations, thereby increasing the Company’s payment obligation.

The Company's interest rate swap and cap contracts may be subject to a master netting arrangement ("MNA"). The Company is exposed to credit loss in the event of non-performance by the counterparty to the swap or cap limited to the fair value of collateral posted in excess of the fair value of the contract in a net liability position and the shortage of the fair value of collateral posted for the contract in a net asset position. As of June 30, 2016 and December 31, 2015, the Company did not anticipate non-performance by any counterparty. Should interest rates move contrary to the Company's expectations, the Company may not achieve the anticipated benefits of the interest rate swap or cap and may realize a loss.

While the Company's derivative agreements generally permit netting or setting off derivative assets and liabilities with the counterparty, the Company reports derivative assets and liabilities on a gross basis in the accompanying consolidated balance sheets. Derivatives are accounted for in accordance with ASC 815 which requires recognition of all derivatives as either assets or liabilities at fair value in the accompanying consolidated balance sheets with changes in fair value recognized in the accompanying consolidated statements of operations in "Net realized and unrealized gain (loss) on derivative instruments". Cash receipts and payments related to derivative instruments are classified in the accompanying unaudited consolidated statements of cash flows in accordance with U.S. GAAP in both the operating and investing activities sections.

The Company enters into TBA dollar roll transactions whereby the Company is not contractually obligated to accept delivery on the settlement date ("TBA Derivatives"). TBA Derivatives are accounted for as a series of derivative transactions. The fair value of TBA Derivatives is based on similar methods used to value Agency RMBS with gains and losses recorded in Net realized and unrealized gains (losses) on derivative instruments in the accompanying consolidated statements of operations. TBA Derivative transactions involve moving the settlement of a TBA contract out to a later date by entering into an offsetting short position (referred to as a "pair off"), net settling the paired off positions for cash, and simultaneously purchasing a similar TBA contract for a later settlement date.  The Company records such pair offs on a gross basis such that there is a sale of the original TBA Derivative and a subsequent purchase of a new TBA Derivative. 

None of the Company's derivatives have been designated as hedging instruments for accounting purposes. Effective January 1, 2016, the Company recognized all TBAs that do not qualify for the regular-way scope exception under ASC 815 as derivatives.

Interest Income

We record interest income and expense on an accrual basis. We accrue interest income based on the outstanding principal amount of the securities and their contractual terms. We amortize premiums and discounts using the effective interest method, and this net amortization is either accretive to or a reduction of interest income from Agency RMBS in the Company's unaudited consolidated statements of operations. The Company does not estimate prepayments when calculating the yield to maturity on Agency RMBS. We record the amount of premium or discount associated with a prepayment through interest income from Agency RMBS in the accompanying unaudited consolidated statements of operations as it occurs.

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Other Investments

CYS Insurance, is a member of, and owns capital stock in, the FHLBC. As a condition of its membership in the FHLBC, CYS Insurance is required to maintain FHLBC stock, both for membership and for the level of advances from the FHLBC to CYS Insurance. The Company accounts for its investment in FHLBC stock as a cost method investment in "Other investments" in the accompanying consolidated balance sheets in accordance with ASC 325, Investments - Other. The Company periodically evaluates FHLBC stock for impairment in accordance with ASC 320—Investments—Debt and Equity Securities. Also included in other investments is a real estate asset which is recorded at fair value.

Repurchase Agreements and FHLBC Advances

Borrowings under repurchase agreements ("repo borrowings") and FHLBC Advances are collateralized by the Company’s Agency RMBS and U.S. Treasuries (collectively, "Debt Securities"). The Company’s repo borrowing counterparties are institutional dealers in fixed income securities and large financial institutions, and CYS Insurance's counterparty for FHLBC Advances is the FHLBC. Collateral pledged on repo borrowings is valued daily, and on FHLBC Advances periodically, and our counterparties (including the FHLBC) may require posting of additional collateral when the fair value of pledged collateral declines. Repo borrowing counterparties and the FHLBC have the right to sell or repledge collateral pledged under repo borrowings and FHLBC Advances.

We account for our repo borrowings as short-term indebtedness under ASC 470—Debt; accordingly, these short-term instruments are accounted in our financial statements and carried at their amortized cost, which approximates fair value due to their short-term nature.

Also, we have entered into FHLBC Advances that may have an initial maturity of more than one year that are collateralized by the Company's Debt Securities. The Company has chosen to make a fair value election pursuant to ASC 825—Financial Instruments for FHLBC Advances with initial terms greater than one year and, therefore, this debt is recorded at fair market value in the accompanying consolidated balance sheets. The unpaid principal balance of FHLBC Advances with initial maturities less than one year generally approximate fair value due to the short-term nature of the instruments. We price FHLBC Advances with an initial maturity greater than one year daily through a pricing service that uses a discounted cash flow model to value the debt, and periodically we validate the prices we receive through this process. The changes in fair market value are recorded in current period earnings in the accompanying unaudited consolidated statements of operations as a component of net unrealized gain (loss) on FHLBC Advances. Electing the fair value option permits the Company to record changes in the fair value of our FHLBC Advances along with that of our investments in the consolidated statements of operations which, in management’s view, more appropriately reflects the results of operations for a particular reporting period as all income producing assets and liabilities are recognized in a consistent manner.

Recent Accounting Pronouncements

The following table provides a brief description of recent accounting pronouncements that could potentially impact the Company's consolidated financial statements:

8

Accounting Standard	Description	Required Date of Adoption	Anticipated Effect on the Financial Statements
ASU 2016-02 Leases (Topic 842)	The amendments require lessees to recognize a right-of-use asset and a liability to make lease payments in the balance sheets for most leases.  The accounting for lessors is largely unchanged.	January 1, 2019 (early adoption permitted)	Not expected to have a significant impact on the consolidated financial statements.
ASU 2016-01 Financial Instruments - Overall (Subtopic 825-10) Recognition and Measurement of Financial Assets and Financial Liabilities	The amendments address certain aspects of recognition, measurement, presentation, and disclosure of financial instruments.	January 1, 2018 (early adoption permitted for a provision related to presentation of instrument-specific credit risk of liabilities accounted for under the fair value option)	Not expected to have a significant impact on the consolidated financial statements.
ASU 2016-09, Compensation — Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting (issued March 30, 2016)	The amendment simplifies several aspects of the accounting for employee share-based payment transactions for both public and nonpublic entities, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows.	December 15, 2016 (early adoption permitted)	This standard is not expected to change the way the Company accounts for share-based payments to employees or directors.

9

3. INVESTMENTS IN SECURITIES

The available-for-sale portfolio consisted of the following as of June 30, 2016 and December 31, 2015 (in thousands):    

June 30, 2016
Asset Type	Amortized Cost		Gross Unrealized Loss			Gross Unrealized Gain		Fair Value
Fannie Mae Certificates
Fixed Rate	$	9,902,622	$	—		$	192,392	$	10,095,014
ARMs	274,907		—			3,707		278,614
Total Fannie Mae	10,177,529		—			196,099		10,373,628
Freddie Mac Certificates
Fixed Rate	1,406,092		(7		)	29,019		1,435,104
ARMs	28,752		—			808		29,560
Total Freddie Mac	1,434,844		(7		)	29,827		1,464,664
Ginnie Mae Certificates - ARMs	41,016		—			625		41,641
Total Agency RMBS	11,653,389		(7		)	226,551		11,879,933
U.S. Treasuries	881,059		—			3,154		884,213
Total	$	12,534,448	$	(7	)	$	229,705	$	12,764,146
December 31, 2015
Asset Type	Amortized Cost		Gross Unrealized Loss			Gross Unrealized Gain		Fair Value
Fannie Mae Certificates
Fixed Rate	$	11,142,798	$	(45,018	)	$	74,891	$	11,172,671
ARMs	260,394		(1,859		)	1,860		260,395
Total Fannie Mae	11,403,192		(46,877		)	76,751		11,433,066
Freddie Mac Certificates
Fixed Rate	1,379,566		(3,881		)	11,822		1,387,507
ARMs	60,821		(727		)	749		60,843
Total Freddie Mac	1,440,387		(4,608		)	12,571		1,448,350
Ginnie Mae Certificates - ARMs	45,784		—			796		46,580
Total Agency RMBS	12,889,363		(51,485		)	90,118		12,927,996
U.S. Treasuries	99,847		(136		)	—		99,711
Total	$	12,989,210	$	(51,621	)	$	90,118	$	13,027,707

The following table presents the gross unrealized loss and fair values of our available-for-sale Agency RMBS by length of time that such securities have been in a continuous unrealized loss position as of June 30, 2016 and December 31, 2015 (in thousands):

	Unrealized loss positions for
	Less than 12 Months					Greater than 12 months					Total
As of	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
June 30, 2016	$	3,581	$	(7	)	$	—	$	—		$	3,581	$	(7	)
December 31, 2015	6,718,658		(50,318		)	86,300		(1,303		)	6,804,958		(51,621		)

10

The following table summarizes our net realized gain (loss) from the sale of available-for-sale investments for the three and six months endedJune 30, 2016 and 2015 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Available-for-sale investments, at cost	$	5,408,055		$	7,338,701		$	6,805,243		$	13,338,664
Proceeds from sale of available-for-sale investments	5,444,414			7,348,136			6,842,804			13,366,352
Net realized gain (loss) on sale of available-for-sale investments	$	36,359		$	9,435		37,561			27,688
Gross gain on sale of available-for-sale investments	$	36,743		$	28,403		42,126			62,382
Gross (loss) on sale of available-for-sale investments	(384		)	(18,968		)	(4,565		)	(34,694		)
Net realized gain (loss) on sale of available-for-sale investments	$	36,359		$	9,435		$	37,561		$	27,688

The components of the carrying value of available-for-sale securities at June 30, 2016 and December 31, 2015 are presented below. A premium purchase price is generally due to the average coupon interest rates on these investments being higher than prevailing market rates; similarly, a discount purchase price is generally due to the average coupon interest rate on these investments being lower than prevailing market rates.

(in thousands)	June 30, 2016			December 31, 2015
Principal balance	$	12,108,771		$	12,527,932
Unamortized premium	425,792			462,631
Unamortized discount	(115		)	(273		)
Gross unrealized gains	229,705			89,038
Gross unrealized losses	(7		)	(51,621		)
Fair value	$	12,764,146		$	13,027,707

The weighted-average coupon interest rate on the Company's Debt Securities as of June 30, 2016 and December 31, 2015 was 3.15% and 3.39%, respectively. Actual maturities of Agency RMBS are generally shorter than their stated contractual maturities (which range up to 30 years), because they are affected by the contractual lives of the underlying mortgages, periodic payments and principal prepayments.

As of June 30, 2016 and December 31, 2015, the range of final contractual maturities of the Company’s Agency RMBS portfolio was between 2024 and 2046, and the final maturities of the Company's U.S. Treasuries was 2019 and 2017, respectively.

Credit Risk

The Company believes it has minimal exposure to credit losses on its investment securities assets at June 30, 2016 and December 31, 2015 because it principally owns Debt Securities. Principal and interest payments on Agency RMBS are guaranteed by Freddie Mac and Fannie Mae, while principal and interest payments on Ginnie Mae RMBS and U.S. Treasuries are backed by the full faith and credit of the U.S. government.

In September 2008, both Freddie Mac and Fannie Mae were placed in the conservatorship of the U.S. government. On August 5, 2011, Standard & Poor’s ("S&P") downgraded the U.S. government’s credit rating for the first time to AA+. Fitch Ratings Inc. ("Fitch") announced on October 15, 2013 that it had placed the U.S. government's credit rating on "negative watch". This was changed to "stable" on March 21, 2014 and Fitch reaffirmed the "stable outlook" on April 12, 2016. As of June 30, 2016 and December 31, 2015, S&P maintained a AA+ rating, while Fitch and Moody's rate the U.S. government AAA and Aaa, respectively. Because Fannie Mae and Freddie Mac remain under U.S. government conservatorship, the implied credit ratings of Agency RMBS are similarly rated. While the conservatorship, ratings downgrade and ratings watch appear not to have had a significant impact on the fair value of the Agency RMBS or U.S. Treasuries in the Company’s portfolio, these developments create a level of uncertainty regarding the credit risk of Debt Securities.

11

4. DERIVATIVE INSTRUMENTS

The Company enters into interest rate swap and cap contracts with the intent of managing our interest rate exposure. The Company had the following activity in interest rate swap and cap transactions during the six months ended June 30, 2016 and 2015 (in thousands):

June 30, 2016					June 30, 2015
Trade Date	Transaction	Notional			Trade Date	Transaction	Notional
January 2016	Terminated	$	(500,000	)	January 2015	Terminated	$	(400,000	)
May 2016	Terminated	(2,200,000		)	January 2015	Opened	$	500,000
May 2016	Opened	1,700,000			April 2015	Terminated	$	(400,000	)
Net Decrease		$	(1,000,000	)	Net Decrease		$	(300,000	)

As of June 30, 2016 and December 31, 2015, the Company had pledged Debt Securities with a fair value of $73.5 million and $50.7 million, respectively, as collateral on interest rate swap and cap contracts. As of June 30, 2016 and December 31, 2015, the Company had pledged cash of $97.3 million and $21.8 million, respectively, as collateral on interest rate swap and cap contracts. As of June 30, 2016, the Company had Debt Securities of $7.3 million and cash of $4.8 million pledged to it as collateral for its derivative instruments. As of December 31, 2015, the Company had Debt Securities of $44.1 million and cash of $18.5 million pledged to it as collateral for its interest rate swap and cap contracts. The table below summarizes fair value information about our derivative and other hedging instrument assets and liabilities as of June 30, 2016 and December 31, 2015 (in thousands):

		June 30, 2016					December 31, 2015
Derivative and Other Hedging Instruments - Assets	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative assets, at fair value	$	—	$	—		$	5,900,000	$	39,435
Interest Rate Caps	Derivative assets, at fair value	2,500,000		16,021			2,500,000		61,343
TBA Derivatives	Derivative assets, at fair value	1,156,000		8,629			—		—
Total derivative assets at fair value		3,656,000		24,650			8,400,000		100,778
Derivative and Other Hedging Instruments - Liabilities	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative liabilities, at fair value	$	6,950,000	$	(91,607	)	$	2,050,000	$	(14,024	)
Interest Rate Caps	Derivative liabilities, at fair value	—		—			—		—
TBA Derivatives	Derivative liabilities, at fair value	350,000		(3,922		)	—		—
Total derivative liabilities at fair value		7,300,000		(95,529		)	2,050,000		(14,024		)

The average notional value of the Company's TBA Derivatives during the three and six months endedJune 30, 2016 was $1,103.5 million and $1,299.0 million, respectively.

12

The following table presents information about the net realized and unrealized gain (loss) on swap, cap and TBA Derivatives for the three and six months endedJune 30, 2016 and 2015 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
Derivative Instrument Type	Location of Gain (Loss) on Derivative Instruments	2016			2015			2016			2015
Interest rate swaps and caps	Swap and cap interest expense	$	(14,779	)	$	(24,992	)	$	(33,177	)	$	(52,460	)
Interest rate swaps, caps and TBA Derivatives	Net realized and unrealized gain (loss) on derivative instruments	(44,535		)	31,047			(185,059		)	(46,321		)
Interest rate swaps, caps and TBA Derivatives	Net gain (loss) on derivative instruments	(59,314		)	6,055			$	(218,236	)	$	(98,781	)

The swap and cap notional was $9,450.0 million at June 30, 2016 compared to $10,450.0 million at December 31, 2015, and respectively 90.7% and 94.3% of our repo borrowings and FHLB Advances at June 30, 2016 and December 31, 2015.

5. REPURCHASE AGREEMENTS AND FHLBC ADVANCES

The Company leverages its Debt Securities portfolio primarily through repo borrowings and FHLBC Advances. Each of the Company's repo borrowings bears interest at a rate based on a spread above or below the London Interbank Offered Rate ("LIBOR"). The interest rates for FHLBC Advances are set by the FHLBC. While repo borrowings and FHLBC Advances are the Company's principal source of borrowings, the Company may issue long-term debt (i.e., debt with an initial term greater than one year) to diversify credit sources and to manage interest rate and duration risk.

Certain information with respect to the Company’s repo borrowings and FHLBC Advances outstanding at the balance sheet dates is summarized in the table below.

(in thousands)	June 30, 2016			December 31, 2015
Outstanding repurchase agreements	$	9,849,501		$	8,987,776
Outstanding FHLBC Advances(1)	$	575,000		$	2,098,701
Interest accrued thereon	$	6,465		$	7,383
Weighted-average borrowing rate	0.68		%	0.54		%
Weighted-average remaining maturity (in days)	56.1			42.2
Fair value of pledged collateral(2)	$	10,905,020		$	11,548,930

 __________________

(1) At June 30, 2016, the Company had $575.0 million of FHLBC Advances that are required to be repaid on or prior to February 19, 2017.

(2) Collateral for repo borrowings and FHLBC Advances consists of Agency RMBS and U.S. Treasuries.

The following table presents the remaining contractual maturity of the repo borrowings and FHLBC Advances by collateral type as of June 30, 2016 and December 31, 2015 (in thousands):

	Remaining contractual maturity
June 30, 2016		Up to 30 days		30-90 days		Greater than 90 days		Total
Agency RMBS		$	5,230,876	$	2,759,063	$	1,585,443	$	9,575,382
U.S. Treasuries		849,119		—		—		849,119
Total		$	6,079,995	$	2,759,063	$	1,585,443	$	10,424,501
December 31, 2015
Agency RMBS		$	7,579,885	$	2,235,246	$	924,394	$	10,739,525
U.S. Treasuries		348,251		—		—		348,251
Total		$	7,928,136	$	2,235,246	$	924,394	$	11,087,776

13

At June 30, 2016 and December 31, 2015, our amount at risk with any individual counterparty related to our repo borrowings or FHLBC Advances was less than 2.1% and 2.3% of stockholders' equity, respectively, and our repo borrowings or FHLBC Advances with any individual counterparty were less than 6.3% and 14.7% of our total assets, respectively. The amount at risk is defined as the excess of the fair value of the securities, including accrued interest, and cash, pledged to secure the repurchase agreement, over the amount of the repurchase agreement liability adjusted for accrued interest.

Prior to the issuance of the Final Rule on January 12, 2016, pursuant to the FHLBC terms and conditions of membership and applicable credit policies, CYS Insurance was able to obtain long-term advances, secured by eligible collateral, including, but not limited to, residential mortgage-backed securities. At June 30, 2016, we had $350.0 million in FHLBC Advances at fair value with initial maturities greater than one year with a related $0.4 million of accrued interest expense in the accompanying consolidated balance sheets. These advances had an original term of three years, a weighted average interest rate of 1.49%, and a remaining maturity of 0.6 years at June 30, 2016. These are callable after the one-year anniversary of the advance and thereafter every six months. As a direct result of the Final Rule, all FHLBC Advances are now required to be repaid on or before February 19, 2017. At December 31, 2015, we had $423.7 million in FHLBC Advances at fair value with initial maturities greater than one year with a related $0.5 million accrued interest expense in the accompanying consolidated balance sheets.    

The FHLBC requires that CYS Insurance purchase and hold activity stock in the FHLBC in an amount equal to a specified percentage of outstanding FHLBC Advances. As of June 30, 2016 and December 31, 2015, CYS Insurance held a combined total of $23.0 million and $42.0 million in FHLBC membership and activity stock that is included in "Other investments" in the accompanying unaudited consolidated balance sheets.

6. COMMITMENTS AND CONTINGENCIES

The Company enters into certain agreements that contain a variety of indemnifications, principally with broker-dealers. As of June 30, 2016 and December 31, 2015, no claims have been asserted against the Company under these indemnification agreements. Accordingly, the Company has no liabilities recorded for these agreements as of June 30, 2016 and December 31, 2015.

The Company occupied leased office space for which the term expired on June 30, 2016. In September 2015, the Company entered into a new lease agreement with a commencement date of January 1, 2016, and an estimated rent commencement date of July 1, 2016 (the "New Lease"). The New Lease has an initial term of 84 months from the rent commencement date. Both leases have been classified as operating leases. The Company’s aggregate future minimum lease payments total approximately $2.7 million.  The following table details the lease payments (in thousands):

Years Ending December 31,	Lease Commitments
2016 (remaining)	$	196
2017	353
2018	363
2019	373
2020	383
Thereafter	998
	$	2,666

14

7. PLEDGED ASSETS

Assets Pledged to Counterparties

The following tables summarize our assets pledged as collateral under our repo borrowings, FHLBC Advances, and derivative instruments by type, including securities pledged related to securities purchased or sold but not yet settled, as of June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016
Asset Type	Repurchase Agreements and FHLBC Advances		Derivative Instruments		Forward Settling Trades (TBAs) (1)		Total
Agency RMBS - fair value	$	10,061,237	$	45,550	$	—	$	10,106,787
U.S. Treasuries - fair value	854,217		31,810		—		886,027
Accrued interest on pledged securities	27,596		154		—		27,750
Cash	—		97,309		—		97,309
Total	$	10,943,050	$	174,823	$	—	$	11,117,873

December 31, 2015
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)		Total
Agency RMBS - fair value	$	11,547,098	$	37,657	$	2,259	$	11,587,014
U.S. Treasuries - fair value	1,832		13,054		—		14,886
Accrued interest on pledged securities	30,890		196		5		31,091
Cash	—		21,751		—		21,751
Total	$	11,579,820	$	72,658	$	2,264	$	11,654,742

 __________________

(1) Excludes forward settling transactions classified as TBA Derivatives which are included in derivative instruments effective January 1, 2016.

15

Assets Pledged from Counterparties

If the estimated fair value of our investment securities pledged as collateral increases due to changes in interest rates or other factors, we may require counterparties to return collateral to us, which may be in the form of identical or similar securities, or cash. As of June 30, 2016 and December 31, 2015, we had assets pledged to us as collateral under our repurchase agreements, derivative agreements and TBAs as summarized in the tables below (in thousands):

June 30, 2016
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)(1)		Total
Agency RMBS - fair value	$	5,085	$	—	$	—	$	5,085
U.S. Treasuries - fair value	5,350		7,269		—		12,619
Accrued interest on pledged securities	37		44		—		81
Cash	—		4,826		—		4,826
Total	$	10,472	$	12,139	$	—	$	22,611

December 31, 2015
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)		Total
U.S. Treasuries - fair value	—		44,143		—		44,143
Accrued interest on pledged securities	—		209		—		209
Cash	—		18,534		—		18,534
Total	$	—	$	62,886	$	—	$	62,886

 __________________

(1) Excludes forward settling transactions classified as TBA Derivatives which are included in derivative instruments effective January 1, 2016.

Cash collateral received is recognized in "Cash" with a corresponding amount recognized in "Payable for cash received as collateral" in the accompanying consolidated balance sheets. The Company's collateral received in the form of securities from counterparties is disclosed in Note 4, Derivative Instruments.

The Company’s Master Repurchase Agreements and ISDA Master Agreements (together, the “Master Agreements”) generally provide (unless specified otherwise) that the Company may sell, pledge, rehypothecate, assign, invest, use, commingle, dispose of, or otherwise use in its business any posted collateral it holds, free from any claim or right of any nature whatsoever of the counterparty.  As of June 30, 2016, $12.6 million of assets were pledged to the Company under the Master Agreements, of which $1.8 million were pledged by the Company to other counterparties at June 30, 2016.  Since title to these assets remain with the counterparty under the Master Agreements, none of these assets are reflected in the accompanying consolidated balance sheets.

Offsetting Assets and Liabilities

Certain of our repurchase agreements and derivative transactions are governed by underlying agreements that generally provide for a right of offset under MNAs (or similar agreements), including in the event of default or in the event of bankruptcy of either party to the transactions. Under U.S. GAAP, if the Company has a contractual right of offset, the Company may offset the related asset and liability and report the net amount in the accompanying consolidated balance sheets. However, the Company reports amounts subject to its Master Repurchase Agreements ("MRAs") and International Standard Derivative Association ("ISDA") Agreements in the consolidated balance sheets on a gross basis without regard to such rights of offset.

16

At June 30, 2016 and December 31, 2015, the Company's derivative assets and liabilities (by type) are as follows (in thousands):

June 30, 2016	Assets		Liabilities
Interest rate swap contracts	$	—	$	91,607
Interest rate cap contracts	16,021		—
TBA derivatives	8,629		3,922
Total derivative assets and liabilities	24,650		95,529
Derivatives not subject to a Master Netting Agreement	—		84,996
Total assets and liabilities subject to a Master Netting Agreement	$	24,650	$	10,533
December 31, 2015	Assets		Liabilities
Interest rate swap contracts	$	39,435	$	14,024
Interest rate cap contracts	61,343		—
Total derivative assets and liabilities	100,778		14,024
Derivatives not subject to a Master Netting Agreements	25,151		14,024
Total assets and liabilities subject to a Master Netting Agreement	$	75,627	$	—

Below are summaries of the Company's assets and liabilities subject to offsetting provisions (in thousands):

Assets				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Assets Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Received(1)		Net Amount(2)
June 30, 2016	Derivative assets	$	24,650	$	2,117	$	9,581	$	12,952
December 31, 2015	Derivative assets	75,627		—		59,907		15,720

Liabilities				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Liabilities Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Pledged(1)		Net Amount(2)
June 30, 2016	Derivative liabilities	$	10,533	$	2,117	$	8,416	$	—
June 30, 2016	Repurchase agreements and FHLBC Advances	10,424,501		23,003		10,401,498		—
December 31, 2015	Derivative liabilities	—		—		—		—
December 31, 2015	Repurchase agreements and FHLBC Advances	11,086,477		42,003		11,044,474		—

______________

(1) Collateral consists of Agency RMBS, U.S. Treasuries and Cash. Excess collateral pledged is not shown for financial reporting purposes.

(2) Net amount represents the net amount receivable (in the case of assets) and payable (in the case of liabilities) to the counterparty in the event of default.

17

8. FAIR VALUE MEASUREMENTS

The Company’s valuation techniques are based on observable and unobservable inputs. ASC 820 establishes a fair value hierarchy that prioritizes and ranks the level of market price observability used in measuring financial instruments. Market price observability is affected by a number of factors, including the type of financial instrument, the characteristics specific to the financial instrument, and the state of the marketplace, including the existence and transparency of transactions between market participants. Financial instruments with readily available quoted prices in active markets generally will have a higher degree of market price observability and a lesser degree of judgment used in measuring fair value.

Financial instruments measured and reported at fair value are classified and disclosed based on the observability of inputs used in the determination, as follows:

Level 1: Generally includes only unadjusted quoted prices that are available in active markets for identical financial instruments as of the reporting date.

Level 2: Pricing inputs include quoted prices in active markets for similar instruments, quoted prices in less active or inactive markets for identical or similar instruments where multiple price quotes can be obtained, and other observable inputs, such as interest rates and yield curves.

Level 3: Pricing inputs are unobservable for the financial instruments and include situations where there is little, if any, market activity for the financial instrument. These inputs require significant judgment or estimation by management when determining fair value and generally represent anything that does not meet the criteria of Levels 1 and 2.

The estimated value of each asset reported at fair value using Level 3 inputs is approved by an internal committee composed of members of senior management, including our Chief Executive Officer, Chief Financial Officer, and other senior officers.

Excluded from the tables below are short-term financial instruments carried in our consolidated financial statements at cost basis, which is deemed to approximate fair value, primarily due to the short duration of these instruments, including cash, receivables, payables, repo borrowings and FHLBC Advances with initial terms of one year or less.

We generally value interest rate swaps and caps using prices provided by broker quotations. Such broker quotations are based on the present value of fixed and projected floating rate cash flows over the term of the swap contract. Future cash flows are discounted to present value using swap rates provided by electronic data services or by brokers.

"Other investments" is comprised of our investment in FHLBC stock and our investment in a real estate asset. Investment in real estate is considered to be a Level 3 asset to which we periodically apply valuation techniques and/or impairment analysis. FHLBC stock of approximately $23.0 million and $42.0 million at June 30, 2016 and December 31, 2015, respectively, is excluded from Other investments in the table below as the Company accounts for this investment as a cost method investment and periodically evaluates it for impairment.

The following tables provide a summary of the Company’s assets and liabilities that are measured at fair value on a recurring basis, as of June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total
Assets
Agency RMBS	$	—	$	11,879,933	$	—	$	11,879,933
U.S. Treasuries	884,213		—		—		884,213
Other investments	—		—		8,025		8,025
Derivative assets	—		24,650		—		24,650
Total	$	884,213	$	11,904,583	$	8,025	$	12,796,821
Liabilities
FHLBC Advances	—		350,000		—		350,000
Derivative liabilities	—		95,529		—		95,529
Total	$	—	$	445,529	$	—	$	445,529

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December 31, 2015	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total
Assets
Agency RMBS	$	—	$	12,927,996	$	—	$	12,927,996
U.S. Treasuries	99,711		—		—		99,711
Other investments	—		—		8,025		8,025
Derivative assets	—		100,778		—		100,778
Total	$	99,711	$	13,028,774	$	8,025	$	13,136,510
Liabilities
FHLBC Advances	—		423,701		—		423,701
Derivative liabilities	—		14,024		—		14,024
Total	$	—	$	437,725	$	—	$	437,725

The table below presents a reconciliation of changes in Other investments classified as Level 3 and measured at fair value on a recurring basis in the accompanying consolidated balance sheets for the three and six months ended June 30, 2016 and 2015.

Level 3 Fair Value Reconciliation
(In thousands)	Three and Six Months Ended June 30,
Other investments	2016		2015
Beginning balance Level 3 assets	$	8,025	$	8,025
Change in net unrealized gain (loss)	—		—
Gross purchases	—		—
Gross sales	—		—
Net gain (loss) on sales	—		—
Transfers into (out of) Level 3	—		—
Ending balance Level 3 assets	$	8,025	$	8,025

9. STOCKHOLDERS' EQUITY

The Company has authorized 500,000,000 shares of common stock having par value of $0.01 per share. As of June 30, 2016 and December 31, 2015, the Company had issued and outstanding 151,394,016 and 151,739,840 shares of common stock, respectively.

The Company has authorized 50,000,000 shares of preferred stock having a par value of $0.01 per share. As of June 30, 2016 and December 31, 2015, 3,000,000 shares of 7.75% Series A Cumulative Redeemable Preferred Stock ($25.00 liquidation preference) were issued and outstanding. As of June 30, 2016 and December 31, 2015, 8,000,000 shares of 7.50% Series B Cumulative Redeemable Preferred Stock ($25.00 liquidation preference) were issued and outstanding. The Series A Preferred Stock and Series B Preferred Stock is not redeemable before August 3, 2017 and April 30, 2018, respectively, except under circumstances where it is necessary to preserve the Company's qualification as a REIT, for federal income tax purposes, or the occurrence of a change of control. On or after August 3, 2017 and April 30, 2018, the Company may, at its option, redeem any or all of the shares of the Series A Preferred Stock and Series B Preferred Stock, respectively, at $25.00 per share plus any accumulated and unpaid dividends to, but not including, the respective redemption date. The Series A Preferred Stock and Series B Preferred Stock have no stated maturity, and are not subject to a sinking fund requirement or mandatory redemption.

Equity Offerings

On May 23, 2014, the Company filed an automatically effective shelf registration statement on Form S-3 with the SEC. The Company may offer and sell, from time to time, shares of common stock, preferred stock and debt securities in one or more offerings pursuant to the prospectus that is a part of the registration statement. As of June 30, 2016, the Company had not issued any shares of common stock, preferred stock or debt securities under the prospectus.

Dividend Reinvestment and Direct Stock Purchase Plan ("DSPP")

The Company sponsors a dividend reinvestment and direct stock purchase plan through which stockholders may purchase additional shares of common stock by reinvesting some or all cash dividends received on shares of common stock.

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Stockholders may also make optional cash purchases of shares of common stock subject to certain limitations detailed in the plan prospectus. For the six months ended June 30, 2016 and 2015 the Company did not issue any shares under the plan. As of June 30, 2016 and December 31, 2015, there were approximately 4.1 million shares available for issuance under the plan.

Share Repurchase Program

On November 15, 2012, the Company announced that its Board of Directors authorized the repurchase of shares of the Company’s common stock having an aggregate value of up to $250 million. Pursuant to this program, through July 20, 2014, the Company repurchased approximately $115.7 million in aggregate value of its shares of common stock on the open market. On July 21, 2014, the Company announced that its Board of Directors authorized the repurchase of shares of the Company's common stock having an aggregate value of up to $250 million, which included approximately $134.3 million available for repurchase under the November 2012 authorization. Subsequently, during 2014 we repurchased 172,549 shares with a weighted average purchase price of $8.88 per share for an aggregate of approximately $1.5 million and for the year ended December 31, 2015, the Company repurchased 10,559,493 shares with a weighted average purchase price of $8.28 per share for an aggregate of approximately $87.7 million. For the six months ended June 30, 2016, we repurchased 673,166 shares of the Company's common stock at a weighted-average purchase price of $7.85 per share, for an aggregate of approximately $5.3 million. For the six months ended June 30, 2015, we repurchased 5,436,157 shares of the Company's common stock at a weighted-average purchase price of $8.93, for an aggregate of approximately $48.7 million. Accordingly, the Company was authorized to repurchase shares of its common stock of approximately $155.5 million and $199.8 million as of June 30, 2016 and June 30, 2015, respectively.

Restricted Stock Awards

For the six months ended June 30, 2016 and 2015, the Company granted 357,349 and 459,920 shares of restricted stock, respectively, to certain of its directors, officers and employees.

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10. EARNINGS PER SHARE

Components of the computation of basic and diluted earnings per share ("EPS") are as follows (in thousands except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Net income (loss)	$	56,210		$	(97,037	)	$	117,541		$	(42,440	)
Less preferred stock dividends	(5,203		)	(5,203		)	(10,406		)	(10,406		)
Net income (loss) available to common stockholders	51,007			(102,240		)	107,135			(52,846		)
Less dividends paid:
Common shares	(37,587		)	(43,617		)	(76,713		)	(90,727		)
Unvested shares	(262		)	(301		)	(534		)	(625		)
Undistributed earnings (loss)	13,158			(146,158		)	29,888			(144,198		)
Basic weighted-average shares outstanding:
Common shares	150,405			156,257			150,591			157,915
Basic earnings (loss) per common share:
Distributed earnings	$	0.25		$	0.28		$	0.51		$	0.57
Undistributed earnings (loss)	0.09			(0.94		)	0.20			(0.91		)
Basic earnings (loss) per common share	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)
Diluted weighted-average shares outstanding:
Common shares	150,405			156,257			150,591			157,915
Net effect of dilutive stock options (1)	—			—			—			—
	150,405			156,257			150,591			157,915
Diluted earnings (loss) per common share:
Distributed earnings	$	0.25		$	0.28		$	0.51		$	0.57
Undistributed earnings (loss)	0.09			(0.94		)	0.20			(0.91		)
Diluted earnings (loss) per common share	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)

__________________

(1) For the three and six months endedJune 30, 2016 and 2015, the Company had an aggregate of zero and 131,088 stock options outstanding, respectively, with a weighted-average exercise price of $30.00 that were not included in the calculation of EPS, as they were out-of-the-money.

11. SUBSEQUENT EVENTS

The Company has evaluated subsequent events through July 28, 2016, the date these financial statements were issued, and determined that there have not been any events that have occurred that would require adjustments to or disclosures in the unaudited consolidated financial statements.

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Item 2.     Management’s Discussion and Analysis of Financial Condition and Results of Operations

CYS Investments, Inc. (the "Company", "we", "us", and "our") is a specialty finance company created with the objective of achieving consistent risk-adjusted investment income. Management’s Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") is intended to provide the reader of the Company’s unaudited consolidated financial statements and accompanying notes with a narrative of management's perspective on the business underlying those financial statements and its financial condition and results of operations during the periods presented. The Company’s MD&A is comprised of six sections:

• Forward-Looking Statements,

• Executive Overview,

• Trends and Recent Market Activity,

• Financial Condition,

• Results of Operations, and

• Liquidity and Capital Resources.

The following discussion should be read in conjunction with our unaudited consolidated financial statements and accompanying notes included in Item 1 of this Quarterly Report on SEC Form 10-Q ("Quarterly Report"), as well as our Annual Report on Form 10-K for the fiscal year ended December 31, 2015, filed on February 17, 2016 (the "2015 Annual Report").

Forward Looking Statements

When used in this Quarterly Report, in future filings with the SEC or in press releases or other written or oral communications, statements which are not historical in nature, including those containing words such as "believe," "expect," "may," "will," "anticipate," "estimate," "plan," "continue," "intend," "should,” or the negative of these words and similar expressions, are intended to identify "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and, as such, may involve known and unknown risks, uncertainties and assumptions.  The forward-looking statements we make in this Quarterly Report include, but are not limited to, statements about the following:

• the effect of movements in interest rates on our assets and liabilities (including our hedging instruments) and our net income;

• our investment, financing and hedging strategies;

• the effect of U.S. government and foreign central bank actions on interest rates and the housing and credit markets;

• the effect of actual or proposed actions of the U.S. Federal Reserve Bank (the "Fed"), the Fed Open Market Committee ("FOMC"), the Federal Housing Finance Agency ("FHFA"), and the Federal Home Loan Bank system ("FHLB") or the FHLB of Cincinnati ("FHLBC");

• the supply of Agency residential mortgage backed securities ("RMBS") and U.S. Treasuries (collectively, "Debt Securities");

• the effect of increased prepayment rates on the value of our assets;

• expected trends in housing and rents/occupancy in assessing supply, demand and fair value in the housing markets;

• our ability to convert our assets into cash or extend the financing terms related to our assets;

• the effect of widening credit spreads or shifts in the yield curve on the value of our assets and investment strategy;

• the types of indebtedness we may incur;

• our ability to achieve anticipated benefits of interest rate swaps and caps;

• our ability to quantify risks based on historical experience;

• our ability to be taxed as a real estate investment trust ("REIT") and to maintain an exemption from registration under the Investment Company Act of 1940, as amended (the "Investment Company Act");

• our assessment of counterparty risk and/or the rise of counterparty defaults;

• our ability to meet short- and long-term liquidity requirements with our cash flow from operations and borrowings;

• the effect of rising interest rates on unemployment, inflation and mortgage supply and demand;

• our liquidity;

• our asset valuation policies; and

• our dividend distribution policy.

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Forward-looking statements are based on our beliefs, assumptions and expectations of our future performance, taking

into account all information currently available to us. These beliefs, assumptions and expectations are subject to risks and

uncertainties and can change as a result of many possible events or factors, not all of which are known to us. If a change

occurs, our business, financial condition, liquidity and results of operations may vary materially from those expressed in our

forward-looking statements. The following factors could cause actual results to vary from our forward-looking statements:

• the factors referenced in this Quarterly Report;

• changes in our investment, financing and hedging strategies;

• the adequacy of our cash flow from operations and borrowings to meet our short- and long-term liquidity requirements;

• the liquidity of our portfolio;

• unanticipated changes in our industry, interest rates, the credit markets, the general economy or the real estate market;

• changes in interest rates and the market value of our Agency RMBS;

• changes in the prepayment rates on the mortgage loans underlying our Agency RMBS;

• changes in the value of our assets pledged as collateral;

• our ability to borrow to finance our assets;

• actions by the U.S. government, the Fed, the FOMC, the FHFA or the FHLB or the FHLBC that impact the value of our Agency RMBS or interest rates, or our access to borrowings at cost-effective rates;

• changes in government regulations affecting our business;

• changes in the U.S. government's credit rating or ability to pay its debts;

• the impact of an inability to reach an agreement on the national debt ceiling;

• our ability to maintain our qualification as a REIT for federal income tax purposes;

• our ability to maintain our exemption from registration under the Investment Company Act and the availability of such exemption in the future; and

• risks associated with investing in real estate assets, including changes in business conditions and the general economy.

These and other risks, uncertainties and factors, including those described elsewhere in this Quarterly Report, and in the Company's 2015 Annual Report, which has been filed with the Securities and Exchange Commission, could cause our actual results to differ materially from those projected in any forward-looking statements we make. All forward-looking statements speak only as of the date on which they are made. New risks and uncertainties arise over time and it is not possible to predict those events or how they may affect us. Except as required by law, we are not obligated to, and do not intend to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Executive Overview

We seek to achieve our objective of earning consistent risk-adjusted investment income by investing on a leveraged basis primarily in Agency RMBS. These investments consist of residential mortgage pass-through securities for which the principal and interest payments are guaranteed by a government-sponsored enterprise, such as the Federal National Mortgage Association ("Fannie Mae") and the Federal Home Loan Mortgage Corporation ("Freddie Mac"), or by a U.S. government agency, such as the Government National Mortgage Association ("Ginnie Mae") (collectively referred to as "GSEs"). We also may invest in debt securities issued by the United States Department of Treasury ("U.S. Treasuries") and, in addition, our investment guidelines permit investments in collateralized mortgage obligations issued by a government agency or GSE that are collateralized by Agency RMBS ("CMOs"), or securities issued by a GSE that are not backed by collateral but, in the case of government agencies, are backed by the full faith and credit of the U.S. government, and, in the case of GSEs, are backed by the integrity and creditworthiness of the issuer ("U.S. Agency Debentures").

We commenced operations in February 2006, and completed our initial public offering in June 2009. Our common stock, our 7.75% Series A Cumulative Redeemable Preferred Stock, $25.00 liquidation preference (the "Series A Preferred Stock"), and our 7.50% Series B Cumulative Redeemable Preferred Stock, $25.00 liquidation preference (the "Series B Preferred Stock"), trade on the New York Stock Exchange under the symbols "CYS," "CYS PrA" and "CYS PrB," respectively.

We earn income from our investment portfolio which, as of June 30, 2016, was comprised principally of Debt Securities. We currently fund our investments primarily through borrowings under repurchase agreements ("repo borrowings"), and loans from the FHLBC. We use leverage to seek to enhance our returns. Our economic net interest income, a non-GAAP measure described in "Results of Operations" below, is generated primarily from the net spread, or difference, between the interest income we earn on our investment portfolio and the cost of our borrowings and hedging activities. The amount of economic net interest income we earn on our investments depends in part on our ability to control our financing costs, which

23

comprise a significant portion of our operating expenses. Although we leverage our portfolio investments in Debt Securities to seek to enhance our potential returns, leverage also may exacerbate losses.

While we use hedging to attempt to manage some of our interest rate risk, we do not hedge all of our exposure to changes in interest rates. Our investments vary in interest rate and maturity compared with the rates and duration of the hedges we employ. As a result, it is not possible to insulate our portfolio from all potential negative consequences associated with changes in interest rates in a manner that will allow us to achieve attractive spreads on our portfolio. Consequently, changes in interest rates, particularly short-term interest rates, may significantly affect our net income.

In addition to investing in issued pools of Agency RMBS, we regularly utilize forward settling transactions to purchase and sell certain securities, including forward settling purchases and sales of Agency RMBS where the pool is "to-be-announced" ("TBA"). Pursuant to a TBA, we agree to purchase or sell for future delivery, Agency RMBS with certain principal and interest terms and certain types of underlying collateral, but the particular Agency RMBS to be delivered is not specifically identified until shortly before the TBA settlement date. For TBA securities that meet the regular-way securities scope exception from derivative accounting under ASC 815 - Derivatives and Hedging, the Company records TBAs on the trade date utilizing information associated with the specified terms of the transaction. TBAs are carried at fair value and begin earning interest on the settlement date. At times, the Company may enter into TBA contracts without having the contractual obligation to accept or make delivery ("TBA Derivatives"), as a means of investing in and financing Agency RMBS via "dollar roll" transactions. TBA dollar roll transactions are accounted for as a series of derivative transactions. For other forward settling transactions, we agree to purchase or sell, for future delivery, Agency RMBS. However, unlike TBA Derivatives, these forward settling transactions reference an identified Agency RMBS.

In March 2015, our captive insurance subsidiary, CYS Insurance Services, LLC ("CYS Insurance"), was granted membership in the FHLBC and commenced obtaining FHLBC Advances from the FHLBC in the form of secured borrowings. Membership in the FHLBC permitted CYS Insurance to access a variety of products and services offered by the FHLBC, and obligated CYS Insurance to purchase FHLBC membership and activity stock, the latter being a percentage of the advances it obtains from the FHLBC. On January 12, 2016, the Federal Housing Finance Agency ("FHFA") issued a final rule (the "Final Rule") amending its regulations governing FHLB Membership criteria for captive insurance companies. The Final Rule defines "insurance company" to exclude "captive insurers". Under this Final Rule, which became effective on February 19, 2016, CYS Insurance's membership in the FHLBC must be terminated within one year of the effective date and it will not be permitted to secure any new advances. In response to this action, the Company has reduced outstanding FHLB Advances to $575.0 million as of June 30, 2016, and all outstanding advances are required to be repaid on or before February 19, 2017. As with our repo borrowings, if the value of any assets pledged to FHLBC as collateral for advances decreases, the FHLBC could require posting of additional collateral.

We have elected to be treated as a REIT for U.S. federal income tax purposes, and have complied with, and intend to continue to comply with, the provisions of the Internal Revenue Code of 1986, as amended (the "Internal Revenue Code"), with respect thereto. Accordingly, we generally do not expect to be subject to federal income tax on our REIT taxable income that we currently distribute to our stockholders if certain asset, income and ownership tests and recordkeeping requirements are fulfilled. Even if we maintain our qualification as a REIT, we may be subject to federal, state and local taxes on our income.

Trends and Recent Market Activity

Overview

In the second quarter of 2016 (the "Second Quarter"), longer-term interest rates moved lower, continuing the trends of the latter part of the first quarter of 2016 (the "First Quarter"). Short-term borrowing rates moved somewhat higher as the markets anticipated further Federal Reserve (the "Fed") rate hikes in 2016, though expectations are for the pace of these hikes to be very slow. However, despite the Fed's desire to normalize short-term interest rates, the emerging economic data continues to be below the Fed's expectations and the bond market continues to push out its expectations for rate hikes in 2016. Much of the concerns about slow growth stem from sluggish economic conditions in Europe and China. In a speech to the Economics Club of New York in April 2016 Janet Yellen, the Chair of the Fed, reiterated weak global conditions as a reason to adjust U.S. domestic monetary policy. Chair Yellen also highlighted the downside risks if the U.K. were to vote (the "British Referendum") to exit the European Union, though the surveys and polls at the time suggested even odds or a greater likelihood of a "remain" vote. Domestically, payroll growth appeared to have decelerated and inflation continued to run below the Fed's two percent target. As prospects for global economic growth continued to diminish, the bond market further pushed out its expectations for additional Fed rate hikes. Indeed, some market participants expected four rate hikes in 2016, but by the end of June 2016, general market expectations suggested no hikes in 2016. Additionally, lower oil prices, a strong U.S. dollar, and slower growth in China and other global economies present a growing risk of renewed deflationary pressures. Growth in the U.S. economy had already slowed to 0.9% in the First Quarter, and some economists now see Second Quarter growth at around 2.4%, but unlikely to accelerate in the second half of 2016. Thus, the U.S. economy, though apparently showing sustainable growth, is far from showing signs of accelerating above a 2% annual growth rate. Payrolls continued to rise in the First and Second Quarters,

24

though payroll gains have averaged below 150,000 jobs per month and wages continue to be stagnant. While the unemployment rate rose to 4.9% in June 2016 and the U-6 underemployment rate fell slightly to 9.6% as of June 30, 2016, inflation remains below the Fed’s 2% target. Although the FOMC continues to focus on its dual mandate of maximum employment and an inflation objective of 2%, it has expressed heightened awareness of the U.S. economy’s sensitivity to global economic conditions. During its June 2016 meeting, the FOMC voted to keep the federal funds rate at 0.25%, and as they did in March of 2016, specifically cited global economic and financial developments as influencing their decision and outlook on inflation. Current FOMC guidance provides that the pace of rate increases is likely to be slower with only two rate hikes in 2016, not the four anticipated in December 2015 and a terminal Fed Funds target rate of 3.25% by the end of 2018. The bond market and yield curve, however, suggest that market consensus is for no hikes in 2016, just two hikes in 2017, and a terminal Fed Funds target rate of 1.25% in 2019 and beyond.

Reflecting the diminishing prospects for accelerating growth, in the Second Quarter, the bond market rallied and the 10-year U.S. Treasury yield, which began the year at 2.27%, hit a low for the First Quarter of 1.66% in mid-February, closed at 1.77% on March 31, 2016, and rallied further in the Second Quarter to 1.47% on June 30, 2016 following the unexpected outcome of the British Referendum to exit the European Union. This continued to drive Agency RMBS prices higher. Fannie Mae 30-year 3.5% RMBS prices rose by 0.60% and Fannie Mae 15-year 3.0% RMBS prices rose by 0.33% during the Second Quarter. Interest rates on swaps decreased during the Second Quarter and spreads widened slightly, resulting in a decrease in the value of our hedge book. Overall, the performance of Agency RMBS prices more than offset the decrease in the value of our hedges, and our book value increased. At the beginning of the First Quarter, our net duration gap was 0.74 years, declined to 0.30 years at March 31, 2016, and was virtually unchanged at 0.35 years on June 30, 2016.

While prepayments picked up slightly in the Second Quarter, the wave of refinancing activity was short-lived and CYS's portfolio prepaid at 12.9% in the Second Quarter. Mortgage rates have continued to lag the drop in U.S. Treasury yields but we should anticipate a new round of prepayment activity. We expect homeowners to respond to the lower rates and expect prepayments on our portfolio assets to increase in the coming months, which would impact our portfolio yield. With the current Fed position of keeping interest rates lower for longer, we anticipate less volatility in the prices of Agency RMBS securities. As of June 30, 2016, we had substantial available liquidity of $1.15 billion, or 66.6% of our equity, and leverage, on a debt to equity basis including TBA's as derivatives, increased slightly to 6.91:1 from the March 31, 2016 level of 6.76:1.

Government Activity

The FHFA and both houses of Congress have each discussed and considered separate measures intended to restructure the U.S. housing finance system and the operations of Fannie Mae and Freddie Mac. We anticipate debate and discussion on residential housing and mortgage reform to continue throughout 2016 and well into 2017; however, we cannot be certain if any housing and/or mortgage-related legislation will emerge from committee, or be approved by Congress, and if so what the effect will be on our business. We also believe that it is unlikely that any reforms, legislation, or other significant movement on such legislation will occur during the current presidential administration.

Recent CYS Activity in Response to These Trends

In response to the conditions in and changes to the environment described above, the Company continues to monitor, reposition, and actively manage our investment portfolio, the structure of our borrowings and our hedge positions. During the First Quarter, in response to the FHFA Final Rule we replaced $1,450 million of FHLBC Advances with repo borrowings and leverage remained stable. Our duration gap increased marginally to 0.35 at June 30, 2016 from 0.30 at March 31, 2016. During the Second Quarter, our book value per common share increased to $9.55 from $9.46 at the end of the First Quarter, after taking into account our $0.25 dividend per share in the Second Quarter. The increase in our book value during the Second Quarter was driven by an increase in RMBS prices, offset in part by a decrease in the value of our hedges. As markets reset to lower rates during the Second Quarter, we reduced our 30-Year 4.0% and 15-Year 3.0% holdings and purchased U.S. Treasuries and 15-Year 2.5% securities in anticipation of an increase in prepayments.

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Financial Condition

The Agency RMBS in our portfolio were purchased at a net premium to their face value generally due to the average interest rates on these investments being higher than the prevailing market rates at the time of purchase. As of June 30, 2016 and December 31, 2015 we had approximately $442.2 million and $462.6 million, respectively, of unamortized premium included in the cost basis of our investments. TBA Agency RMBS, including those accounted for as derivatives, are included in the table below on a gross basis. Our Debt Securities portfolio including TBA Derivatives, consisted of the following assets:

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									Weighted-Average
Coupon	Face Value (in 000's)			Fair Value (in 000's)			Amortized Cost Basis per Face Value (in 000's)		Loan Balance (in 000's)(1)		Loan Age (in months)(1)	3 Month CPR(1)(2)		Duration(3)
June 30, 2016
15 Year Agency Mortgage Securities
2.5%	$	504,438		$	522,382		$	102.61	$	333	1	n/a		2.79
TBA 2.5%	1,115,000			1,153,567			102.69		n/a		n/a	n/a		2.62
3.0%	2,994,084			3,144,067			102.77		264		24	10.1		2.54
TBA 3.0% *	41,000			43,010			104.69		n/a		n/a	n/a		2.07
3.5%	919,865			976,856			103.07		217		46	12.2		2.40
4.0%	122,956			131,028			101.08		168		64	16.8		2.38
4.5%	17,465			18,643			102.37		245		77	12.8		1.94
Subtotal	5,714,808			5,989,553			102.77		259		28	10.8		2.55
20 Year Agency Mortgage Securities
4.5%	45,186			49,494			102.75		216		71	17.1		2.18
30 Year Agency Mortgage Securities
3.5%	4,270,200			4,510,362			104.32		334		7	7.3		2.68
TBA 3.5% *	(250,000		)	(263,914		)	104.02		n/a		n/a	n/a		2.47
4.0%	1,789,109			1,929,230			105.00		257		22	15.7		2.51
4.5%	130,138			142,667			106.71		284		62	17.7		2.37
Subtotal	5,939,447			6,318,345			104.59		311		12	10.6		2.63
Agency Hybrid ARMs
TBA 2.7% *	25,000			26,011			102.69		n/a		n/a	n/a		1.85
2.9%(4)	310,330			323,803			102.79		314		35	21.7		1.61
Subtotal	335,330			349,814			102.79		314		35	21.7		1.63
U.S. Treasuries
0.9%	880,000			884,213			100.12		n/a		n/a	n/a		2.84
Total	$	12,914,771		$	13,591,419		$	103.42	$	289	20	11.1	%	2.58
December 31, 2015
15-Year Agency Mortgage Securities
3.0%	$	4,840,936		$	4,994,705		$	103.16	$	283	16	7.2	%	3.46
TBA 3.0%	222,600			229,310			103.33		n/a		n/a	n/a		3.66
3.5%	1,014,790			1,064,726			103.15		220		41	9.8		3.05
4.0%	140,196			148,692			101.13		169		58	14.8		2.84
4.5%	20,152			21,432			102.51		243		71	14.7		2.45
Subtotal	6,238,674			6,458,865			103.12		270		22	7.9		3.38
20-Year Agency Mortgage Securities
4.5%	51,664			56,102			102.79		215		65	16.4		2.95
30-Year Agency Mortgage Securities
3.5%	2,741,525			2,830,295			103.70		328		7	3.3		4.88
TBA 3.5%	250,000			256,739			102.39		n/a		n/a	n/a		5.15
4.0%	2,321,917			2,461,698			105.20		277		16	9.6		4.01
TBA 4.0%	323,000			341,611			105.80		n/a		n/a	n/a		3.70
4.5%	143,081			154,869			106.78		283		56	16.3		3.65
Subtotal	5,779,523			6,045,212			104.44		304		12	6.2		4.44
Agency Hybrid ARMs
3.0%(4)	356,991			367,817			102.80		315		33	17.7		2.48
U.S. Treasuries
0.9%	100,000			99,711			99.85		n/a		n/a	n/a		1.89
Total	$	12,526,852		$	13,027,707		$	103.69	$	286	18	7.6	%	3.83

27

__________________

(1) TBAs are excluded from this calculation as they do not have a defined weighted-average loan balance or age until mortgages have been assigned to the pool.

(2) The CPR ("Constant Prepayment Rate") represents the 3-month CPR of the Company’s Agency RMBS held at June 30, 2016 and December 31, 2015. The CPR experienced by the Company during the period may differ. Securities with no prepayment history are excluded from this calculation.

(3) Duration essentially measures the market price volatility of financial instruments as interest rates change, using DV01 methodology. We generally calculate duration using various third-party financial models and empirical data. Different models and methodologies can produce different results for the same securities. Source: The Yield Book^®.

(4) Coupon represents the weighted-average coupon of Agency Hybrid ARMs.

*    Includes TBA Derivatives with a fair value of $827.3 million at June 30, 2016.

In July 2016, the weighted average experienced CPR of the Company's Debt Securities was 12.6%.

Hedging Instruments

The Company utilizes interest rate swap and cap contracts (a "swap" or "cap", respectively) to hedge the interest rate risk associated with the financing of our Debt Securities portfolio. As of June 30, 2016, the Company held swaps with an aggregate notional of approximately $6.95 billion, a weighted-average fixed rate of 1.19%, and a weighted-average expiration of 3.4 years. The receive rate on the Company's swaps is 3-month LIBOR. At June 30, 2016, the Company had entered into caps with a notional of $2.50 billion, a weighted-average cap rate of 1.28%, and a weighted-average expiration of 3.5 years. Below is a summary of our interest rate swaps and caps as of June 30, 2016 and December 31, 2015:

				Weighted-Average
June 30, 2016	Number of Contracts	Notional (000's)		Rate		Maturity	Duration		Fair Value (000's)
Interest Rate Swaps	18	$	6,950,000	1.19	%	November 2019	(3.15	)	$	(91,607	)
Interest Rate Caps	5	2,500,000		1.28	%	January 2020	(1.35	)	16,021
	23	$	9,450,000	1.22	%	November 2019	(2.67	)	$	(75,586	)
December 31, 2015
Interest Rate Swaps	21	$	7,950,000	1.29	%	May 2019	(3.08	)	$	25,411
Interest Rate Caps	5	2,500,000		1.28	%	January 2020	(2.39	)	61,343
	26	$	10,450,000	1.29	%	July 2019	(2.91	)	$	86,754

The Company seeks to manage its exposure to interest rate risk by expanding and/or lengthening its hedging, and reducing its pay rate, if possible, when doing so. During the six months ended June 30, 2016 we terminated swaps with a combined notional of $2.70 billion with a weighted-average pay rate of 1.50%. The terminations resulted in a net realized loss of $(45.4) million for the six months ended June 30, 2016. After the repositioning, our weighted-average fixed pay rate on swaps decreased to 1.19% at June 30, 2016 compared to 1.29% at December 31, 2015.

Our interest rate swap and cap notional was $9.45 billion at June 30, 2016 compared to $10.45 billion at December 31, 2015, and as a percentage of our of the repo borrowings and FHLBC Advances (collectively "Total Outstanding Borrowings") decreased to 90.7% at June 30, 2016 from 94.3% at December 31, 2015.

The Company does not consider TBA Derivatives to be hedging instruments.

Liabilities

We finance a majority of our assets through repo borrowings and FHLBC Advances. Repo borrowings and FHLBC Advances are secured by our assets and generally bear interest rates that have historically moved in close relationship to LIBOR. At June 30, 2016 and December 31, 2015, we had liabilities pursuant to repo borrowings and FHLBC Advances with 35 counterparties which are summarized below:

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June 30, 2016				Weighted-Average (1)
Original Days to Maturity by Collateral Type	Repo Borrowings and FHLBC Advances Outstanding (000's)		Percentage of Total	Interest Rate	Remaining Days to Maturity	Original Days to Maturity
Agency RMBS
≤ 30 Days	$	1,709,546	17%	0.66%	18	30
> 30 to ≤ 60 Days	3,042,650		29%	0.67%	23	38
> 60 Days	4,823,186		46%	0.80%	98	167
Subtotal	$	9,575,382	92%	0.73%	60	101
U.S. Treasuries
≤ 30 Days	$	849,119	8%	0.06%	15	30
Total	$	10,424,501	100%	0.68%	56	96

(1) Weighted-average maturity date is calculated with assumption of FHLBC Advances being repaid in full on or before February 19, 2017, as a direct result of the Final Rule.

December 31, 2015				Weighted-Average
Original Days to Maturity by Collateral Type	Repo Borrowings and FHLBC Advances Outstanding (000's)		Percentage of Total	Interest Rate	Remaining Days to Maturity	Original Days to Maturity
Agency RMBS
≤ 30 Days	$	751,592	7%	0.49%	7	30
> 30 to ≤ 60 Days	2,507,201		24%	0.48%	9	43
> 60 Days	7,055,732		66%	0.54%	37	88
Total	$	10,314,525	97%	0.52%	28	73
U.S. Treasuries
> 30 to ≤ 60 Days	$	348,251	3%	(0.13)%	2	13
Total	$	10,662,776	100%	0.50%	27	71
				Weighted-Average
Original Days to Maturity	FHLBC Advances Outstanding (000's)		Percentage of Total	Interest Rate	Next Call Date	Maturity Date
Agency RMBS
> 360 Days	$	425,000	100%	1.48%	May 2016	July 2018

In addition, as of June 30, 2016, we had an aggregate payable for securities purchased, a portion of which will be or, in the case of December 31, 2015, was financed through repo borrowings and FHLBC Advances, as summarized below (in thousands).

June 30, 2016
Settle Date	Face Value		Payable
July 2016	$	527,014	$	547,186
August 2016	100,000		105,433
Total	$	627,014	$	652,619

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December 31, 2015
Settle Date	Face Value		Payable
January 2016	$	963,097	$	1,008,133
February 2016	200,000		211,550
March 2016	250,000		256,291
	$	1,413,097	$	1,475,974

30

Summary Financial Data

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands, except per share data)	2016			2015			2016			2015
Income Statement Data:
Interest income	74,857			80,532			156,308			161,382
Interest expense	18,687			10,262			36,632			19,904
Net interest income	56,170			70,270			119,676			141,478
Other income (loss):
Net realized and unrealized gain (loss) on investments, FHLBC Advances and other income	65,213			(167,357		)	228,313			(73,375		)
Net gain (loss) on derivative instruments	(59,314		)	6,055			(218,236		)	(98,781		)
Total other income (loss)	5,899			(161,302		)	10,077			(172,156		)
Expenses:
Compensation and benefits	3,565			3,712			7,430			7,266
General, administrative and other	2,294			2,293			4,782			4,496
Total expenses	5,859			6,005			12,212			11,762
Net income (loss)	$	56,210		$	(97,037	)	$	117,541		$	(42,440	)
Dividend on preferred stock	(5,203		)	(5,203		)	(10,406		)	(10,406		)
Net income (loss) available to common stockholders	$	51,007		$	(102,240	)	$	107,135		$	(52,846	)
Net income (loss) per common share basic & diluted	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)
Dividends per common share	$	0.25		$	0.28		$	0.51		$	0.58
Key Balance Sheet Metrics
Average settled Debt Securities (1)	$	11,887,351		$	13,219,744		$	11,913,005		$	13,014,108
Average total Debt Securities (2)	$	13,230,800		$	14,711,932		$	13,097,446		$	14,753,522
Average repurchase agreements and FHLBC Advances (3)	$	10,412,784		$	11,610,144		$	10,473,530		$	11,363,312
Average Debt Securities liabilities (4)	$	11,756,233		$	13,102,332		$	11,657,971		$	13,102,726
Average stockholders' equity (5)	$	1,725,879		$	1,893,445		$	1,722,046		$	1,936,977
Average common shares outstanding (6)	151,452			157,334			151,620			158,929
Leverage ratio (at period end) (7)	6.91:1			7.06:1			6.91:1			7.06:1
Book value per common share (at period end) (8)	$	9.55		$	9.62		$	9.55		$	9.62
Weighted average amortized cost of Agency RMBS and U.S. Treasuries (9)	$	103.42		$	103.98		$	103.42		$	103.98
Key Performance Metrics*
Average yield on settled Debt Securities (10)	2.52		%	2.44		%	2.62		%	2.48		%
Average yield on total Debt Securities including Drop Income (11)	2.50		%	2.42		%	2.61		%	2.50		%
Average cost of funds (12)	0.72		%	0.35		%	0.70		%	0.35		%
Average cost of funds and hedge (13)	1.29		%	1.21		%	1.33		%	1.27		%
Adjusted average cost of funds and hedge (14)	1.14		%	1.08		%	1.20		%	1.10		%
Interest rate spread net of hedge (15)	1.23		%	1.23		%	1.29		%	1.21		%
Interest rate spread net of hedge including Drop Income (16)	1.36		%	1.34		%	1.41		%	1.40		%
Operating expense ratio (17)	1.36		%	1.27		%	1.42		%	1.21		%
Total stockholder return on common equity (18)	3.59		%	(5.98		)%	7.48		%	(2.86		)%
Constant prepayment rate (weighted average experienced 1-month) (19)	12.9		%	13.0		%	10.2		%	11.7		%

31

___________

(1) The average settled Debt Securities is calculated by averaging the month end cost basis of settled Debt Securities during the period.

(2) The average total Debt Securities is calculated by averaging the month end cost basis of total Debt Securities and all TBA contracts during the period.

(3) The average repurchase agreements and FHLBC Advances are calculated by averaging the month end repurchase agreements and FHLBC Advances balances during the period.    

(4) The average Debt Securities liabilities are calculated by adding the average month end repurchase agreements and FHLBC Advances balances plus average unsettled Debt Securities (inclusive of TBA Derivatives) during the period.            

(5) The average stockholders' equity is calculated by averaging the month end stockholders' equity during the period.            

(6) The average common shares outstanding are calculated by averaging the daily common shares outstanding during the period.

(7) The leverage ratio is calculated by dividing (i) the Company's repurchase agreements and FHLBC Advances balance plus payable for securities purchased minus receivable for securities sold plus gross TBA Derivatives positions by (ii) stockholders' equity.

(8) Book value per common share is calculated by dividing total stockholders' equity less the liquidation value of preferred stock at period end divided by common shares outstanding at period end.

(9) The weighted average amortized cost of Agency RMBS and U.S. Treasuries is calculated using the weighted average amortized cost by security divided by the current face at period end.

(10) The average yield on settled Debt Securities for the period is calculated by dividing total interest income by average settled Debt Securities.

(11) The average yield on total Debt Securities including Drop Income for the period is calculated by dividing total interest income plus Drop Income by average total Debt Securities. Drop Income was $8.0 million and $8.6 million for the three months ended June 30, 2016 and 2015, respectively. Drop Income was $14.3 million and $22.7 million for the six months ended June 30, 2016 and 2015, respectively. Drop Income is a component of our net realized and unrealized gain (loss) on investments and net realized and unrealized gain (loss) on derivative instruments in the accompanying unaudited consolidated statements of operations. Drop Income is the difference between the spot price and the forward settlement price for the same security on trade date. This difference is also the economic equivalent of the assumed net interest margin (yield minus financing costs) of the bond from trade date to settlement date. We derive Drop Income through utilization of forward settling transactions.

(12) The average cost of funds for the period is calculated by dividing repurchase agreement and FHLBC Advances interest expense by average repurchase agreements and FHLBC Advances for the period.

(13) The average cost of funds and hedge for the period is calculated by dividing repurchase agreement, FHLBC Advances and swap and cap interest expense by average repurchase agreements and FHLBC Advances.

(14) The adjusted average cost of funds and hedge for the period is calculated by dividing repurchase agreement, FHLBC Advances and swap and cap interest expense by average Debt Securities liabilities.            

(15) The interest rate spread net of hedge for the period is calculated by subtracting average cost of funds and hedge from average yield on settled Debt Securities.

(16) The interest rate spread net of hedge including Drop Income for the period is calculated by subtracting adjusted average cost of funds and hedge from average yield on total Debt Securities including Drop Income.            

(17) The operating expense ratio for the period is calculated by dividing operating expenses by average stockholders' equity.

(18) The total stockholder return on common equity is calculated as the change in book value plus dividend distributions on common stock divided by book value per common share at the end of the prior period.

(19) The constant prepayment rate ("CPR") represents the weighted average 1-month CPR of the Company's Agency RMBS during the period.        

* All percentages are annualized except total stockholder return on common equity.

Core Earnings

"Core Earnings" represents a non-U.S. GAAP financial measure and is defined as net income (loss) available to common stockholders excluding net realized and unrealized gain (loss) on investments, net realized and unrealized gain (loss) on derivative instruments and net unrealized gain (loss) on FHLBC Advances. Management uses Core Earnings to evaluate the effective yield of the portfolio after operating expenses. In addition, management utilizes Core Earnings as a key metric in conjunction with other portfolio and market factors to determine the appropriate leverage and hedging ratios, as well as the overall structure of the portfolio. The Company believes that providing users of the Company's financial information with such measures, in addition to the related GAAP measures, gives investors greater transparency and insight into the information used by the Company's management in its financial and operational decision-making.

The primary limitation associated with Core Earnings as a measure of our financial performance over any period is that it excludes the effects of net realized and unrealized gain (loss) on investments and derivative instruments, and net unrealized gain (loss) on FHLBC Advances. In addition, our presentation of Core Earnings may not be comparable to similarly-titled measures used by other companies, which may employ different calculations. As a result, Core Earnings should not be considered a substitute for our U.S. GAAP net income (loss) as a measure of our financial performance or any measure of our liquidity under U.S. GAAP.

32

(In thousands)	Three Months Ended June 30,						Six Months Ended June 30,
Non-U.S. GAAP Reconciliation:	2016			2015			2016			2015
Net income (loss) available to common stockholders	$	51,007		$	(102,240	)	$	107,135		$	(52,846	)
Net realized (gain) loss on investments	(36,359		)	(9,435		)	(37,561		)	(27,688		)
Net unrealized (gain) loss on investments	(28,915		)	176,899			(191,201		)	101,210
Net realized and unrealized (gain) loss on derivative instruments	44,535			(31,047		)	185,059			46,321
Net unrealized (gain) loss on FHLBC Advances	448			11			1,299			11
Core Earnings	$	30,716		$	34,188		$	64,731		$	67,008

Results of Operations

Commencing with the report on Form 10-K for the year ended December 31, 2015, "Swap and cap interest expense", which was recognized as a separate component of "Total interest expense" in the consolidated statement of operations through September 30, 2015, is now recognized as a component of "Net gain (loss) on derivative instruments". This reclassification was made in order to record income, expenses and changes in fair value related to derivative instruments in one line item in the consolidated statements of operations, consistent with common industry practice. Prior period balances have been reclassified to conform to the current period presentation.

The following table provides GAAP measures of interest expense and net interest income and details with respect to reconciling these line items on a non-GAAP basis for each respective period.

	Three Months Ended June 30,
	2016		2015		$ Change			% Change
Net interest income	$	56,170	$	70,270	$	(14,100	)	(20.1	)%
Swap and cap interest expense	14,779		24,992		(10,213		)	(40.9	)%
Economic net interest income	$	41,391	$	45,278	$	(3,887	)	(8.6	)%
Total interest expense	$	18,687	$	10,262	$	8,425		82.1	%
Swap and cap interest expense	14,779		24,992		(10,213		)	(40.9	)%
Economic interest expense	$	33,466	$	35,254	$	(1,788	)	(5.1	)%

	Six Months Ended June 30,
	2016		2015		$ Change			% Change
Net interest income	$	119,676	$	141,478	$	(21,802	)	(15.4	)%
Swap and cap interest expense	33,177		52,460		(19,283		)	(36.8	)%
Economic net interest income	$	86,499	$	89,018	$	(2,519	)	(2.8	)%
Total interest expense	$	36,632	$	19,904	$	16,728		84.0	%
Swap and cap interest expense	33,177		52,460		(19,283		)	(36.8	)%
Economic interest expense	$	69,809	$	72,364	$	(2,555	)	(3.5	)%

Three Months Ended June 30, 2016 Compared to the Three Months Ended June 30, 2015

Net Income (Loss)

Net income available to common stockholders increased$153.2 million to $51.0 million for the three months ended June 30, 2016, compared to a net loss of $(102.2) million for the three months endedJune 30, 2015, primarily due to lower swap and cap interest expense and net gains on investments in the Second Quarter compared to the second quarter of 2015. The major components of this increase are detailed below.

Interest Income and Asset Yield

Our principal source of income is interest income that we earn on our investment securities portfolio. Interest income, which consists primarily of interest income on Debt Securities, decreased by $5.6 million to $74.9 million for the three months

33

ended June 30, 2016, as compared to $80.5 million for the three months ended June 30, 2015. Our interest income decreased primarily due to a decrease in average settled Debt Securities despite the average yield on settled Debt Securities increasing to 2.52% at June 30, 2016 from 2.44% at June 30, 2015. The factors driving this decrease are changes both in the size of our portfolio and the related yield, as shown below (in thousands):

Change in Size				Change in Yield				Change in Size & Yield
Change in average settled	$	(1,332,393	)	Change in average yield	0.082		%	Change in average settled	$	(1,332,393	)
2015 average yield	2.437		%	2015 average settled	$	13,219,744		Change in average yield	0.082		%
Change	$	(8,116	)	Change	$	2,715		Change	$	(274	)
								Total change	$	(5,675	)

Our average settled Debt Securities for the three months endedJune 30, 2016 was $11.9 billion, compared to $13.2 billion for the three months endedJune 30, 2015. Our annualized average yield on settled Debt Securities for the three months endedJune 30, 2016 was 2.52%, compared to 2.44% for the three months endedJune 30, 2015. Our yield increase was primarily a function of lower amortization expense in the current quarter than in the comparable period and lower weighted average cost basis which was $103.42 at June 30, 2016 compared to $103.98 at June 30, 2015. Our annualized rate of portfolio prepayment for the three months endedJune 30, 2016 was 12.9%, which was slightly lower than the rate of 13.0% for the three months endedJune 30, 2015. Our amortization expense was $22.6 million for the three months endedJune 30, 2016, a decrease of $5.0 million from $27.6 million for the three months endedJune 30, 2015.

Economic Interest Expense and Cost of Funds

Economic interest expense for the three months ended June 30, 2016, which consists of interest expense from repo borrowings, FHLBC Advances, and interest rate swap and cap contracts, decreased$1.8 million to $33.5 million, as compared to $35.3 million for the three months endedJune 30, 2015. Interest expense from repo borrowings and FHLBC Advances increased by $8.4 million to $18.7 million for the three months ended June 30, 2016, compared to $10.3 million for the three months endedJune 30, 2015 due to higher cost of funds. Our weighted-average cost of funds rose to 0.72% in the Second Quarter from 0.35% in the second quarter of 2015. Our average repo borrowings and FHLBC Advances decreased to $10,412.8 million for the three months endedJune 30, 2016 from $11,610.1 million for the three months endedJune 30, 2015, consistent with the decrease in settled Debt Securities during the quarter ended June 30, 2016 as compared to the quarter ended June 30, 2015. The table below illustrates the result of changes to the amount outstanding and rates on repo borrowings and FHLBC Advances interest expense during the three months ended June 30, 2016 and 2015 (in thousands):

Change in Size				Change in Rate				Change in Size & Yield
Change in average outstanding	$	(1,197,360	)	Change in average rate	0.364		%	Change in average outstanding	$	(1,197,360	)
2015 average rate	0.354		%	2015 average outstanding	$	11,610,144		Change in average rate	0.364		%
Change	$	(1,059	)	Change	$	10,574		Change	$	(1,090	)
								Total change	$	8,425

Swap and cap interest expense decreased by $10.2 million to $14.8 million in the three months endedJune 30, 2016, compared to $25.0 million in the three months endedJune 30, 2015. The decrease in interest rate swap and cap expense was partially the result of a decrease in the average aggregate swap and cap notional by $250.0 million to $9,700.0 million in the three months endedJune 30, 2016 from $9,950.0 million in the three months endedJune 30, 2015, and more significantly attributable to the decrease in the average swap and cap rate to 0.61% in the three months endedJune 30, 2016 from 1.00% in the three months endedJune 30, 2015, as shown in the table below (in thousands):

Change in Size				Change in Rate				Change in Size & Rate
Change in average notional outstanding	$	(250,000	)	Change in average rate	(0.395		)%	Change in average notional outstanding	$	(250,000	)
2015 average rate	1.005		%	2015 average notional outstanding	$	9,950,000		Change in average rate	(0.395		)%
Change	$	(628	)	Change	$	(9,832	)	Change	$	247
								Total change	$	(10,213	)

Our annualized weighted-average cost of funds including hedge was 1.29% for the three months endedJune 30, 2016, as compared to 1.21% for the three months endedJune 30, 2015. The components of our cost of funds including hedge are (i) rates on our repo borrowings and FHLBC Advances, (ii) rates on our interest rate swaps and caps, (iii) the size of our repo borrowings and FHLBC Advances, and (iv) the total notional amount of the interest rate swaps and caps.

34

Economic Net Interest Income

Our economic net interest income for the three months endedJune 30, 2016 was $41.4 million, and our interest rate spread, net of hedge, was 1.23%, compared to economic net interest income of $45.3 million and an interest rate spread, net of hedge, of 1.23% for the three months endedJune 30, 2015. The decrease in our economic net interest income was principally due to a decrease in average settled Debt Securities coupled with higher total interest expense, offset by a decrease in swap and cap interest expense in the three months endedJune 30, 2016 compared to June 30, 2015. While our economic net interest income is influenced significantly by the size of our portfolio and overall interest rate levels, we believe our interest rate spread net of hedge is an important performance indicator.

Other Income (Loss)

For the three months endedJune 30, 2016, our total other income (loss) was $5.9 million compared to a loss of $(161.3) million for the three months endedJune 30, 2015. The major components contributing to the change in total other income (loss) are discussed below.

Gain (Loss) on Investments and Drop Income

During the three months endedJune 30, 2016, our net realized and unrealized gain (loss) on investments changed by $232.8 million to a $65.3 million net gain, compared to a net loss of $(167.5) million for the three months ended June 30, 2015. This change was driven by an increase in the prices of our Agency RMBS for the three months endedJune 30, 2016, as compared to a decrease in the prices of all our Agency RMBS for the three months endedJune 30, 2015. For example, during the three months ended June 30, 2016, the price of a 30-year 4.0% Agency RMBS increased$0.31 to $107.23, and during the three months endedJune 30, 2015, it decreased$1.12 to $105.83. During the three months ended June 30, 2016, the price of a 15-year 3.0% Agency RMBS increased$0.34 to $104.86, and during the three months endedJune 30, 2015, it decreased$1.35 to $103.48.

During the three months endedJune 30, 2016 and 2015, we generated Drop Income of approximately $8.0 million and $8.6 million, respectively. The lower Drop Income during the three months endedJune 30, 2016 was primarily due to lower volumes of forward settling transactions from which we derive Drop Income and a less advantageous market. During the three months endedJune 30, 2016, the average balance in the combined TBA Securities and TBA Derivatives portfolio was $1,290.8 million, a decrease of $177.7 million compared to the average balance of $1,468.5 million for the three months endedJune 30, 2015. Drop Income is a component of our net realized and unrealized gain (loss) on investments and our net realized and unrealized gain (loss) on derivative instruments in the accompanying unaudited consolidated statements of operations and is therefore excluded from Core Earnings. Drop Income is the difference between the spot price and the forward settlement price for the same Agency RMBS on the trade date. This difference is also the economic equivalent of the assumed interest rate spread net of hedge (yield less financing costs) of the Agency RMBS from trade date to settlement date. The Company derives Drop Income through utilization of forward settling transactions of Agency RMBS. The TBA market became slightly less attractive in the Second Quarter and we settled more cash bonds than during the second quarter of 2015.

Net unrealized gain (loss) on FHLBC Advances

We held $350.0 million of FHLBC Advances that had an initial maturity greater than one year and a weighted average maturity of 0.6 years at June 30, 2016. We held $75.0 million of FHLBC Advances with an initial maturity more than one year and a weighted average maturity of 2.90 years at June 30, 2015. For the three months endedJune 30, 2016 the net unrealized loss on FHLBC Advances was $(0.4) million. The unrealized loss was primarily due to pricing remaining long-term FHLBC Advances at par due to an expectation to repay the outstanding balance by August 2016. For the three months endedJune 30, 2015 the net unrealized loss on FHLBC Advances was $(0.01) million. The loss was primarily due to decreasing interest rates in which the fair value of the liability decreased during the second quarter of 2015 as 3-year swap rates increased from 1.21% on May 27, 2015 to 1.25% at June 30, 2015.

Net Gain (Loss) on Derivative Instruments

Net gain (loss) on derivative instruments is comprised of swap and cap interest expense and net realized and unrealized gain (loss) on derivative instruments. Net realized and unrealized gain (loss) on derivative instruments was $(44.5) million (comprised of $(51.0) million net realized and unrealized loss on swap and cap contracts, and $6.5 million net realized and unrealized gain on TBA Derivatives) for the three months ended June 30, 2016, compared to a gain of $31.0 million (comprised of $31.0 million net realized and unrealized gain on swap and cap contracts, and $0.0 million net realized and unrealized gain on TBA Derivatives) for the three months ended June 30, 2015. The change in net realized and unrealized gain (loss) on derivative instruments for the three months ended June 30, 2016 was primarily due to a decrease in interest rates during the Second Quarter, which caused the value of our derivative instruments to decrease. An increase in rates during the second quarter of 2015 caused the value of our derivative instruments to increase. Our swaps and caps are designed principally to protect us in an environment of increasing interest rates. In the Second Quarter we responded to declining interest rates by terminating some of our swaps, on which we realized a loss of $(34.3) million; however, a continued decrease in interest rates

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and significant volatility resulted in unrealized losses on our outstanding swaps and caps. During the three months ended June 30, 2016 and 2015, 5-year swap rates decreased by 19 bps and increased by 26 bps, respectively.

Operating Expenses

Operating expenses were $5.9 million for the three months endedJune 30, 2016, compared to $6.0 million for the three months endedJune 30, 2015.

Six Months Ended June 30, 2016 Compared to the Six Months Ended June 30, 2015

Net Income

Net income available to common stockholders increased$159.9 million to $107.1 million for the six months ended June 30, 2016, compared to a net loss of $(52.8) million for the six months ended June 30, 2015. The increase in net income during the Second Quarter is primarily attributable to a $292.4 million increase in net unrealized gains on investments, a $19.3 million decrease in swap and cap interest expense, and an $9.9 million increase in net realized gains on investments, partially offset by a $138.8 million increase in net realized and unrealized losses on derivatives, a $16.7 million increase in interest expense, and a $5.1 million decrease in interest income. Details follow regarding each of the aforementioned components.

Interest Income and Asset Yield

Interest income decreased by $5.1 million to $156.3 million for the six months ended June 30, 2016, as compared to $161.4 million for the six months ended June 30, 2015. The decrease in our interest income is largely due to a decrease in average settled Debt Securities in the six months ended June 30, 2016, offset by an increase in the yield on our investments, as shown below (in thousands):

Change in Size				Change in Yield				Change in Size & Yield
Change in average settled	$	(1,101,103	)	Change in average yield	0.144		%	Change in average settled	$	(1,101,103	)
2015 average yield	2.480		%	2015 average settled	$	13,014,108		Change in average yield	0.144		%
Change	$	(13,654	)	Change	$	9,373		Change	$	(793	)
								Total change	$	(5,074	)

Our average settled Debt Securities for the six months ended June 30, 2016 was $11.9 billion, compared to $13.0 billion for the six months endedJune 30, 2015. Our annualized yield on average settled Debt Securities for the six months ended June 30, 2016 was 2.62%, as compared to 2.48% for the six months endedJune 30, 2015. The increase in our yield was primarily attributable to less amortization expense for the six months ended June 30, 2016 compared to the six months endedJune 30, 2015. The annualized rate of portfolio prepayment for the six months ended June 30, 2016 and 2015 was 10.2% and 11.7%, respectively. Our amortization expense was $38.5 million for the six months ended June 30, 2016, compared to $49.0 million for the six months endedJune 30, 2015.

Economic Interest Expense and Cost of Funds

Economic interest expense, which primarily consists of interest expense from repo borrowings, FHLBC Advances and interest rate swaps and caps, decreased$2.6 million to $69.8 million for the six months ended June 30, 2016, from $72.4 million for the six months endedJune 30, 2015.

Interest expense from repo borrowings and FHLBC Advances increased by $16.7 million to $36.6 million for the six months ended June 30, 2016, compared to $19.9 million for the six months endedJune 30, 2015 due to higher cost of funds. Our weighted-average cost of funds rose to 0.70% during the six months ended June 30, 2016 from 0.35% for the six months endedJune 30, 2015. Our average repo borrowings and FHLBC Advances decreased to $10,473.5 million for the six months ended June 30, 2016 from $11,363.3 million for the six months endedJune 30, 2015, consistent with the decrease in the settled Debt Securities portfolio at June 30, 2016 as compared to the portfolio at June 30, 2015. The table below illustrates the result of changes to the amount outstanding and rates on repo borrowings and FHLBC Advances interest expense during the six months endedJune 30, 2016 and 2015 (in thousands):

Change in Size				Change in Rate				Change in Size & Yield
Change in average outstanding	$	(889,782	)	Change in average rate	0.349		%	Change in average outstanding	$	(889,782	)
2015 average rate	0.350		%	2015 average outstanding	$	11,363,312		Change in average rate	0.349		%
Change	$	(1,558	)	Change	$	19,840		Change	$	(1,554	)
								Total change	$	16,728

Swap and cap interest expense decreased by $19.3 million, to $33.2 million in the six months ended June 30, 2016, compared to $52.5 million in the six months endedJune 30, 2015. The decrease in the interest rate swap and cap expense was

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attributable in part to the decrease in the average aggregate swap and cap notional by $185.7 million to $9,878.6 million for the six months ended June 30, 2016, from $10,064.3 million for the six months endedJune 30, 2015, and more significantly by the decrease in the average swap and cap rate to 0.67% in the six months ended June 30, 2016 from 1.04% in the six months endedJune 30, 2015, as shown in the table below (in thousands):

Change in Size				Change in Rate				Change in Size & Rate
Change in average notional outstanding	$	(185,715	)	Change in average rate	(0.371		)%	Change in average notional outstanding	$	(185,715	)
2015 average rate	1.042		%	2015 average notional outstanding	$	10,064,286		Change in average rate	(0.371		)%
Change	$	(969	)	Change	$	(18,658	)	Change	$	344
								Total change	$	(19,283	)

Our annualized weighted-average cost of funds, including hedges, rose to 1.33% for the six months ended June 30, 2016 from 1.27% for the six months endedJune 30, 2015. The components of our cost of funds including hedge are (i) rates on our repo borrowings and FHLBC Advances, (ii) rates on our interest rate swaps and caps, (iii) the size of our repo borrowings and FHLBC Advances, and (iv) the total notional amount of the interest rate swaps and caps.

Economic Net Interest Income

Our economic net interest income for the six months ended June 30, 2016 was $86.5 million, and our interest rate spread, net of hedge, was 1.29% compared to economic net interest income of $89.0 million and an interest rate spread net of hedge of 1.21% for the six months endedJune 30, 2015. The decrease in our economic net interest income was principally due to a decrease in average settled Debt Securities and higher total interest expense which was offset by a $19.3 million decrease in swap and cap interest expense in the six months ended June 30, 2016 compared to the six months endedJune 30, 2015.

Gain (Loss) on Investments and Drop Income

Net realized and unrealized gain on investments changed by $302.3 million to a gain of $228.8 million for the six months ended June 30, 2016, compared to a net loss of $(73.5) million for the six months ended June 30, 2015. This change was driven by an increase in the prices of our Agency RMBS for the six months ended June 30, 2016, as compared to a decrease in the prices of our Agency RMBS for the six months ended June 30, 2015. For example, during the six months ended June 30, 2016 the price of a 30-Yr. 4.0% Agency RMBS increased$1.37 to $107.23, and during the six months ended June 30, 2015 the price for the same security decreased$0.94 to $105.83. During the six months ended June 30, 2016, the price of a 15-year 3.0% Agency RMBS increased$1.78 to $104.86, and during the six months ended June 30, 2015, it decreased$0.50 to $103.48.

During the six months ended June 30, 2016 and 2015, we generated Drop Income of approximately $14.3 million and $22.7 million, respectively. The decrease in Drop Income during the six months endedJune 30, 2016 as compared to the comparable prior year period was primarily attributable to more advantageous financing in the forward market to settle than to roll our TBA positions during the six months endedJune 30, 2016 and, as a result, we executed a lower volume of forward settling transactions from which we derive Drop Income.

Net unrealized gain (loss) on FHLBC Advances

We held $350.0 million of FHLBC Advances that had an initial maturity greater than one year and a weighted average maturity of 0.6 years at June 30, 2016. We held $75.0 million of FHLBC Advances with an initial maturity more than one year and a weighted average maturity of 2.90 years at June 30, 2015. For the six months ended June 30, 2016 the net unrealized loss on FHLBC Advances was $(1.3) million. The unrealized loss was primarily due to pricing remaining long-term FHLBC Advances at par due to an expectation to repay the outstanding balance by August 2016. For the six months ended June 30, 2015 the net unrealized loss on FHLBC Advances was $(0.01) million. The loss was primarily due to a slight decrease in interest rates during the six months ended June 30, 2015 as 3-year swap rates decreased from 1.30% on December 31, 2014 to 1.25% at June 30, 2015.

Net Gain (Loss) on Derivative Instruments

Net gain (loss) on derivative instruments is comprised of net realized and unrealized gain (loss) on swap and cap contracts and TBA Derivatives. Net realized and unrealized gain (loss) on derivative instruments was $(185.1) million (comprised of $(199.0) million net realized and unrealized loss on swap and cap contracts, and $13.9 million net realized and unrealized gain on TBA Derivatives) for the six months ended June 30, 2016, compared to a loss of $(46.3) million (comprised of $(46.3) million net realized and unrealized loss on swap and cap contracts, and $0.0 million net realized and unrealized gain on TBA Derivatives) for the six months ended June 30, 2015. The change in net realized and unrealized gain (loss) on derivative

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instruments for the six months ended June 30, 2016 and 2015 was primarily due to decrease in interest rates during the six months ended June 30, 2016 which caused the value of our derivative instruments to decrease.

During the six months ended June 30, 2016 and 2015, 5-year swap rates decreased by 76 bps and increased by 2 bps, respectively. The average interest rate swap and cap notional amount was $9,878.6 million for the six months ended June 30, 2016 compared to $10,064.3 million for the six months endedJune 30, 2015. In the six months ended June 30, 2015, interest rates fell significantly in the first quarter, then rose in the second quarter but less significantly, and as a result the modest interest rate swap and cap gains in the second quarter were offset by more significant swap and cap losses in the first quarter. 

Operating Expenses

Operating expenses were $12.2 million and $11.8 million for the six months ended June 30, 2016 and 2015, respectively.

Contractual Obligations and Commitments

The following table summarizes the principal balances related to our contractual obligations for repo borrowings and FHLBC Advances and the related interest expense thereon, and office leases at June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016	Within One Year		One to Three Years		Three to Five Years		Thereafter		Total
Repurchase agreements and FHLBC Advances	$	10,424,501	$	—	$	—	$	—	$	10,424,501
Interest expense on repurchase agreements and FHLBC Advances, based on rates at June 30, 2016 (1)	20,536		—		—		—		20,536
Long-term operating lease obligation	370		726		766		805		2,667
Total	$	10,445,407	$	726	$	766	$	805	$	10,447,704

(1) Interest expense is calculated with the assumption of the FHLBC Advances maturing on or before February 19, 2017, as a direct result of the Final Rule.

December 31, 2015	Within One Year		One to Three Years		Three to Five Years		Thereafter		Total
Repurchase agreements and FHLBC Advances	$	10,662,776	$	425,000	$	—			$	11,087,776
Interest expense on borrowings under repurchase agreements and FHLBC Advances, based on rates at December 31, 2015	17,972		9,564		—				27,536
Long-term operating lease obligation	327		716		756		999		2,798
Total	$	10,681,075	$	435,280	$	756	$	999	$	11,118,110

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At June 30, 2016 and December 31, 2015, we held the following interest rate swap and cap contracts (in thousands):

As of June 30, 2016

Interest Rate Swaps	Weighted-Average	Notional		Fair
Expiration Year	Fixed Pay Rate	Amount		Value
2017	0.80%	$	1,500,000	$	(2,078	)
2018	1.00%	1,500,000		(7,018		)
2020	1.45%	1,750,000		(38,208		)
2021	1.21%	1,700,000		(18,091		)
2022	1.98%	500,000		(26,212		)
Total	1.19%	$	6,950,000	$	(91,607	)
Interest Rate Caps	Weighted-Average	Notional		Fair
Expiration Year	Cap Rate	Amount		Value
2019	1.34%	$	800,000	$	2,662
2020	1.25%	1,700,000		13,359
Total	1.28%	$	2,500,000	$	16,021

As of December 31, 2015

Interest Rate Swaps	Weighted-Average	Notional		Fair
Expiration Year	Fixed Pay Rate	Amount		Value
2017	0.82%	$	2,250,000	$	8,968
2018	1.16%	2,000,000		2,913
2019	1.75%	800,000		(7,148		)
2020	1.49%	2,000,000		19,989
2022	1.93%	900,000		689
Total	1.29%	$	7,950,000	$	25,411
Interest Rate Caps	Weighted-Average	Notional		Fair
Expiration Year	Cap Rate	Amount		Value
2019	1.34%	$	800,000	$	13,811
2020	1.25%	1,700,000		47,532
Total	1.28%	$	2,500,000	$	61,343

We enter into certain agreements that contain a variety of indemnification obligations, principally with our brokers and counterparties for interest rate swap contracts and repo borrowings. We have not incurred any costs to defend a lawsuit or settle claims related to these indemnification obligations. The maximum potential future payment amount we could be required to pay under these indemnification obligations cannot be reasonably estimated. Accordingly, we recorded no liabilities for these agreements as of June 30, 2016 and December 31, 2015. In addition, as of June 30, 2016 and December 31, 2015, we had $652.6 million and $1,476.0 million of payable for securities purchased, respectively, a portion of which either will be or was financed through repo borrowings and/or FHLB Advances.

Off-Balance Sheet Arrangements

As of June 30, 2016 and December 31, 2015, we did not maintain any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance, special purpose or variable interest entities, established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. Further, as of June 30, 2016 and December 31, 2015, we had not guaranteed any obligations of unconsolidated entities or entered into any commitment or had any intent to provide funding to any such entities.

We may also seek to obtain other sources of financing depending on market conditions. We may finance the acquisition of agency RMBS by entering into TBA dollar roll transactions in which we would sell a TBA contract for current

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month settlement and simultaneously purchase a similar TBA contract for a forward settlement date. Prior to the forward settlement date, we may choose to roll the position out to a later date by entering into an offsetting TBA position, net settling the paired off positions for cash, and simultaneously entering into a similar TBA contract for a later settlement date. In such transactions, the TBA contract purchased for a forward settlement date is priced at a discount to the TBA contract sold for settlement/pair off in the current month. The discount is the difference between the spot price and the forward settlement price for the same Agency RMBS on trade date and is referred to by the Company as Drop Income. This difference is also the economic equivalent of the assumed net interest spread (yield less financing costs) of the Agency RMBS from trade date to settlement date. Consequently, dollar roll transactions accounted for as TBA Derivatives represent a form of off-balance sheet financing. In evaluating our overall leverage at risk, we consider both our on-balance and off-balance sheet financing.

Liquidity and Capital Resources

Our primary sources of funds are repo borrowings, FHLBC Advances, equity offerings, asset sales, and monthly principal and interest payments on our investment portfolio. Because the level of our borrowings can be adjusted on a daily basis, the level of cash carried on our balance sheet is significantly less important than the potential liquidity available under our borrowing arrangements. We currently believe that we have sufficient liquidity and capital resources available for the acquisition of additional investments, repayments on borrowings, maintenance of any margin requirements and the payment of cash dividends as required for our continued qualification as a REIT. To qualify as a REIT, we must distribute annually at least 90% of our net taxable income. To the extent that we annually distribute all of our net taxable income in a timely manner, we will generally not be subject to federal and state income taxes. We currently expect to distribute all or substantially all of our taxable income in a timely manner so that we are not subject to federal and state income taxation. This distribution requirement limits our ability to retain earnings and thereby replenish or increase capital from operations.

As of June 30, 2016 and December 31, 2015, we had approximately $1,145.8 million and $1,120.2 million, respectively, in Agency RMBS, U.S. Treasuries, and cash available to satisfy future margin calls. The following table presents our unencumbered liquid assets as a percentage of stockholders' equity as of June 30, 2016:

	Carrying Value as of
Unencumbered Liquid Assets	June 30, 2016			December 31, 2015
Cash	$	13,182		$	9,982
U.S. Treasuries	10,805			29,257
Agency RMBS	1,121,819			1,080,990
Total liquid assets	$	1,145,806		$	1,120,229
Unencumbered liquid assets as % of total stockholders' equity	66.6		%	66.2		%

To date, we have maintained sufficient liquidity to meet margin calls, and we have never been unable to satisfy a margin call, although no assurance can be given that we will be able to satisfy requests from our lenders to post additional collateral in the future. During the six months ended June 30, 2016, we maintained an average liquidity level of approximately 58% and never less than 47% of stockholders' equity.

During the Second Quarter, we had average repo borrowings and FHLBC Advances outstanding of $10,412.8 million with an average cost of funds of 0.72%, and during the second quarter of 2015 we had average repo borrowings and FHLBC Advances of $11,610.1 million with an average cost of funds of 0.35%. At June 30, 2016, repo borrowing financing was generally stable with interest rates between 0.55% and 0.84% for 30-90 day repo borrowings. At June 30, 2016, FHLBC Advances totaled $575.0 million, with a weighted average rate of 1.11% and remaining term of 143 days (which reflects a final maturity date of February 19, 2017). Certain FHLBC Advances had an original term of three years and were callable by the Company after the one-year anniversary of the advance and thereafter every six months. As with our repo borrowings, if the value of any assets pledged to FHLBC as collateral for advances decreases, the FHLBC could require posting of additional collateral. On January 12, 2016, the FHFA issued a Final Rule amending its regulations governing FHLB membership criteria for captive insurance companies, which has terminated our ability to access additional advances from the FHLBC. As a direct result of the Final Rule, the Company has reduced outstanding FHLBC Advances to $575 million as of June 30, 2016, and all outstanding advances with the FHLBC are required to be repaid on or before February 19, 2017. During the First Quarter the Company replaced $1,450.0 million of FHLBC Advances with its existing repo counterparties and expects that it will be able to replace the remaining FHLBC Advances with existing repo counterparties. The Company’s FHLBC membership and activity stock totaling $23.0 million at June 30, 2016 is expected to be redeemed in full when FHLBC Advances are repaid. We expect to repay the remaining FHLBC Advances outstanding at June 30, 2016 by August 2016.

To limit our exposure to counterparty credit risk, we diversify our funding across multiple counterparties and by counterparty region. As of June 30, 2016 and December 31, 2015, we had access to 48 counterparties, subject to certain conditions, located throughout North America, Europe and Asia. At June 30, 2016, FHLBC Advances were 5.52% of the Total

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Outstanding Borrowings, and repo borrowings with any individual counterparty were less than 8% of our Total Outstanding Borrowings. The table below includes a summary of the percent of total borrowings with counterparties by region as of June 30, 2016 and December 31, 2015:

	June 30, 2016
Counterparty Region	Number of Counterparties	Percent of Total Outstanding Borrowings
North America	22	61.7	%
Europe	8	21.1	%
Asia	5	17.2	%
	35	100.0	%

	December 31, 2015
Counterparty Region	Number of Counterparties	Percent of Total Outstanding Borrowings
North America	22	64.4	%
Europe	8	21.8	%
Asia	5	13.8	%
	35	100.0	%

Our repurchase agreements contain typical provisions and covenants as set forth in the standard master repurchase agreement published by the Securities Industry and Financial Markets Association. Our repurchase agreements generally require us to transfer additional securities to the counterparty in the event the value of the securities then held by the counterparty in the margin account falls below specified levels and contain events of default in cases where we or the counterparty breaches our respective obligations under the agreement.

The credit arrangement pursuant to which CYS Insurance maintains FHLBC Advances (the "FHLBC Arrangement") involves observance by CYS Insurance of the rules of FHLBC membership, is subject to the FHLBC's credit policies, and is governed by the terms and conditions of a blanket security agreement, and the consent and guaranty of the Company.  The FHLBC Arrangement requires CYS Insurance to transfer additional securities to the FHLBC in the event the value of the securities then held by the FHLBC falls below specified levels, and contains events of default in cases where we or the FHLBC breaches our respective obligations under the FHLBC Arrangement.  An event of default or termination event under the FHLBC Arrangement would give the FHLBC the option to terminate all FHLBC Advances existing with us and make any amount due by us to the FHLBC immediately payable. As mentioned above, on January 12, 2016, the FHFA issued a Final Rule amending its regulations governing FHLB membership criteria for captive insurance companies, which has terminated our ability to access additional advances from the FHLBC.

We receive margin calls from our counterparties in the ordinary course of business similar to other entities in the specialty finance business. We receive two types of margin calls from our counterparties. The first, known as a "factor call", is a margin call that occurs periodically and relates to the timing difference between the reduction of principal balances of our Agency RMBS, due to monthly principal payments on the underlying mortgages, and the receipt of the corresponding cash. The second type of margin call we may receive is a "valuation call", which occurs due to market and interest rate movements. Both factor and valuation margin calls occur if the total value of our assets pledged as collateral to a counterparty drops beyond a threshold level, typically between $100,000 and $500,000 (although no such minimum applies under the FHLBC Arrangement). Both types of margin calls require a dollar for dollar restoration of the margin shortfall. Similarly, we may initiate a margin call to a counterparty when the value of our assets pledged as collateral with the counterparty increases above the threshold level, thereby increasing our liquidity upon receipt of the collateral. All unrestricted cash plus any unpledged securities are available to satisfy margin calls.

Our collateral is generally valued on the basis of prices provided by recognized bond market sources agreed to by the parties involved. Inputs to the models used by pricing sources may include, but are not necessarily limited to, reported trades, executable bid and asked prices, broker quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and economic events. Our master agreements for repo borrowing transactions contain mostly standard provisions for the valuation of collateral. These agreements typically provide that both the repurchase seller (the borrower) and the repurchase buyer (the lender) value the collateral on a daily basis. Each party uses prices that it obtains from generally recognized pricing sources, or the most recent closing bid quotation from such a source. If the buyer, or the seller, as the case may be, determines that additional collateral is required, it may call for the delivery of such collateral. Under certain of our repurchase agreements, in limited circumstances, such as when a pricing source is not available, our lenders have the right to determine the value of the collateral we have provided to secure our repurchase borrowings. In instances where we have agreed to permit our lenders to make a determination of the value of such collateral, such lenders are expected to act reasonably and in good faith in making such valuation determinations.

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An event of default or termination event under the standard master repurchase agreement would give our counterparty the option to terminate all repurchase transactions existing with us and make any amount due by us to the counterparty immediately payable.

During the six months ended June 30, 2016 and 2015, we recorded $865.0 million and $1,034.7 million of principal repayments, respectively, and received $158.4 million and $161.7 million of interest payments, respectively. We held cash of $13.2 million and $10.0 million at June 30, 2016 and December 31, 2015, respectively. For the six months ended June 30, 2016 and 2015, net cash provided by operating activities was $78.2 million and $129.8 million, respectively. For the six months ended June 30, 2016 and 2015, net cash provided by (used in) investing activities was $643.6 million and $(453.2) million, respectively. For the six months ended June 30, 2016 and 2015, net cash provided by (used in) financing activities was $(718.6) million and $369.1 million, respectively.

Our investment portfolio is comprised principally of highly liquid Agency RMBS guaranteed by Freddie Mac or Fannie Mae, and Ginnie Mae RMBS and U.S. Treasuries both backed by the full faith and credit of the U.S. government. We regularly monitor the creditworthiness of the U.S. government. While the U.S. government has had its credit rating downgraded in recent years by one of the credit rating agencies, it is generally considered to be one of the most secure creditors in the world.

We may increase our capital resources by obtaining long-term credit facilities or making public or private offerings of equity or debt securities. Such financings will depend on market conditions for capital raises and for the investment of any proceeds. If we are unable to renew, replace or expand our sources of financing on substantially similar terms, it may have an adverse effect on our business and results of operations.

From time to time we raise capital through the sale and issuance of our capital stock. On May 23, 2014, we filed an automatically effective shelf registration statement on Form S-3 with the SEC. We may offer and sell, from time to time, shares of common stock, preferred stock and debt securities in one or more offerings pursuant to the prospectus that is a part of the registration statement. As of June 30, 2016, we had not issued any shares of common stock, preferred stock or debt securities under the prospectus.

Another vehicle to raise capital is our Direct Share Purchase Program ("DSPP"), through which stockholders may purchase additional shares of common stock by reinvesting some or all of the cash dividends received on shares of common stock. Stockholders may also make optional cash purchases of shares of common stock subject to certain limitations detailed in the plan prospectus. We did not issue any shares under the plan during the six months ended June 30, 2016 and 2015. As of June 30, 2016 and December 31, 2015, there were approximately 4.1 million shares available for issuance under the DSPP.

For the six months ended June 30, 2016, we repurchased 673,166 shares of the Company's common stock at a weighted-average purchase price of $7.85 per share, for an aggregate of approximately $5.3 million. Accordingly, the Company was authorized to repurchase shares of its common stock approximating $155.5 million as of June 30, 2016 pursuant to its stock repurchase program. For the six months ended June 30, 2015, we repurchased 5,436,157 shares of the Company's common stock at a weighted-average purchase price of $8.93 per share, for an aggregate of approximately $48.7 million. Accordingly, the Company was authorized to repurchase shares of its common stock approximating $199.8 million as of June 30, 2015.

Quantitative and Qualitative Disclosures about Short-Term Borrowings

The following table discloses quantitative data about our repo borrowings and short-term FHLBC advances during the three months endedJune 30, 2016 and 2015:

	Three Months Ended June 30,						Six Months Ended June 30,
(In millions)	2016			2015			2016			2015
Outstanding at period end	$	10,075		$	11,690		$	10,075		$	11,690
Weighted-average rate at period end	0.65		%	0.34		%	0.65		%	0.34		%
Average outstanding during period (1)	$	10,025		$	11,573		$	10,070		$	11,342
Weighted-average rate during period	0.69		%	0.35		%	0.67		%	0.35		%
Largest month end balance during period	$	10,363		$	11,984		$	10,663		$	11,984

_______________

(1) Calculated based on the average month end balance of repurchase agreements and FHLBC Advances with initial maturities less than one year.

The Company's borrowing rates were higher in the three months endedJune 30, 2016 than in the corresponding three months endedJune 30, 2015 due primarily to the FOMC raising the federal funds rate by 25 bps on December 16, 2015.

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Overall we continue to experience a stable borrowing environment. During the six months ended June 30, 2016 the Company replaced $1,450.0 million of FHLBC Advances with repo borrowings from its existing counterparties. This change did not have a significant impact on our total interest expense. At June 30, 2016, the Company had $575.0 million of the FHLBC Advances that are required to be repaid on or prior to February 19, 2017. We expect to repay the remaining outstanding long-term FHLBC Advances by August 2016. From quarter to quarter, fluctuations occur in our repo borrowings and FHLBC Advances that are well correlated with the expansion and contraction of our investment portfolio. Though it varies by quarter, we currently expect borrowings for approximately 80-85 percent of our investment portfolio.

At June 30, 2016 and December 31, 2015, our amount at risk with any individual counterparty related to our repo borrowings or FHLBC Advances was less than 2.1% and 2.3% of stockholders' equity, respectively, and our repo borrowings or FHLBC Advances with any individual counterparty were less than 6.3% and 14.7% of our total assets, respectively.

Inflation

Our assets and liabilities are sensitive to interest rate and other related factors to a greater degree than inflation. Changes in interest rates do not necessarily correlate with inflation rates or changes in inflation rates. Our financial statements are prepared in accordance with U.S. GAAP and our dividend distributions are determined by our Board of Directors based in part on our REIT taxable income as calculated according to the requirements of the Internal Revenue Code. In each case, our activities and balance sheet are measured with reference to fair value without considering inflation.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

As of June 30, 2016 and December 31, 2015, the primary component of our market risk was interest rate risk, as described below. While we do not seek to avoid risk completely, we do believe that risk can be quantified from historical experience, and actively managed, to earn sufficient compensation to justify taking risks and to maintain capital levels consistent with the risks we undertake. Our Board of Directors exercises oversight of risk management in many ways, including overseeing our senior management’s risk-related responsibilities and reviewing management and investment policies and performance against these policies and related benchmarks. See "Business—Risk Management Strategy" in our 2015 Annual Report for a further discussion of our risk management practices.

Interest Rate Risk

We are subject to interest rate risk in connection with our investments in Debt Securities and our related debt obligations, which are generally repo borrowings of limited duration that are periodically refinanced at current market rates. We seek to manage this risk through utilization of derivative contracts, primarily interest rate swap and cap contracts.

Effect on Net Interest Income.  We fund our investments in long-term Agency RMBS collateralized by ARMs, hybrid ARMs and fixed rate mortgage loans with short-term repo borrowings and FHLBC Advances. During periods of rising interest rates, the borrowing costs associated with those Agency RMBS tend to increase while the income earned on such Agency RMBS (during the fixed rate component of such securities) may remain substantially unchanged, assuming a static portfolio. This results in a narrowing of the net interest spread between the related assets and borrowings and may even result in losses.

We are a party to interest rate swap and cap contracts as of June 30, 2016 and December 31, 2015 described in detail under Item 2. "Management’s Discussion and Analysis of Financial Condition and Results of Operations—Contractual Obligations and Commitments" in this Quarterly Report.

Hedging techniques are partly based on assumed levels of prepayments of our Agency RMBS. If prepayments are slower or faster than assumed, the life of the Agency RMBS will be longer or shorter, which would reduce the effectiveness of any hedging strategies we may use and may cause losses on such transactions.

Effect on Fair Value. Another component of interest rate risk is the effect changes in interest rates will have on the fair value of our assets, liabilities, and derivative instruments. We face the risk that the fair value of our assets will increase or decrease at different rates than that of our liabilities, including our hedging instruments.

We assess our interest rate risk primarily by estimating the duration of our assets and the duration of our liabilities. Duration, in its simplest form, measures the market price volatility of financial instruments as interest rates change. We generally calculate duration using third-party financial models and empirical data. Different models and methodologies can produce different durations for the same securities.

Extension Risk. We invest in Agency RMBS collateralized by hybrid ARMs, which have interest rates that are fixed for the first few years of the loan (typically three, five, seven or ten years) and thereafter reset periodically on the same basis as Agency RMBS collateralized by ARMs. We compute the projected weighted-average life of our Agency RMBS collateralized by hybrid ARMs based on assumptions regarding the rate at which the borrowers will prepay the underlying mortgages. In general, when Agency RMBS collateralized by fixed rate or hybrid ARMs is acquired with borrowings, we may, but are not required to, enter into an interest rate swap contract or other hedging instrument that effectively fixes our borrowing costs for a period close to the anticipated weighted-average life of the fixed rate portion of the related Agency RMBS. This strategy is

43

designed to protect us from rising interest rates by fixing our borrowing costs for the duration of the fixed rate period of the collateral underlying the related Agency RMBS.

We have structured our swaps to expire in conjunction with the estimated weighted-average life of the fixed period of the mortgages underlying our Agency RMBS portfolio. However, in a rising interest rate environment, the weighted-average life of the fixed rate mortgages underlying our Agency RMBS could extend beyond the term of the swap agreement or other hedging instrument. This could have a negative impact on our results from operations, as borrowing costs would no longer be fixed after the term of the hedging instrument while the income earned on the remaining Agency RMBS would remain fixed for a period of time. This situation may also cause the market value of our Agency RMBS to decline with little or no offsetting gain from the related hedging transactions. In extreme situations, we may be forced to sell assets to maintain adequate liquidity, which could cause us to incur losses.

Interest Rate Cap Risk. Both the ARMs and hybrid ARMs that collateralize our Agency RMBS are typically subject to periodic and lifetime interest rate caps and floors, which limit the amount by which the security’s interest yield may change during any given period. However, our borrowing costs will not be subject to similar restrictions. Therefore, in a period of increasing interest rates, the interest costs on our borrowings could increase without limitation by caps while the interest rate yields on our Agency RMBS would effectively be limited by caps. This problem will be magnified to the extent that we acquire Agency RMBS that are collateralized by hybrid ARMs that are not fully indexed. In addition, the underlying mortgages may be subject to periodic payment caps that result in some portion of the interest being deferred and added to the principal outstanding. This could result in our receipt of less cash income on our Agency RMBS than we need in order to pay the interest cost on our related borrowings. These factors could lower our net interest income or cause a net loss during periods of rising interest rates, which would harm our financial condition, cash flows and results of operations.

Interest Rate Mismatch Risk.  We intend to fund a substantial portion of our acquisitions of Agency RMBS with borrowings that, after the effect of hedging, have interest rates based on indices and repricing terms similar to, but of somewhat shorter maturities than, the interest rate indices and repricing terms of the Agency RMBS. Thus, we anticipate that in most cases the interest rate indices and repricing terms of our Agency RMBS and our funding sources will not be identical, thereby creating an interest rate mismatch between assets and liabilities. Therefore, our cost of funds would likely rise or fall more quickly than would our earnings rate on assets. During periods of changing interest rates, such interest rate mismatches could negatively impact our financial condition, cash flows and results of operations. To manage interest rate mismatches, we may utilize the hedging strategies discussed above.

Our analysis of risks is based on management’s experience, estimates, empirical models and assumptions. These analyses rely on models which utilize estimates of fair value and interest rate sensitivity. Actual economic conditions or implementation of investment decisions by our management may produce results that differ significantly from the estimates and assumptions used in our models and the projected results reflected herein.

Prepayment Risk

Prepayments are the full or partial repayment of principal prior to the original contractual maturity of a mortgage loan, and typically occur due to refinancing of mortgage loans. Prepayment rates for existing Agency RMBS generally increase when prevailing mortgage interest rates fall, and vice-versa. In addition, prepayment rates on Agency RMBS collateralized by ARMs and hybrid ARMs generally increase when the difference between long-term and short-term interest rates declines or becomes negative, and vice-versa. Additionally, we own Agency RMBS that were purchased at a premium. The prepayment of such Agency RMBS at a rate faster than anticipated would result in a write-off of any remaining unamortized premium.

We seek to manage our prepayment risk by investing in Agency RMBS with (i) a variety of prepayment characteristics, (ii) prepayment prohibitions and penalties and (iii) prepayment protections, as well as by balancing Agency RMBS purchased at a premium with Agency RMBS purchased at a discount.

Effect on Fair Value and Net Income

Another component of interest rate risk is the effect that changes in interest rates will have on the fair value of our assets and our net income exclusive of the effect on fair value. We face the risk that the fair value of our assets and net interest income will increase or decrease at different rates than that of our liabilities, including our hedging instruments.

We assess our interest rate risk primarily by estimating the duration of our assets and of our liabilities. Duration essentially measures the market price volatility of financial instruments as interest rates change. We generally calculate duration using third-party financial models and empirical data. Different models and methodologies can produce different durations for the same securities.

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The following sensitivity analysis table estimates the impact of our interest rate-sensitive investments and repo borrowing liabilities on the fair value of our net income and our assets, exclusive of the effect of changes in fair value on our net income, at June 30, 2016 and December 31, 2015, assuming a static portfolio and that rates instantaneously fall 25, 50 and 75 bps and rise 25, 50 and 75 bps:

June 30, 2016

Change in Interest Rates	Projected Change in Our Net Income (1)			Projected Change in the Fair Value of Our Assets (including hedging instruments) (1)		Projected Change in Stockholders' Equity
- 75 basis points	8.40	%	(2)	(0.25	)%	(1.99	)%
- 50 basis points	6.72	%	(2)	0.02	%	0.13	%
- 25 basis points	3.36	%	(2)	0.09	%	0.69	%
No Change	—	%		—	%	—	%
+ 25 basis points	(6.21	)%		(0.22	)%	(1.69	)%
+ 50 basis points	(14.61	)%		(0.57	)%	(4.47	)%
+ 75 basis points	(23.02	)%		(1.03	)%	(8.12	)%

December 31, 2015

Change in Interest Rates	Projected Change in Our Net Income			Projected Change in the Fair Value of Our Assets (including hedging instruments) (1)		Projected Change in Stockholders' Equity
- 75 basis points	5.56	%	(2)	0.34	%	2.66	%
- 50 basis points	4.45	%	(2)	0.39	%	2.99	%
- 25 basis points	2.22	%	(2)	0.26	%	2.05	%
No Change	—	%		—	%	—	%
+ 25 basis points	(5.56	)%		(0.39	)%	(2.99	)%
+ 50 basis points	(11.12	)%		(0.89	)%	(6.87	)%
+ 75 basis points	(16.67	)%		(1.48	)%	(11.43	)%

_____________

(1) Analytics provided by The Yield Book^® Software.

(2) Given the historically low level of interest rates at June 30, 2016 and December 31, 2015, we reduced 3-month LIBOR and our repo borrowing rates by 10, 20 and 25 bps for the 25, 50, and 75 down net income scenarios at June 30, 2016, and 10, 25 and 35 bps, for the 25, 50, and 75 down net income scenarios at December 31, 2015. All other interest rate-sensitive instruments were calculated in accordance with the table.

While the tables above reflect the estimated immediate impact of interest rate increases and decreases on a static portfolio, we rebalance our portfolio periodically either to take advantage of, or minimize the impact of, changes in interest rates. Generally, our interest rate swaps reset in the quarter following rate changes. The impact of changing interest rates on fair value and net income can change significantly when interest rates change beyond 75 bps from current levels. Therefore, the volatility in the fair value of our assets could increase significantly when interest rates change beyond 75 bps. In addition, other factors impact the fair value of and net income from our interest rate-sensitive investments and hedging instruments, such as the shape of the yield curve, market expectations as to future interest rate changes and other market conditions. Accordingly, when actual interest rates change, the change in the fair value of our assets and our net income will likely differ from that shown above, and such difference may be material and adverse for our stockholders.

Risk Management

Our Board of Directors exercises its oversight of risk management in many ways, including overseeing our senior management’s risk-related responsibilities, and reviewing management policies and performance.

As part of our risk management process, we actively manage the interest rate, liquidity, prepayment and counterparty risks associated with our Agency RMBS portfolio. We seek to manage our interest rate risk exposure by entering into various hedging instruments in order to minimize our exposure to potential interest rate mismatches between the interest we earn on our investments and our borrowing costs.

We seek to manage our liquidity risks by monitoring our liquidity position on a daily basis and maintaining a prudent level of leverage, which we currently consider to be between five and ten times the amount of stockholders' equity in our overall portfolio, based on current market conditions and various other factors, including the health of the financial institutions

45

that lend to us under our repurchase agreements and the presence of special liquidity programs provided by domestic and foreign central banks, and by the FHLBC.

We seek to manage our prepayment risk by investing in Agency RMBS with a variety of prepayment characteristics as well as by balancing Agency RMBS purchased at a premium with Agency RMBS purchased at a discount.

We seek to manage our counterparty risk by (i) diversifying our exposure across a broad number of counterparties, (ii) limiting our exposure to any one counterparty, and (iii) monitoring the financial stability of our counterparties.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of June 30, 2016. The term "disclosure controls and procedures," as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of June 30, 2016, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective.

There have been no changes in our internal controls over financial reporting that occurred during the last fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting.

PART II. Other Information

Item 1. Legal Proceedings

The Company and its subsidiaries are not currently subject to any material legal proceedings other than ordinary, routine litigation incidental to the business.

Item 1A. Risk Factors

There were no material changes during the period covered by this Quarterly Report to the risk factors previously disclosed in our 2015 Annual Report. Additional risks not presently known, or that we currently deem immaterial, also may have a material adverse effect on our business, financial condition and results of operations.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Issuer Purchases of Equity Securities

The following table summarizes the Company's purchases of shares of its common stock during the six months ended June 30, 2016 (dollars in thousands except per share data):

Period	Total Number of Shares Purchased 1	Average Price Paid Per Share 1		Dollar Value of Shares That May Yet Be Purchased 1
January 1, 2016 - January 31, 2016	—	$	—	$	160,796
February 1, 2016 - February 29, 2016	—	—		160,796
March 1, 2016 - March 31, 2016	510,618	7.82		156,794
April 1, 2016 - April 30, 2016	—	—		156,794
May 1, 2016 - May 31, 2016	162,548	7.93		155,502
June 1, 2016 - June 30, 2016	—	—		155,502
Total	673,166	$	7.85

____________

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¹  The Company repurchased shares of its common stock in open-market transactions pursuant to its share repurchase program, authorized by its Board of Directors and publicly announced on July 21, 2014. Pursuant to this authority, the Company may repurchase shares of its common stock up to $250 million in aggregate value. Between January 1, 2015 and June 30, 2016, the Company repurchased approximately $5.3 million in aggregate value of its common stock. As of June 30, 2016, the Company was authorized to repurchase shares of its common stock approximating $155.5 million.

Item 3. Defaults Upon Senior Securities

None.

Item 5. Other Information

None.

Item 6. Exhibits

(a) Exhibits.

Exhibit Number	Description of Exhibit
3.1(1)	Articles of Amendment and Restatement of CYS Investments, Inc.
3.2(2)	Articles of Amendment to the Articles of Amendment and Restatement
3.3(2)	Articles of Amendment to the Articles of Amendment and Restatement
3.4(3)	Articles of Amendment to the Articles of Amendment and Restatement
3.5(4)	Articles Supplementary of 7.75% Series A Cumulative Redeemable Preferred Stock
3.6(5)	Articles Supplementary of 7.50% Series B Cumulative Redeemable Preferred Stock
3.7(6)	Amended and Restated Bylaws of CYS Investments, Inc.
31.1*	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes – Oxley Act of 2002
31.2*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes – Oxley Act of 2002
32.1**	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes – Oxley Act of 2002
32.2**	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes – Oxley Act of 2002
Exhibit 101.INS XBRL	Instance Document (7)
Exhibit 101.SCH XBRL	Taxonomy Extension Schema Document (7)
Exhibit 101.CAL XBRL	Taxonomy Extension Calculation Linkbase Document (7)
Exhibit 101.DEF XBRL	Additional Taxonomy Extension Definition Linkbase Document Created (7)
Exhibit 101.LAB XBRL	Taxonomy Extension Label Linkbase Document (7)
Exhibit 101.PRE XBRL	Taxonomy Extension Presentation Linkbase Document (7)

_________________

*    Filed herewith.

**    Furnished herewith.

(1) Incorporated by reference to the Registrant’s Registration Statement on Form S-11 filed with the Securities and Exchange Commission (File No. 333-142236).

(2) Incorporated by reference to the Registrant’s Form 10-K filed with the Securities and Exchange Commission on February 10, 2010.

(3) Incorporated by reference to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 1, 2011.

47

(4) Incorporated by reference to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on August 2, 2012.

(5) Incorporated by reference to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on April 29, 2013.

(6) Incorporated by reference to the Registrant’s Form 10-K filed with the Securities and Exchange Commission on February 23, 2012.

(7) Submitted electronically herewith. Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Balance Sheets at June 30, 2016 (Unaudited) and December 31, 2015 (Derived from the audited balance sheet at December 31, 2015); (ii) Consolidated Statements of Operations (Unaudited) for the three and six months ended June 30, 2016 and 2015; (iii) Consolidated Statements of Stockholders' Equity (Unaudited) for the six months ended June 30, 2016; (iv) Consolidated Statements of Cash Flows (Unaudited) for the six months ended June 30, 2016 and 2015; and (v) Notes to Consolidated Financial Statements (Unaudited).

48

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

CYS INVESTMENTS, INC.

Dated: July 28, 2016 BY:    /s/ JACK DECICCO

Jack DeCicco, CPA

Chief Financial Officer and Treasurer

(Principal Financial and Accounting Officer)

49

EXHIBIT INDEX

Exhibit Number	Description
3.1(1)	Articles of Amendment and Restatement of CYS Investments, Inc.
3.2(2)	Articles of Amendment to the Articles of Amendment and Restatement
3.3(2)	Articles of Amendment to the Articles of Amendment and Restatement
3.4(3)	Articles of Amendment to the Articles of Amendment and Restatement
3.5(4)	Articles Supplementary of 7.75% Series A Cumulative Redeemable Preferred Stock
3.6(5)	Articles Supplementary of 7.50% Series B Cumulative Redeemable Preferred Stock
3.7(6)	Amended and Restated Bylaws of CYS Investments, Inc.
31.1*	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes – Oxley Act of 2002
31.2*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes – Oxley Act of 2002
32.1**	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes – Oxley Act of 2002
32.2**	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes – Oxley Act of 2002
Exhibit 101.INS XBRL	Instance Document (7)
Exhibit 101.SCH XBRL	Taxonomy Extension Schema Document (7)
Exhibit 101.CAL XBRL	Taxonomy Extension Calculation Linkbase Document (7)
Exhibit 101.DEF XBRL	Additional Taxonomy Extension Definition Linkbase Document Created (7)
Exhibit 101.LAB XBRL	Taxonomy Extension Label Linkbase Document (7)
Exhibit 101.PRE XBRL	Taxonomy Extension Presentation Linkbase Document (7)

__________________

 *     Filed herewith.

**    Furnished herewith.

(1) Incorporated by reference to the Registrant’s Registration Statement on Form S-11 filed with the Securities and Exchange Commission (File No. 333-142236).

(2) Incorporated by reference to the Registrant’s Form 10-K filed with the Securities and Exchange Commission on February 10, 2010.

(3) Incorporated by reference to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 1, 2011.

(4) Incorporated by reference to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on August 2, 2012.

(5) Incorporated by reference to the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission on April 29, 2013.

(6) Incorporated by reference to the Registrant’s Form 10-K filed with the Securities and Exchange Commission on February 23, 2012.

(7) Submitted electronically herewith. Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Balance Sheets at June 30, 2016 (Unaudited) and December 31, 2015 (derived from the audited balance sheet at December 31, 2015); (ii) Consolidated Statements of Operations (Unaudited) for the three and six months ended June 30, 2016 and 2015; (iii) Consolidated Statements of Stockholders' Equity (Unaudited) for the six months ended June 30, 2016 and 2015; (iv) Consolidated Statements of Cash Flows (Unaudited) for the six months ended June 30, 2016 and 2015; and (v) Notes to Consolidated Financial Statements (Unaudited).

50

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Kevin E. Grant, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of CYS Investments, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated: July 28, 2016

/s/    KEVIN E. GRANT        

Kevin E. Grant

Chairman of the Board

and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Jack DeCicco, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of CYS Investments, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated: July 28, 2016

/s/   JACK DECICCO        

 Jack DeCicco, CPA

Chief Financial Officer and Treasurer

EX-32.1

Exhibit 32.1

Certification Pursuant To

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of The Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of CYS Investments, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2016 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kevin E. Grant, Chairman of the Board and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: July 28, 2016

/s/    KEVIN E. GRANT        

Kevin E. Grant

Chairman of the Board

and Chief Executive Officer

EX-32.2

Exhibit 32.2

Certification Pursuant To

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of The Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of CYS Investments, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2016 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jack DeCicco, Chief Financial Officer and Treasurer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: July 28, 2016

/s/    JACK DECICCO        

 Jack DeCicco, CPA

Chief Financial Officer and Treasurer

XML

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2016	Jul. 28, 2016
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2016
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2016
Entity Registrant Name	CYS Investments, Inc.
Entity Central Index Key	0001396446
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		151,414,696

XML

Consolidated Statements Of Assets And Liabilities (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016		Dec. 31, 2015
Assets:
Cash	$ 13,182		$ 9,982	[1]
Agency mortgage-backed securities (including pledged assets of $10,106,787 and $11,587,014, respectively)	11,879,933		12,927,996	[1]
U.S. Treasury securities (including pledged assets of $884,213 and $14,886, respectively)	884,213		99,711	[1]
Receivable for securities sold and principal repayments	1,507		1,084,844	[1]
Receivable for cash pledged as collateral	97,309		21,751	[1]
Interest receivable	32,460		34,563	[1]
Derivative assets, at fair value	24,650		100,778	[1]
Other investments	31,028		50,028	[1]
Other assets	1,625		1,051	[1]
Total assets	12,965,907		14,330,704	[1]
Liabilities:
Repurchase agreements	9,849,501		8,987,776
FHLBC Advances, at fair value	575,000	[2]	2,098,701
Payable for securities purchased	652,619		1,475,974	[1]
Payable for cash received as collateral	4,826		18,534	[1]
Accrued interest payable	20,307		32,588	[1]
Accrued expenses and other liabilities	4,857		4,083	[1]
Dividends payable	42,259		4,410	[1]
Derivative liabilities, at fair value	95,529		14,024	[1]
Total liabilities	11,244,898		12,636,090	[1]
Stockholders' equity:
7.75% Series A Cumulative Redeemable Preferred Stock, (3,000 shares issued and outstanding, respectively, $75,000 in aggregate liquidation preference)	72,369		72,369	[1]
7.50% Series B Cumulative Redeemable Preferred Stock, (8,000 shares issued and outstanding, respectively, $200,000 in aggregate liquidation preference)	193,531		193,531	[1]
Common Stock, $0.01 par value, 500,000 shares authorized (151,394 and 151,740 shares issued and outstanding, respectively)	1,514		1,517	[1]
Additional paid in capital	1,942,930		1,946,419	[1]
Retained earnings (accumulated deficit)	(489,335)		(519,222)	[1]
Total stockholders' equity	1,721,009		1,694,614	[1]
Total liabilities and stockholders' equity	$ 12,965,907		$ 14,330,704	[1]

[1] Derived from audited consolidated financial statements.

[2] At June 30, 2016, the Company had $575.0 million of FHLBC Advances that are required to be repaid on or prior to February 19, 2017.

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Condolidated Statements Of Assets And Liabilities (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Series Cumulative Redeemable Preferred Stock, par value	$ 0.01	$ 0.01
Preferred Stock, shares authorized	50,000,000	50,000,000
Series A Cumulative Redeemable Preferred Stock, shares issued	3,000,000	3,000,000
Series A Cumulative Redeemable Preferred Stock, shares outstanding	3,000,000	3,000,000
Series A Cumulative Redeemable Preferred Stock, aggregate liquidation value	$ 75,000	$ 75,000
Series A Cumulative Redeemable Preferred Stock, liquidation preference per share	$ 25.00	$ 25.00
Series B Cumulative Redeemable Preferred Stock, shares issued	8,000,000	8,000,000
Series B Cumulative Redeemable Preferred Stock, shares outstanding	8,000,000	8,000,000
Series B Cumulative Redeemable Preferred Stock, aggregate liquidation value	$ 200,000	$ 200,000
Series B Cumulative Redeemable Preferred Stock, liquidation preference per share	$ 25.00	$ 25.00
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	151,394,016	151,739,840
Common stock, shares outstanding	151,394,016	151,739,840
Agency Mortgage-backed Securities [Member]
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Investments in securities, pledged assets	$ 10,992,814	$ 11,601,900
US Treasury Securities [Member]
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Investments in securities, pledged assets	$ 884,213	$ 14,886

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Condensed Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest income:
Agency RMBS	$ 74,176	$ 79,579	$ 155,499	$ 159,639
Other	681	953	809	1,743
Total interest income	74,857	80,532	156,308	161,382
Interest expense:
Repurchase agreements	16,910	9,607	32,797	19,218
FHLBC Advances	1,777	655	3,835	686
Total interest expense	18,687	10,262	36,632	19,904
Net interest income	56,170	70,270	119,676	141,478
Other income (loss):
Net realized gain (loss) on investments	36,359	9,435	37,561	27,688
Net unrealized gain (loss) on investments	28,915	(176,899)	191,201	(101,210)
Net unrealized gain (loss) on FHLBC Advances	(448)	(11)	(1,299)	(11)
Other income	387	118	850	158
Net realized and unrealized gain (loss) on investments, FHLBC Advances and other income	65,213	(167,357)	228,313	(73,375)
Swap and cap interest expense	(14,779)	(24,992)	(33,177)	(52,460)
Net realized and unrealized gain (loss) on derivative instruments	(44,535)	31,047	(185,059)	(46,321)
Net gain (loss) on derivative instruments	(59,314)	6,055	(218,236)	(98,781)
Total other income (loss)	5,899	(161,302)	10,077	(172,156)
Expenses:
Compensation and benefits	3,565	3,712	7,430	7,266
General, administrative and other	2,294	2,293	4,782	4,496
Total expenses	5,859	6,005	12,212	11,762
Net income (loss)	56,210	(97,037)	117,541	(42,440)
Less preferred stock dividends	(5,203)	(5,203)	(10,406)	(10,406)
Net income (loss) available to common stockholders	$ 51,007	$ (102,240)	$ 107,135	$ (52,846)
Net income (loss) per common share basic & diluted	$ 0.34	$ (0.66)	$ 0.71	$ (0.34)
Dividends declared per common share	$ 0.25	$ 0.28	$ 0.51	$ 0.58

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Consolidated Statement Of Changes In Stockholders Equity - USD ($) $ in Thousands	Total		Common Stock Par Value	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Series A Preferred Stock	Series B Preferred Stock
Balance at Dec. 31, 2014	$ 1,975,168		$ 1,618	$ 2,049,152	$ (341,502)	$ 72,369	$ 193,531
Net income (loss)	(42,440)		0	0	(42,440)	0	0
Issuance of common stock	0		5	(5)	0	0	0
Amortization of share-based compensation	2,021		0	2,021	0	0	0
Repurchase and cancellation of common stock	(48,884)		(55)	(48,829)	0	0	0
Preferred dividends	(10,406)		0	0	(10,406)	0	0
Common dividends	(91,353)		0	0	(91,353)	0	0
Balance at Jun. 30, 2015	1,784,106		1,568	2,002,339	(485,701)	72,369	193,531
Balance at Dec. 31, 2015	1,694,614	[1]	1,517	1,946,419	(519,222)	72,369	193,531
Net income (loss)	117,541		0	0		0	0
Issuance of common stock	0		4	(4)	0	0	0
Amortization of share-based compensation	2,023		0	2,023	0	0	0
Repurchase and cancellation of common stock	(5,515)		(7)	(5,508)	0	0	0
Preferred dividends	(10,406)		0	0	(10,406)	0	0
Common dividends	(77,248)		0	0	(77,248)	0	0
Balance at Jun. 30, 2016	$ 1,721,009		$ 1,514	$ 1,942,930	$ (489,335)	$ 72,369	$ 193,531

[1] Derived from audited consolidated financial statements.

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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended			12 Months Ended			20 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016		Jun. 30, 2015	Dec. 31, 2015		Dec. 31, 2014	Jul. 20, 2014
Cash flows from operating activities:
Net income (loss)	$ (56,210)	$ 97,037	$ (117,541)		$ 42,440
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Amortization of share-based compensation			2,023		2,021
Amortization of premiums and discounts on investment securities			38,457		49,016
Amortization of premiums on interest rate cap contracts			8,750		8,750
Net realized (gain) loss on investments			(37,561)		(27,688)
Net unrealized (gain) loss on investments			(191,201)		101,210
Net realized and unrealized (gain) loss on derivative instruments			148,883		41,453
Net unrealized (gain) loss on FHLBC Advances	448	11	1,299		11
Change in assets and liabilities:
Interest receivable			2,103		343
Other assets			(574)		(221)
Accrued interest payable			(12,281)		(897)
Accrued expenses and other liabilities			774		(1,786)
Net cash provided by (used in) operating activities			78,213		129,772
Cash flows from investing activities:
Purchase of investment securities			(7,253,953)		(14,162,369)
Purchase of other investments			0		33,003
Proceeds from sale of available-for-sale investments			6,842,804		13,366,352
Proceeds from sale of other investments			19,000		0
Proceeds from paydowns of investment securities			865,015		1,034,696
Change in assets and liabilities:
Receivable for securities sold and principal repayments			1,083,337		(824,018)
Receivable for cash pledged as collateral			(75,558)		(14,405)
Payable for securities purchased			(823,355)		227,187
Payable for cash received as collateral			(13,708)		(47,667)
Net cash provided by (used in) investing activities			643,582		(453,227)
Cash flows from financing activities:
Proceeds from repurchase agreements			49,667,326		48,487,809
Repayments of repurchase agreements			(48,805,601)		(49,662,033)
Proceeds from FHLBC Advances			2,175,000		10,860,000
Repayments of FHLBC Advances			(3,700,000)		(9,210,000)
Net payments from repurchase of common stock			(5,515)		(48,884)	$ (87,700)		$ (1,500)	$ (115,700)
Net proceeds from issuance of preferred stock			0		0
Dividends paid			(49,805)		(57,841)
Net cash provided by (used in) financing activities			(718,595)		369,051
Net increase (decrease) in cash			3,200		45,596
Cash - Beginning of period			9,982	[1]	4,323	4,323
Cash - End of period	13,182	49,919	13,182		49,919	9,982	[1]	$ 4,323
Supplemental disclosures of cash flow information:
Interest paid (excluding interest paid on interest rate swaps)			37,549		21,133
Net interest paid on interest rate swaps			35,789		43,378
Income taxes paid			0		0
Supplemental disclosures of non-cash flow information:
Dividends declared, not paid	$ 42,259	$ 48,328	$ 42,259		$ 48,328	$ 4,410	[1]

[1] Derived from audited consolidated financial statements.

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Orginazation

6 Months Ended

Jun. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

ORGANIZATION

CYS Investments, Inc. (the "Company" "we", "us", and "our") was formed as a Maryland corporation on January 3, 2006, and commenced operations on February 10, 2006. The Company has elected to be taxed and intends to continue to qualify as a real estate investment trust ("REIT") and is required to comply with the provisions of the Internal Revenue Code of 1986, as amended (the "Code"), with respect thereto. The Company has primarily purchased residential mortgage-backed securities that are issued and the principal and interest of which are guaranteed by a federally chartered corporation ("Agency RMBS"), such as the Federal National Mortgage Association ("Fannie Mae") or the Federal Home Loan Mortgage Corporation ("Freddie Mac"), or an agency of the U.S. government such as the Government National Mortgage Association ("Ginnie Mae"), and debt securities issued by the United States Department of Treasury ("U.S. Treasuries"). The Company may also purchase collateralized mortgage obligations issued by a government agency or government-sponsored entity that are collateralized by Agency RMBS ("CMOs"), or securities issued by a government sponsored entity that are not backed by collateral but, in the case of government agencies, are backed by the full faith and credit of the U.S. government, and, in the case of government sponsored entities, are backed by the integrity and creditworthiness of the issuer ("U.S. Agency Debentures").

The Company’s common stock, Series A Cumulative Redeemable Preferred Stock, $25.00 liquidation preference (the "Series A Preferred Stock"), and Series B Cumulative Redeemable Preferred Stock, $25.00 liquidation preference (the "Series B Preferred Stock"), trade on the New York Stock Exchange under the symbols "CYS," "CYS PrA" and "CYS PrB," respectively.

In March 2015, our wholly-owned captive insurance subsidiary, CYS Insurance Services, LLC ("CYS Insurance"), was granted membership in the Federal Home Loan Bank ("FHLB") system, specifically in the FHLB of Cincinnati ("FHLBC"). Membership in the FHLBC obligates CYS Insurance to purchase FHLBC membership stock and activity stock, the latter being a percentage of the advances it obtains from the FHLBC. CYS Insurance seeks both short and long-term advances (collectively, "FHLBC Advances") from the FHLBC. On January 12, 2016, the Federal Housing Finance Agency ("FHFA") issued a final rule (the "Final Rule") amending its regulations governing FHLB Membership criteria for captive insurance companies. The Final Rule defines "insurance company" to exclude "captive insurers". Under this Final Rule, which became effective on February 19, 2016, CYS Insurance's membership in the FHLBC must be terminated within one year of the effective date and it will not be permitted to secure any new advances. As a result, all FHLBC Advances are required to be repaid no later than February 19, 2017. See Note 5, Repurchase Agreements and FHLBC Advances, for more information.

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Significant Accounting Policies

6 Months Ended

Jun. 30, 2016

Accounting Policies [Abstract]

Significant Accounting Policies

SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") and the instructions to Securities and Exchange Commission ("SEC") Form 10-Q and Article 10, Rule 10-01 of Regulation S-X. Accordingly, the financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. The unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements as of and for the year ended December 31, 2015, included in the 2015 Annual Report. The results for interim periods are not necessarily indicative of the results to be expected for the entire fiscal year.

The unaudited consolidated financial statements include the accounts of the Company and all of its subsidiaries. All intercompany balances and transactions have been eliminated. The unaudited consolidated financial statements of the Company have been prepared on the accrual basis of accounting in accordance with U.S. GAAP. The preparation of financial statements in conformity with U.S. GAAP requires management to make a number of estimates and assumptions that affect the amounts reported in the unaudited consolidated financial statements and accompanying footnotes. Actual results could differ from these estimates and the differences may be material.

Reclassification

Commencing with the report on Form 10-K for the year ended December 31, 2015, "Swap and cap interest expense", which up through September 30, 2015 was recognized as a separate component of " Total interest expense" in the consolidated statement of operations, is now recognized as a component of "Net gain (loss) on derivative instruments". This reclassification was made in order to record income, expenses and fair value changes related to derivative instruments in one line item in the consolidated statements of operations, consistent with common industry practice. Prior period balances have been reclassified to conform to the current period presentation.

Investments in Securities

The Company's investment securities are accounted for in accordance with the Financial Accounting Standards Board's ("FASB") Accounting Standards Codification ("ASC") 320—Investments—Debt and Equity Securities. The Company has chosen to make a fair value election pursuant to ASC 825—Financial Instruments for its securities and, therefore, our investment securities are recorded at fair market value on the consolidated balance sheets. Electing the fair value option requires the Company to record changes in fair value of our investments in the unaudited consolidated statements of operations (as a component of net unrealized gain (loss) on investments), which in management’s view, more appropriately reflects the results of operations for a particular reporting period as all securities activities will be recorded in a similar manner. These investments meet the requirements to be classified as available-for-sale under ASC 320.

The Company records security purchase and sale transactions, including forward settling transactions, on a trade date basis. Realized gains and losses on securities transactions are recorded on an identified cost basis.

Agency RMBS

The Company’s investments in Agency RMBS consist of pass-through certificates backed by fixed-rate, monthly-reset adjustable-rate loans ("ARMs") and hybrid ARMs, the principal and interest of which are guaranteed by Fannie Mae, Freddie Mac or Ginnie Mae. Hybrid ARMs have interest rates that have an initial fixed period (typically three, five, seven or ten years) and thereafter reset at regular intervals in a manner similar to ARMs.

Forward Settling Transactions

The Company engages in forward settling transactions to purchase or sell certain securities. Agency RMBS may include forward contracts for Agency RMBS purchases or sales of specified pools on a to-be-announced basis ("TBA Securities") that meet the regular-way scope exception in ASC 815—Derivatives and Hedging ("ASC 815"), and are recorded on a trade date basis to the extent it is probable that we will take or make timely physical delivery of the related securities. The Company maintains security positions such that sufficiently liquid assets will be available to make payment on the settlement date for securities purchased. The Agency RMBS purchased at the forward settlement date are typically priced at a discount to securities for settlement in the current month. Securities purchased on a forward settling basis are carried at fair value and begin earning interest on the settlement date. Gains or losses may occur on these transactions due to changes in market conditions or the failure of counterparties to perform under the contract. See Note 7, Pledged Assets, for disclosure regarding the fair value of collateral pledged or received on forward settling transactions.

Investment Valuation

The Company's pricing committee is responsible for establishing valuation policies and procedures, as well as reviewing and approving valuations during monthly pricing meetings. The pricing committee is composed of individuals from the finance and investment teams and other members of senior management.

Agency RMBS, U.S. Agency Debentures and U.S. Treasuries are generally valued based on prices provided by third-party services and derived from such services’ pricing models. Inputs to the models may include, but are not limited to, reported trades, executable bid and ask prices, broker quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and/or economic events. The pricing services may also use a matrix approach, which uses information regarding securities with similar characteristics to determine the valuation for a security.

We generally value interest rate swaps and caps using prices provided by broker quotations. Such broker quotations are based on the present value of fixed and projected floating rate cash flows over the term of the swap contract. Future cash flows are discounted to present value using swap rates provided by electronic data services or by brokers.

All valuations from third-party pricing services or broker quotes are non-binding. The pricing committee reviews all prices. To date, the Company has not adjusted any of the prices received from third-party pricing services or brokers. Our pricing review includes comparisons of similar market transactions, alternative third-party pricing services and broker quotes, or comparisons to a pricing model. To ensure proper characterization within the fair value hierarchy in ASC 820, Fair Value Measurement ("ASC 820"), the Company reviews the third-party pricing services methodologies periodically to ascertain which observable or unobservable inputs are being used. See Note 8, Fair Value Measurements, for a discussion of how the Company values its assets.

Derivative Instruments

Included in Derivative Instruments are interest rate swaps and interest rate caps and TBA Derivatives (defined below).

The Company uses interest rate swaps and interest rate caps to economically hedge a portion of its exposure to market risks, including interest rate and extension risk. The objective of our risk management strategy is to reduce fluctuations in stockholders’ equity over a range of interest rate scenarios. In particular, we attempt to manage the risk of the cost of our variable rate liabilities increasing during a period of rising interest rates.

During the term of an interest rate swap or cap (a "swap" or "cap", respectively), the Company makes or receives periodic payments and records unrealized gains or losses as a result of marking the swap or cap to fair value. When the Company terminates a swap or cap, we record a realized gain or loss equal to the difference between the proceeds from (or the cost of) closing the transaction and the Company's cost basis in the contract, if any. We report the periodic payments and amortization of premiums on cap contracts under swap and cap interest expense in the accompanying unaudited consolidated statements of operations. Swaps involve a risk that interest rates will move contrary to the Company’s expectations, thereby increasing the Company’s payment obligation.

The Company's interest rate swap and cap contracts may be subject to a master netting arrangement ("MNA"). The Company is exposed to credit loss in the event of non-performance by the counterparty to the swap or cap limited to the fair value of collateral posted in excess of the fair value of the contract in a net liability position and the shortage of the fair value of collateral posted for the contract in a net asset position. As of June 30, 2016 and December 31, 2015, the Company did not anticipate non-performance by any counterparty. Should interest rates move contrary to the Company's expectations, the Company may not achieve the anticipated benefits of the interest rate swap or cap and may realize a loss.

While the Company's derivative agreements generally permit netting or setting off derivative assets and liabilities with the counterparty, the Company reports derivative assets and liabilities on a gross basis in the accompanying consolidated balance sheets. Derivatives are accounted for in accordance with ASC 815 which requires recognition of all derivatives as either assets or liabilities at fair value in the accompanying consolidated balance sheets with changes in fair value recognized in the accompanying consolidated statements of operations in "Net realized and unrealized gain (loss) on derivative instruments". Cash receipts and payments related to derivative instruments are classified in the accompanying unaudited consolidated statements of cash flows in accordance with U.S. GAAP in both the operating and investing activities sections.

The Company enters into TBA dollar roll transactions whereby the Company is not contractually obligated to accept delivery on the settlement date ("TBA Derivatives"). TBA Derivatives are accounted for as a series of derivative transactions. The fair value of TBA Derivatives is based on similar methods used to value Agency RMBS with gains and losses recorded in Net realized and unrealized gains (losses) on derivative instruments in the accompanying consolidated statements of operations. TBA Derivative transactions involve moving the settlement of a TBA contract out to a later date by entering into an offsetting short position (referred to as a "pair off"), net settling the paired off positions for cash, and simultaneously purchasing a similar TBA contract for a later settlement date.  The Company records such pair offs on a gross basis such that there is a sale of the original TBA Derivative and a subsequent purchase of a new TBA Derivative. 

None of the Company's derivatives have been designated as hedging instruments for accounting purposes. Effective January 1, 2016, the Company recognized all TBAs that do not qualify for the regular-way scope exception under ASC 815 as derivatives.

Interest Income

We record interest income and expense on an accrual basis. We accrue interest income based on the outstanding principal amount of the securities and their contractual terms. We amortize premiums and discounts using the effective interest method, and this net amortization is either accretive to or a reduction of interest income from Agency RMBS in the Company's unaudited consolidated statements of operations. The Company does not estimate prepayments when calculating the yield to maturity on Agency RMBS. We record the amount of premium or discount associated with a prepayment through interest income from Agency RMBS in the accompanying unaudited consolidated statements of operations as it occurs.

Other Investments

CYS Insurance, is a member of, and owns capital stock in, the FHLBC. As a condition of its membership in the FHLBC, CYS Insurance is required to maintain FHLBC stock, both for membership and for the level of advances from the FHLBC to CYS Insurance. The Company accounts for its investment in FHLBC stock as a cost method investment in "Other investments" in the accompanying consolidated balance sheets in accordance with ASC 325, Investments - Other. The Company periodically evaluates FHLBC stock for impairment in accordance with ASC 320—Investments—Debt and Equity Securities. Also included in other investments is a real estate asset which is recorded at fair value.

Repurchase Agreements and FHLBC Advances

Borrowings under repurchase agreements ("repo borrowings") and FHLBC Advances are collateralized by the Company’s Agency RMBS and U.S. Treasuries (collectively, "Debt Securities"). The Company’s repo borrowing counterparties are institutional dealers in fixed income securities and large financial institutions, and CYS Insurance's counterparty for FHLBC Advances is the FHLBC. Collateral pledged on repo borrowings is valued daily, and on FHLBC Advances periodically, and our counterparties (including the FHLBC) may require posting of additional collateral when the fair value of pledged collateral declines. Repo borrowing counterparties and the FHLBC have the right to sell or repledge collateral pledged under repo borrowings and FHLBC Advances.

We account for our repo borrowings as short-term indebtedness under ASC 470—Debt; accordingly, these short-term instruments are accounted in our financial statements and carried at their amortized cost, which approximates fair value due to their short-term nature.

Also, we have entered into FHLBC Advances that may have an initial maturity of more than one year that are collateralized by the Company's Debt Securities. The Company has chosen to make a fair value election pursuant to ASC 825—Financial Instruments for FHLBC Advances with initial terms greater than one year and, therefore, this debt is recorded at fair market value in the accompanying consolidated balance sheets. The unpaid principal balance of FHLBC Advances with initial maturities less than one year generally approximate fair value due to the short-term nature of the instruments. We price FHLBC Advances with an initial maturity greater than one year daily through a pricing service that uses a discounted cash flow model to value the debt, and periodically we validate the prices we receive through this process. The changes in fair market value are recorded in current period earnings in the accompanying unaudited consolidated statements of operations as a component of net unrealized gain (loss) on FHLBC Advances. Electing the fair value option permits the Company to record changes in the fair value of our FHLBC Advances along with that of our investments in the consolidated statements of operations which, in management’s view, more appropriately reflects the results of operations for a particular reporting period as all income producing assets and liabilities are recognized in a consistent manner.

Recent Accounting Pronouncements

The following table provides a brief description of recent accounting pronouncements that could potentially impact the Company's consolidated financial statements:

Accounting Standard	Description	Required Date of Adoption	Anticipated Effect on the Financial Statements
ASU 2016-02 Leases (Topic 842)	The amendments require lessees to recognize a right-of-use asset and a liability to make lease payments in the balance sheets for most leases.  The accounting for lessors is largely unchanged.	January 1, 2019 (early adoption permitted)	Not expected to have a significant impact on the consolidated financial statements.
ASU 2016-01 Financial Instruments - Overall (Subtopic 825-10) Recognition and Measurement of Financial Assets and Financial Liabilities	The amendments address certain aspects of recognition, measurement, presentation, and disclosure of financial instruments.	January 1, 2018 (early adoption permitted for a provision related to presentation of instrument-specific credit risk of liabilities accounted for under the fair value option)	Not expected to have a significant impact on the consolidated financial statements.
ASU 2016-09, Compensation — Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting (issued March 30, 2016)	The amendment simplifies several aspects of the accounting for employee share-based payment transactions for both public and nonpublic entities, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows.	December 15, 2016 (early adoption permitted)	This standard is not expected to change the way the Company accounts for share-based payments to employees or directors.

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Investments in Securities

6 Months Ended

Jun. 30, 2016

Available-for-sale Securities [Abstract]

Investments in Securities and Other Assets

INVESTMENTS IN SECURITIES

The available-for-sale portfolio consisted of the following as of June 30, 2016 and December 31, 2015 (in thousands):    

June 30, 2016
Asset Type	Amortized Cost		Gross Unrealized Loss			Gross Unrealized Gain		Fair Value
Fannie Mae Certificates
Fixed Rate	$	9,902,622	$	—		$	192,392	$	10,095,014
ARMs	274,907		—			3,707		278,614
Total Fannie Mae	10,177,529		—			196,099		10,373,628
Freddie Mac Certificates
Fixed Rate	1,406,092		(7		)	29,019		1,435,104
ARMs	28,752		—			808		29,560
Total Freddie Mac	1,434,844		(7		)	29,827		1,464,664
Ginnie Mae Certificates - ARMs	41,016		—			625		41,641
Total Agency RMBS	11,653,389		(7		)	226,551		11,879,933
U.S. Treasuries	881,059		—			3,154		884,213
Total	$	12,534,448	$	(7	)	$	229,705	$	12,764,146
December 31, 2015
Asset Type	Amortized Cost		Gross Unrealized Loss			Gross Unrealized Gain		Fair Value
Fannie Mae Certificates
Fixed Rate	$	11,142,798	$	(45,018	)	$	74,891	$	11,172,671
ARMs	260,394		(1,859		)	1,860		260,395
Total Fannie Mae	11,403,192		(46,877		)	76,751		11,433,066
Freddie Mac Certificates
Fixed Rate	1,379,566		(3,881		)	11,822		1,387,507
ARMs	60,821		(727		)	749		60,843
Total Freddie Mac	1,440,387		(4,608		)	12,571		1,448,350
Ginnie Mae Certificates - ARMs	45,784		—			796		46,580
Total Agency RMBS	12,889,363		(51,485		)	90,118		12,927,996
U.S. Treasuries	99,847		(136		)	—		99,711
Total	$	12,989,210	$	(51,621	)	$	90,118	$	13,027,707

The following table presents the gross unrealized loss and fair values of our available-for-sale Agency RMBS by length of time that such securities have been in a continuous unrealized loss position as of June 30, 2016 and December 31, 2015 (in thousands):

	Unrealized loss positions for
	Less than 12 Months					Greater than 12 months					Total
As of	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
June 30, 2016	$	3,581	$	(7	)	$	—	$	—		$	3,581	$	(7	)
December 31, 2015	6,718,658		(50,318		)	86,300		(1,303		)	6,804,958		(51,621		)

The following table summarizes our net realized gain (loss) from the sale of available-for-sale investments for the three and six months endedJune 30, 2016 and 2015 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Available-for-sale investments, at cost	$	5,408,055		$	7,338,701		$	6,805,243		$	13,338,664
Proceeds from sale of available-for-sale investments	5,444,414			7,348,136			6,842,804			13,366,352
Net realized gain (loss) on sale of available-for-sale investments	$	36,359		$	9,435		37,561			27,688
Gross gain on sale of available-for-sale investments	$	36,743		$	28,403		42,126			62,382
Gross (loss) on sale of available-for-sale investments	(384		)	(18,968		)	(4,565		)	(34,694		)
Net realized gain (loss) on sale of available-for-sale investments	$	36,359		$	9,435		$	37,561		$	27,688

The components of the carrying value of available-for-sale securities at June 30, 2016 and December 31, 2015 are presented below. A premium purchase price is generally due to the average coupon interest rates on these investments being higher than prevailing market rates; similarly, a discount purchase price is generally due to the average coupon interest rate on these investments being lower than prevailing market rates.

(in thousands)	June 30, 2016			December 31, 2015
Principal balance	$	12,108,771		$	12,527,932
Unamortized premium	425,792			462,631
Unamortized discount	(115		)	(273		)
Gross unrealized gains	229,705			89,038
Gross unrealized losses	(7		)	(51,621		)
Fair value	$	12,764,146		$	13,027,707

The weighted-average coupon interest rate on the Company's Debt Securities as of June 30, 2016 and December 31, 2015 was 3.15% and 3.39%, respectively. Actual maturities of Agency RMBS are generally shorter than their stated contractual maturities (which range up to 30 years), because they are affected by the contractual lives of the underlying mortgages, periodic payments and principal prepayments.

As of June 30, 2016 and December 31, 2015, the range of final contractual maturities of the Company’s Agency RMBS portfolio was between 2024 and 2046, and the final maturities of the Company's U.S. Treasuries was 2019 and 2017, respectively.

Credit Risk

The Company believes it has minimal exposure to credit losses on its investment securities assets at June 30, 2016 and December 31, 2015 because it principally owns Debt Securities. Principal and interest payments on Agency RMBS are guaranteed by Freddie Mac and Fannie Mae, while principal and interest payments on Ginnie Mae RMBS and U.S. Treasuries are backed by the full faith and credit of the U.S. government.

In September 2008, both Freddie Mac and Fannie Mae were placed in the conservatorship of the U.S. government. On August 5, 2011, Standard & Poor’s ("S&P") downgraded the U.S. government’s credit rating for the first time to AA+. Fitch Ratings Inc. ("Fitch") announced on October 15, 2013 that it had placed the U.S. government's credit rating on "negative watch". This was changed to "stable" on March 21, 2014 and Fitch reaffirmed the "stable outlook" on April 12, 2016. As of June 30, 2016 and December 31, 2015, S&P maintained a AA+ rating, while Fitch and Moody's rate the U.S. government AAA and Aaa, respectively. Because Fannie Mae and Freddie Mac remain under U.S. government conservatorship, the implied credit ratings of Agency RMBS are similarly rated. While the conservatorship, ratings downgrade and ratings watch appear not to have had a significant impact on the fair value of the Agency RMBS or U.S. Treasuries in the Company’s portfolio, these developments create a level of uncertainty regarding the credit risk of Debt Securities.

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Derivative Instruments

6 Months Ended

Jun. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Fair Value [Text Block]

The Company enters into interest rate swap and cap contracts with the intent of managing our interest rate exposure. The Company had the following activity in interest rate swap and cap transactions during the six months ended June 30, 2016 and 2015 (in thousands):

June 30, 2016					June 30, 2015
Trade Date	Transaction	Notional			Trade Date	Transaction	Notional
January 2016	Terminated	$	(500,000	)	January 2015	Terminated	$	(400,000	)
May 2016	Terminated	(2,200,000		)	January 2015	Opened	$	500,000
May 2016	Opened	1,700,000			April 2015	Terminated	$	(400,000	)
Net Decrease		$	(1,000,000	)	Net Decrease		$	(300,000	)

As of June 30, 2016 and December 31, 2015, the Company had pledged Debt Securities with a fair value of $73.5 million and $50.7 million, respectively, as collateral on interest rate swap and cap contracts. As of June 30, 2016 and December 31, 2015, the Company had pledged cash of $97.3 million and $21.8 million, respectively, as collateral on interest rate swap and cap contracts. As of June 30, 2016, the Company had Debt Securities of $7.3 million and cash of $4.8 million pledged to it as collateral for its derivative instruments. As of December 31, 2015, the Company had Debt Securities of $44.1 million and cash of $18.5 million pledged to it as collateral for its interest rate swap and cap contracts. The table below summarizes fair value information about our derivative and other hedging instrument assets and liabilities as of June 30, 2016 and December 31, 2015 (in thousands):

		June 30, 2016					December 31, 2015
Derivative and Other Hedging Instruments - Assets	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative assets, at fair value	$	—	$	—		$	5,900,000	$	39,435
Interest Rate Caps	Derivative assets, at fair value	2,500,000		16,021			2,500,000		61,343
TBA Derivatives	Derivative assets, at fair value	1,156,000		8,629			—		—
Total derivative assets at fair value		3,656,000		24,650			8,400,000		100,778
Derivative and Other Hedging Instruments - Liabilities	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative liabilities, at fair value	$	6,950,000	$	(91,607	)	$	2,050,000	$	(14,024	)
Interest Rate Caps	Derivative liabilities, at fair value	—		—			—		—
TBA Derivatives	Derivative liabilities, at fair value	350,000		(3,922		)	—		—
Total derivative liabilities at fair value		7,300,000		(95,529		)	2,050,000		(14,024		)

The average notional value of the Company's TBA Derivatives during the three and six months endedJune 30, 2016 was $1,103.5 million and $1,299.0 million, respectively.

The following table presents information about the net realized and unrealized gain (loss) on swap, cap and TBA Derivatives for the three and six months endedJune 30, 2016 and 2015 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
Derivative Instrument Type	Location of Gain (Loss) on Derivative Instruments	2016			2015			2016			2015
Interest rate swaps and caps	Swap and cap interest expense	$	(14,779	)	$	(24,992	)	$	(33,177	)	$	(52,460	)
Interest rate swaps, caps and TBA Derivatives	Net realized and unrealized gain (loss) on derivative instruments	(44,535		)	31,047			(185,059		)	(46,321		)
Interest rate swaps, caps and TBA Derivatives	Net gain (loss) on derivative instruments	(59,314		)	6,055			$	(218,236	)	$	(98,781	)

The swap and cap notional was $9,450.0 million at June 30, 2016 compared to $10,450.0 million at December 31, 2015, and respectively 90.7% and 94.3% of our repo borrowings and FHLB Advances at June 30, 2016 and December 31, 2015.

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Repurchase Agreements and FHLB Advances

6 Months Ended

Jun. 30, 2016

Banking and Thrift [Abstract]

Repurchase Agreements

REPURCHASE AGREEMENTS AND FHLBC ADVANCES

The Company leverages its Debt Securities portfolio primarily through repo borrowings and FHLBC Advances. Each of the Company's repo borrowings bears interest at a rate based on a spread above or below the London Interbank Offered Rate ("LIBOR"). The interest rates for FHLBC Advances are set by the FHLBC. While repo borrowings and FHLBC Advances are the Company's principal source of borrowings, the Company may issue long-term debt (i.e., debt with an initial term greater than one year) to diversify credit sources and to manage interest rate and duration risk.

Certain information with respect to the Company’s repo borrowings and FHLBC Advances outstanding at the balance sheet dates is summarized in the table below.

(in thousands)	June 30, 2016			December 31, 2015
Outstanding repurchase agreements	$	9,849,501		$	8,987,776
Outstanding FHLBC Advances(1)	$	575,000		$	2,098,701
Interest accrued thereon	$	6,465		$	7,383
Weighted-average borrowing rate	0.68		%	0.54		%
Weighted-average remaining maturity (in days)	56.1			42.2
Fair value of pledged collateral(2)	$	10,905,020		$	11,548,930

 __________________

(1) At June 30, 2016, the Company had $575.0 million of FHLBC Advances that are required to be repaid on or prior to February 19, 2017.

(2) Collateral for repo borrowings and FHLBC Advances consists of Agency RMBS and U.S. Treasuries.

The following table presents the remaining contractual maturity of the repo borrowings and FHLBC Advances by collateral type as of June 30, 2016 and December 31, 2015 (in thousands):

	Remaining contractual maturity
June 30, 2016		Up to 30 days		30-90 days		Greater than 90 days		Total
Agency RMBS		$	5,230,876	$	2,759,063	$	1,585,443	$	9,575,382
U.S. Treasuries		849,119		—		—		849,119
Total		$	6,079,995	$	2,759,063	$	1,585,443	$	10,424,501
December 31, 2015
Agency RMBS		$	7,579,885	$	2,235,246	$	924,394	$	10,739,525
U.S. Treasuries		348,251		—		—		348,251
Total		$	7,928,136	$	2,235,246	$	924,394	$	11,087,776

At June 30, 2016 and December 31, 2015, our amount at risk with any individual counterparty related to our repo borrowings or FHLBC Advances was less than 2.1% and 2.3% of stockholders' equity, respectively, and our repo borrowings or FHLBC Advances with any individual counterparty were less than 6.3% and 14.7% of our total assets, respectively. The amount at risk is defined as the excess of the fair value of the securities, including accrued interest, and cash, pledged to secure the repurchase agreement, over the amount of the repurchase agreement liability adjusted for accrued interest.

Prior to the issuance of the Final Rule on January 12, 2016, pursuant to the FHLBC terms and conditions of membership and applicable credit policies, CYS Insurance was able to obtain long-term advances, secured by eligible collateral, including, but not limited to, residential mortgage-backed securities. At June 30, 2016, we had $350.0 million in FHLBC Advances at fair value with initial maturities greater than one year with a related $0.4 million of accrued interest expense in the accompanying consolidated balance sheets. These advances had an original term of three years, a weighted average interest rate of 1.49%, and a remaining maturity of 0.6 years at June 30, 2016. These are callable after the one-year anniversary of the advance and thereafter every six months. As a direct result of the Final Rule, all FHLBC Advances are now required to be repaid on or before February 19, 2017. At December 31, 2015, we had $423.7 million in FHLBC Advances at fair value with initial maturities greater than one year with a related $0.5 million accrued interest expense in the accompanying consolidated balance sheets.    

The FHLBC requires that CYS Insurance purchase and hold activity stock in the FHLBC in an amount equal to a specified percentage of outstanding FHLBC Advances. As of June 30, 2016 and December 31, 2015, CYS Insurance held a combined total of $23.0 million and $42.0 million in FHLBC membership and activity stock that is included in "Other investments" in the accompanying unaudited consolidated balance sheets.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

The Company enters into certain agreements that contain a variety of indemnifications, principally with broker-dealers. As of June 30, 2016 and December 31, 2015, no claims have been asserted against the Company under these indemnification agreements. Accordingly, the Company has no liabilities recorded for these agreements as of June 30, 2016 and December 31, 2015.

The Company occupied leased office space for which the term expired on June 30, 2016. In September 2015, the Company entered into a new lease agreement with a commencement date of January 1, 2016, and an estimated rent commencement date of July 1, 2016 (the "New Lease"). The New Lease has an initial term of 84 months from the rent commencement date. Both leases have been classified as operating leases. The Company’s aggregate future minimum lease payments total approximately $2.7 million.  The following table details the lease payments (in thousands):

Years Ending December 31,	Lease Commitments
2016 (remaining)	$	196
2017	353
2018	363
2019	373
2020	383
Thereafter	998
	$	2,666

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Pledged Assets

6 Months Ended

Jun. 30, 2016

Transfers and Servicing [Abstract]

Pledged Assets

PLEDGED ASSETS

Assets Pledged to Counterparties

The following tables summarize our assets pledged as collateral under our repo borrowings, FHLBC Advances, and derivative instruments by type, including securities pledged related to securities purchased or sold but not yet settled, as of June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016
Asset Type	Repurchase Agreements and FHLBC Advances		Derivative Instruments		Forward Settling Trades (TBAs) (1)		Total
Agency RMBS - fair value	$	10,061,237	$	45,550	$	—	$	10,106,787
U.S. Treasuries - fair value	854,217		31,810		—		886,027
Accrued interest on pledged securities	27,596		154		—		27,750
Cash	—		97,309		—		97,309
Total	$	10,943,050	$	174,823	$	—	$	11,117,873

December 31, 2015
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)		Total
Agency RMBS - fair value	$	11,547,098	$	37,657	$	2,259	$	11,587,014
U.S. Treasuries - fair value	1,832		13,054		—		14,886
Accrued interest on pledged securities	30,890		196		5		31,091
Cash	—		21,751		—		21,751
Total	$	11,579,820	$	72,658	$	2,264	$	11,654,742

 __________________

(1) Excludes forward settling transactions classified as TBA Derivatives which are included in derivative instruments effective January 1, 2016.

Assets Pledged from Counterparties

If the estimated fair value of our investment securities pledged as collateral increases due to changes in interest rates or other factors, we may require counterparties to return collateral to us, which may be in the form of identical or similar securities, or cash. As of June 30, 2016 and December 31, 2015, we had assets pledged to us as collateral under our repurchase agreements, derivative agreements and TBAs as summarized in the tables below (in thousands):

June 30, 2016
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)(1)		Total
Agency RMBS - fair value	$	5,085	$	—	$	—	$	5,085
U.S. Treasuries - fair value	5,350		7,269		—		12,619
Accrued interest on pledged securities	37		44		—		81
Cash	—		4,826		—		4,826
Total	$	10,472	$	12,139	$	—	$	22,611

December 31, 2015
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)		Total
U.S. Treasuries - fair value	—		44,143		—		44,143
Accrued interest on pledged securities	—		209		—		209
Cash	—		18,534		—		18,534
Total	$	—	$	62,886	$	—	$	62,886

 __________________

(1) Excludes forward settling transactions classified as TBA Derivatives which are included in derivative instruments effective January 1, 2016.

Cash collateral received is recognized in "Cash" with a corresponding amount recognized in "Payable for cash received as collateral" in the accompanying consolidated balance sheets. The Company's collateral received in the form of securities from counterparties is disclosed in Note 4, Derivative Instruments.

The Company’s Master Repurchase Agreements and ISDA Master Agreements (together, the “Master Agreements”) generally provide (unless specified otherwise) that the Company may sell, pledge, rehypothecate, assign, invest, use, commingle, dispose of, or otherwise use in its business any posted collateral it holds, free from any claim or right of any nature whatsoever of the counterparty.  As of June 30, 2016, $12.6 million of assets were pledged to the Company under the Master Agreements, of which $1.8 million were pledged by the Company to other counterparties at June 30, 2016.  Since title to these assets remain with the counterparty under the Master Agreements, none of these assets are reflected in the accompanying consolidated balance sheets.

Offsetting Assets and Liabilities

Certain of our repurchase agreements and derivative transactions are governed by underlying agreements that generally provide for a right of offset under MNAs (or similar agreements), including in the event of default or in the event of bankruptcy of either party to the transactions. Under U.S. GAAP, if the Company has a contractual right of offset, the Company may offset the related asset and liability and report the net amount in the accompanying consolidated balance sheets. However, the Company reports amounts subject to its Master Repurchase Agreements ("MRAs") and International Standard Derivative Association ("ISDA") Agreements in the consolidated balance sheets on a gross basis without regard to such rights of offset.

At June 30, 2016 and December 31, 2015, the Company's derivative assets and liabilities (by type) are as follows (in thousands):

June 30, 2016	Assets		Liabilities
Interest rate swap contracts	$	—	$	91,607
Interest rate cap contracts	16,021		—
TBA derivatives	8,629		3,922
Total derivative assets and liabilities	24,650		95,529
Derivatives not subject to a Master Netting Agreement	—		84,996
Total assets and liabilities subject to a Master Netting Agreement	$	24,650	$	10,533
December 31, 2015	Assets		Liabilities
Interest rate swap contracts	$	39,435	$	14,024
Interest rate cap contracts	61,343		—
Total derivative assets and liabilities	100,778		14,024
Derivatives not subject to a Master Netting Agreements	25,151		14,024
Total assets and liabilities subject to a Master Netting Agreement	$	75,627	$	—

Below are summaries of the Company's assets and liabilities subject to offsetting provisions (in thousands):

Assets				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Assets Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Received(1)		Net Amount(2)
June 30, 2016	Derivative assets	$	24,650	$	2,117	$	9,581	$	12,952
December 31, 2015	Derivative assets	75,627		—		59,907		15,720

Liabilities				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Liabilities Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Pledged(1)		Net Amount(2)
June 30, 2016	Derivative liabilities	$	10,533	$	2,117	$	8,416	$	—
June 30, 2016	Repurchase agreements and FHLBC Advances	10,424,501		23,003		10,401,498		—
December 31, 2015	Derivative liabilities	—		—		—		—
December 31, 2015	Repurchase agreements and FHLBC Advances	11,086,477		42,003		11,044,474		—

______________

(1) Collateral consists of Agency RMBS, U.S. Treasuries and Cash. Excess collateral pledged is not shown for financial reporting purposes.

(2) Net amount represents the net amount receivable (in the case of assets) and payable (in the case of liabilities) to the counterparty in the event of default.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

The Company’s valuation techniques are based on observable and unobservable inputs. ASC 820 establishes a fair value hierarchy that prioritizes and ranks the level of market price observability used in measuring financial instruments. Market price observability is affected by a number of factors, including the type of financial instrument, the characteristics specific to the financial instrument, and the state of the marketplace, including the existence and transparency of transactions between market participants. Financial instruments with readily available quoted prices in active markets generally will have a higher degree of market price observability and a lesser degree of judgment used in measuring fair value.

Financial instruments measured and reported at fair value are classified and disclosed based on the observability of inputs used in the determination, as follows:

Level 1: Generally includes only unadjusted quoted prices that are available in active markets for identical financial instruments as of the reporting date.

Level 2: Pricing inputs include quoted prices in active markets for similar instruments, quoted prices in less active or inactive markets for identical or similar instruments where multiple price quotes can be obtained, and other observable inputs, such as interest rates and yield curves.

Level 3: Pricing inputs are unobservable for the financial instruments and include situations where there is little, if any, market activity for the financial instrument. These inputs require significant judgment or estimation by management when determining fair value and generally represent anything that does not meet the criteria of Levels 1 and 2.

The estimated value of each asset reported at fair value using Level 3 inputs is approved by an internal committee composed of members of senior management, including our Chief Executive Officer, Chief Financial Officer, and other senior officers.

Excluded from the tables below are short-term financial instruments carried in our consolidated financial statements at cost basis, which is deemed to approximate fair value, primarily due to the short duration of these instruments, including cash, receivables, payables, repo borrowings and FHLBC Advances with initial terms of one year or less.

We generally value interest rate swaps and caps using prices provided by broker quotations. Such broker quotations are based on the present value of fixed and projected floating rate cash flows over the term of the swap contract. Future cash flows are discounted to present value using swap rates provided by electronic data services or by brokers.

"Other investments" is comprised of our investment in FHLBC stock and our investment in a real estate asset. Investment in real estate is considered to be a Level 3 asset to which we periodically apply valuation techniques and/or impairment analysis. FHLBC stock of approximately $23.0 million and $42.0 million at June 30, 2016 and December 31, 2015, respectively, is excluded from Other investments in the table below as the Company accounts for this investment as a cost method investment and periodically evaluates it for impairment.

The following tables provide a summary of the Company’s assets and liabilities that are measured at fair value on a recurring basis, as of June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total
Assets
Agency RMBS	$	—	$	11,879,933	$	—	$	11,879,933
U.S. Treasuries	884,213		—		—		884,213
Other investments	—		—		8,025		8,025
Derivative assets	—		24,650		—		24,650
Total	$	884,213	$	11,904,583	$	8,025	$	12,796,821
Liabilities
FHLBC Advances	—		350,000		—		350,000
Derivative liabilities	—		95,529		—		95,529
Total	$	—	$	445,529	$	—	$	445,529

December 31, 2015	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total
Assets
Agency RMBS	$	—	$	12,927,996	$	—	$	12,927,996
U.S. Treasuries	99,711		—		—		99,711
Other investments	—		—		8,025		8,025
Derivative assets	—		100,778		—		100,778
Total	$	99,711	$	13,028,774	$	8,025	$	13,136,510
Liabilities
FHLBC Advances	—		423,701		—		423,701
Derivative liabilities	—		14,024		—		14,024
Total	$	—	$	437,725	$	—	$	437,725

The table below presents a reconciliation of changes in Other investments classified as Level 3 and measured at fair value on a recurring basis in the accompanying consolidated balance sheets for the three and six months ended June 30, 2016 and 2015.

Level 3 Fair Value Reconciliation
(In thousands)	Three and Six Months Ended June 30,
Other investments	2016		2015
Beginning balance Level 3 assets	$	8,025	$	8,025
Change in net unrealized gain (loss)	—		—
Gross purchases	—		—
Gross sales	—		—
Net gain (loss) on sales	—		—
Transfers into (out of) Level 3	—		—
Ending balance Level 3 assets	$	8,025	$	8,025

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Stockholders' Equity

6 Months Ended

Jun. 30, 2016

Stockholders' Equity Note [Abstract]

Share Capital

The Company has authorized 500,000,000 shares of common stock having par value of $0.01 per share. As of June 30, 2016 and December 31, 2015, the Company had issued and outstanding 151,394,016 and 151,739,840 shares of common stock, respectively.

The Company has authorized 50,000,000 shares of preferred stock having a par value of $0.01 per share. As of June 30, 2016 and December 31, 2015, 3,000,000 shares of 7.75% Series A Cumulative Redeemable Preferred Stock ($25.00 liquidation preference) were issued and outstanding. As of June 30, 2016 and December 31, 2015, 8,000,000 shares of 7.50% Series B Cumulative Redeemable Preferred Stock ($25.00 liquidation preference) were issued and outstanding. The Series A Preferred Stock and Series B Preferred Stock is not redeemable before August 3, 2017 and April 30, 2018, respectively, except under circumstances where it is necessary to preserve the Company's qualification as a REIT, for federal income tax purposes, or the occurrence of a change of control. On or after August 3, 2017 and April 30, 2018, the Company may, at its option, redeem any or all of the shares of the Series A Preferred Stock and Series B Preferred Stock, respectively, at $25.00 per share plus any accumulated and unpaid dividends to, but not including, the respective redemption date. The Series A Preferred Stock and Series B Preferred Stock have no stated maturity, and are not subject to a sinking fund requirement or mandatory redemption.

Equity Offerings

On May 23, 2014, the Company filed an automatically effective shelf registration statement on Form S-3 with the SEC. The Company may offer and sell, from time to time, shares of common stock, preferred stock and debt securities in one or more offerings pursuant to the prospectus that is a part of the registration statement. As of June 30, 2016, the Company had not issued any shares of common stock, preferred stock or debt securities under the prospectus.

Dividend Reinvestment and Direct Stock Purchase Plan ("DSPP")

The Company sponsors a dividend reinvestment and direct stock purchase plan through which stockholders may purchase additional shares of common stock by reinvesting some or all cash dividends received on shares of common stock. Stockholders may also make optional cash purchases of shares of common stock subject to certain limitations detailed in the plan prospectus. For the six months ended June 30, 2016 and 2015 the Company did not issue any shares under the plan. As of June 30, 2016 and December 31, 2015, there were approximately 4.1 million shares available for issuance under the plan.

Share Repurchase Program

On November 15, 2012, the Company announced that its Board of Directors authorized the repurchase of shares of the Company’s common stock having an aggregate value of up to $250 million. Pursuant to this program, through July 20, 2014, the Company repurchased approximately $115.7 million in aggregate value of its shares of common stock on the open market. On July 21, 2014, the Company announced that its Board of Directors authorized the repurchase of shares of the Company's common stock having an aggregate value of up to $250 million, which included approximately $134.3 million available for repurchase under the November 2012 authorization. Subsequently, during 2014 we repurchased 172,549 shares with a weighted average purchase price of $8.88 per share for an aggregate of approximately $1.5 million and for the year ended December 31, 2015, the Company repurchased 10,559,493 shares with a weighted average purchase price of $8.28 per share for an aggregate of approximately $87.7 million. For the six months ended June 30, 2016, we repurchased 673,166 shares of the Company's common stock at a weighted-average purchase price of $7.85 per share, for an aggregate of approximately $5.3 million. For the six months ended June 30, 2015, we repurchased 5,436,157 shares of the Company's common stock at a weighted-average purchase price of $8.93, for an aggregate of approximately $48.7 million. Accordingly, the Company was authorized to repurchase shares of its common stock of approximately $155.5 million and $199.8 million as of June 30, 2016 and June 30, 2015, respectively.

Restricted Stock Awards

For the six months ended June 30, 2016 and 2015, the Company granted 357,349 and 459,920 shares of restricted stock, respectively, to certain of its directors, officers and employees.

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Earnings Per Share

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

Components of the computation of basic and diluted earnings per share ("EPS") are as follows (in thousands except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Net income (loss)	$	56,210		$	(97,037	)	$	117,541		$	(42,440	)
Less preferred stock dividends	(5,203		)	(5,203		)	(10,406		)	(10,406		)
Net income (loss) available to common stockholders	51,007			(102,240		)	107,135			(52,846		)
Less dividends paid:
Common shares	(37,587		)	(43,617		)	(76,713		)	(90,727		)
Unvested shares	(262		)	(301		)	(534		)	(625		)
Undistributed earnings (loss)	13,158			(146,158		)	29,888			(144,198		)
Basic weighted-average shares outstanding:
Common shares	150,405			156,257			150,591			157,915
Basic earnings (loss) per common share:
Distributed earnings	$	0.25		$	0.28		$	0.51		$	0.57
Undistributed earnings (loss)	0.09			(0.94		)	0.20			(0.91		)
Basic earnings (loss) per common share	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)
Diluted weighted-average shares outstanding:
Common shares	150,405			156,257			150,591			157,915
Net effect of dilutive stock options (1)	—			—			—			—
	150,405			156,257			150,591			157,915
Diluted earnings (loss) per common share:
Distributed earnings	$	0.25		$	0.28		$	0.51		$	0.57
Undistributed earnings (loss)	0.09			(0.94		)	0.20			(0.91		)
Diluted earnings (loss) per common share	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)

__________________

(1) For the three and six months endedJune 30, 2016 and 2015, the Company had an aggregate of zero and 131,088 stock options outstanding, respectively, with a weighted-average exercise price of $30.00 that were not included in the calculation of EPS, as they were out-of-the-money.

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Subsequent Events

6 Months Ended

Jun. 30, 2016

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

The Company has evaluated subsequent events through July 28, 2016, the date these financial statements were issued, and determined that there have not been any events that have occurred that would require adjustments to or disclosures in the unaudited consolidated financial statements.

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Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2016

Accounting Policies [Abstract]

Basis Of Presentation

Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") and the instructions to Securities and Exchange Commission ("SEC") Form 10-Q and Article 10, Rule 10-01 of Regulation S-X. Accordingly, the financial statements do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. The unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements as of and for the year ended December 31, 2015, included in the 2015 Annual Report. The results for interim periods are not necessarily indicative of the results to be expected for the entire fiscal year.

The unaudited consolidated financial statements include the accounts of the Company and all of its subsidiaries. All intercompany balances and transactions have been eliminated. The unaudited consolidated financial statements of the Company have been prepared on the accrual basis of accounting in accordance with U.S. GAAP. The preparation of financial statements in conformity with U.S. GAAP requires management to make a number of estimates and assumptions that affect the amounts reported in the unaudited consolidated financial statements and accompanying footnotes. Actual results could differ from these estimates and the differences may be material.

Reclassification

Commencing with the report on Form 10-K for the year ended December 31, 2015, "Swap and cap interest expense", which up through September 30, 2015 was recognized as a separate component of " Total interest expense" in the consolidated statement of operations, is now recognized as a component of "Net gain (loss) on derivative instruments". This reclassification was made in order to record income, expenses and fair value changes related to derivative instruments in one line item in the consolidated statements of operations, consistent with common industry practice. Prior period balances have been reclassified to conform to the current period presentation.

Investments in Securities

Investments in Securities

The Company's investment securities are accounted for in accordance with the Financial Accounting Standards Board's ("FASB") Accounting Standards Codification ("ASC") 320—Investments—Debt and Equity Securities. The Company has chosen to make a fair value election pursuant to ASC 825—Financial Instruments for its securities and, therefore, our investment securities are recorded at fair market value on the consolidated balance sheets. Electing the fair value option requires the Company to record changes in fair value of our investments in the unaudited consolidated statements of operations (as a component of net unrealized gain (loss) on investments), which in management’s view, more appropriately reflects the results of operations for a particular reporting period as all securities activities will be recorded in a similar manner. These investments meet the requirements to be classified as available-for-sale under ASC 320.

The Company records security purchase and sale transactions, including forward settling transactions, on a trade date basis. Realized gains and losses on securities transactions are recorded on an identified cost basis.

Agency RMBS

Agency RMBS

The Company’s investments in Agency RMBS consist of pass-through certificates backed by fixed-rate, monthly-reset adjustable-rate loans ("ARMs") and hybrid ARMs, the principal and interest of which are guaranteed by Fannie Mae, Freddie Mac or Ginnie Mae. Hybrid ARMs have interest rates that have an initial fixed period (typically three, five, seven or ten years) and thereafter reset at regular intervals in a manner similar to ARMs.

Forward Settling Transactions

Forward Settling Transactions

The Company engages in forward settling transactions to purchase or sell certain securities. Agency RMBS may include forward contracts for Agency RMBS purchases or sales of specified pools on a to-be-announced basis ("TBA Securities") that meet the regular-way scope exception in ASC 815—Derivatives and Hedging ("ASC 815"), and are recorded on a trade date basis to the extent it is probable that we will take or make timely physical delivery of the related securities. The Company maintains security positions such that sufficiently liquid assets will be available to make payment on the settlement date for securities purchased. The Agency RMBS purchased at the forward settlement date are typically priced at a discount to securities for settlement in the current month. Securities purchased on a forward settling basis are carried at fair value and begin earning interest on the settlement date. Gains or losses may occur on these transactions due to changes in market conditions or the failure of counterparties to perform under the contract. See Note 7, Pledged Assets, for disclosure regarding the fair value of collateral pledged or received on forward settling transactions.

Investment Valuation

Investment Valuation

The Company's pricing committee is responsible for establishing valuation policies and procedures, as well as reviewing and approving valuations during monthly pricing meetings. The pricing committee is composed of individuals from the finance and investment teams and other members of senior management.

Agency RMBS, U.S. Agency Debentures and U.S. Treasuries are generally valued based on prices provided by third-party services and derived from such services’ pricing models. Inputs to the models may include, but are not limited to, reported trades, executable bid and ask prices, broker quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and/or economic events. The pricing services may also use a matrix approach, which uses information regarding securities with similar characteristics to determine the valuation for a security.

We generally value interest rate swaps and caps using prices provided by broker quotations. Such broker quotations are based on the present value of fixed and projected floating rate cash flows over the term of the swap contract. Future cash flows are discounted to present value using swap rates provided by electronic data services or by brokers.

All valuations from third-party pricing services or broker quotes are non-binding. The pricing committee reviews all prices. To date, the Company has not adjusted any of the prices received from third-party pricing services or brokers. Our pricing review includes comparisons of similar market transactions, alternative third-party pricing services and broker quotes, or comparisons to a pricing model. To ensure proper characterization within the fair value hierarchy in ASC 820, Fair Value Measurement ("ASC 820"), the Company reviews the third-party pricing services methodologies periodically to ascertain which observable or unobservable inputs are being used. See Note 8, Fair Value Measurements, for a discussion of how the Company values its assets.

Derivative Instruments

Derivative Instruments

Included in Derivative Instruments are interest rate swaps and interest rate caps and TBA Derivatives (defined below).

The Company uses interest rate swaps and interest rate caps to economically hedge a portion of its exposure to market risks, including interest rate and extension risk. The objective of our risk management strategy is to reduce fluctuations in stockholders’ equity over a range of interest rate scenarios. In particular, we attempt to manage the risk of the cost of our variable rate liabilities increasing during a period of rising interest rates.

During the term of an interest rate swap or cap (a "swap" or "cap", respectively), the Company makes or receives periodic payments and records unrealized gains or losses as a result of marking the swap or cap to fair value. When the Company terminates a swap or cap, we record a realized gain or loss equal to the difference between the proceeds from (or the cost of) closing the transaction and the Company's cost basis in the contract, if any. We report the periodic payments and amortization of premiums on cap contracts under swap and cap interest expense in the accompanying unaudited consolidated statements of operations. Swaps involve a risk that interest rates will move contrary to the Company’s expectations, thereby increasing the Company’s payment obligation.

The Company's interest rate swap and cap contracts may be subject to a master netting arrangement ("MNA"). The Company is exposed to credit loss in the event of non-performance by the counterparty to the swap or cap limited to the fair value of collateral posted in excess of the fair value of the contract in a net liability position and the shortage of the fair value of collateral posted for the contract in a net asset position. As of June 30, 2016 and December 31, 2015, the Company did not anticipate non-performance by any counterparty. Should interest rates move contrary to the Company's expectations, the Company may not achieve the anticipated benefits of the interest rate swap or cap and may realize a loss.

While the Company's derivative agreements generally permit netting or setting off derivative assets and liabilities with the counterparty, the Company reports derivative assets and liabilities on a gross basis in the accompanying consolidated balance sheets. Derivatives are accounted for in accordance with ASC 815 which requires recognition of all derivatives as either assets or liabilities at fair value in the accompanying consolidated balance sheets with changes in fair value recognized in the accompanying consolidated statements of operations in "Net realized and unrealized gain (loss) on derivative instruments". Cash receipts and payments related to derivative instruments are classified in the accompanying unaudited consolidated statements of cash flows in accordance with U.S. GAAP in both the operating and investing activities sections.

The Company enters into TBA dollar roll transactions whereby the Company is not contractually obligated to accept delivery on the settlement date ("TBA Derivatives"). TBA Derivatives are accounted for as a series of derivative transactions. The fair value of TBA Derivatives is based on similar methods used to value Agency RMBS with gains and losses recorded in Net realized and unrealized gains (losses) on derivative instruments in the accompanying consolidated statements of operations. TBA Derivative transactions involve moving the settlement of a TBA contract out to a later date by entering into an offsetting short position (referred to as a "pair off"), net settling the paired off positions for cash, and simultaneously purchasing a similar TBA contract for a later settlement date.  The Company records such pair offs on a gross basis such that there is a sale of the original TBA Derivative and a subsequent purchase of a new TBA Derivative. 

None of the Company's derivatives have been designated as hedging instruments for accounting purposes. Effective January 1, 2016, the Company recognized all TBAs that do not qualify for the regular-way scope exception under ASC 815 as derivatives.

Interest Income

Interest Income

We record interest income and expense on an accrual basis. We accrue interest income based on the outstanding principal amount of the securities and their contractual terms. We amortize premiums and discounts using the effective interest method, and this net amortization is either accretive to or a reduction of interest income from Agency RMBS in the Company's unaudited consolidated statements of operations. The Company does not estimate prepayments when calculating the yield to maturity on Agency RMBS. We record the amount of premium or discount associated with a prepayment through interest income from Agency RMBS in the accompanying unaudited consolidated statements of operations as it occurs.

Other investments

Other Investments

CYS Insurance, is a member of, and owns capital stock in, the FHLBC. As a condition of its membership in the FHLBC, CYS Insurance is required to maintain FHLBC stock, both for membership and for the level of advances from the FHLBC to CYS Insurance. The Company accounts for its investment in FHLBC stock as a cost method investment in "Other investments" in the accompanying consolidated balance sheets in accordance with ASC 325, Investments - Other. The Company periodically evaluates FHLBC stock for impairment in accordance with ASC 320—Investments—Debt and Equity Securities. Also included in other investments is a real estate asset which is recorded at fair value.

Repurchase Agreements and FHLB Advances

Repurchase Agreements and FHLBC Advances

Borrowings under repurchase agreements ("repo borrowings") and FHLBC Advances are collateralized by the Company’s Agency RMBS and U.S. Treasuries (collectively, "Debt Securities"). The Company’s repo borrowing counterparties are institutional dealers in fixed income securities and large financial institutions, and CYS Insurance's counterparty for FHLBC Advances is the FHLBC. Collateral pledged on repo borrowings is valued daily, and on FHLBC Advances periodically, and our counterparties (including the FHLBC) may require posting of additional collateral when the fair value of pledged collateral declines. Repo borrowing counterparties and the FHLBC have the right to sell or repledge collateral pledged under repo borrowings and FHLBC Advances.

We account for our repo borrowings as short-term indebtedness under ASC 470—Debt; accordingly, these short-term instruments are accounted in our financial statements and carried at their amortized cost, which approximates fair value due to their short-term nature.

Also, we have entered into FHLBC Advances that may have an initial maturity of more than one year that are collateralized by the Company's Debt Securities. The Company has chosen to make a fair value election pursuant to ASC 825—Financial Instruments for FHLBC Advances with initial terms greater than one year and, therefore, this debt is recorded at fair market value in the accompanying consolidated balance sheets. The unpaid principal balance of FHLBC Advances with initial maturities less than one year generally approximate fair value due to the short-term nature of the instruments. We price FHLBC Advances with an initial maturity greater than one year daily through a pricing service that uses a discounted cash flow model to value the debt, and periodically we validate the prices we receive through this process. The changes in fair market value are recorded in current period earnings in the accompanying unaudited consolidated statements of operations as a component of net unrealized gain (loss) on FHLBC Advances. Electing the fair value option permits the Company to record changes in the fair value of our FHLBC Advances along with that of our investments in the consolidated statements of operations which, in management’s view, more appropriately reflects the results of operations for a particular reporting period as all income producing assets and liabilities are recognized in a consistent manner.

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Investments in Securities (Tables)

6 Months Ended

Jun. 30, 2016

Available-for-sale Securities [Abstract]

Available-for-sale Securities

The available-for-sale portfolio consisted of the following as of June 30, 2016 and December 31, 2015 (in thousands):    

June 30, 2016
Asset Type	Amortized Cost		Gross Unrealized Loss			Gross Unrealized Gain		Fair Value
Fannie Mae Certificates
Fixed Rate	$	9,902,622	$	—		$	192,392	$	10,095,014
ARMs	274,907		—			3,707		278,614
Total Fannie Mae	10,177,529		—			196,099		10,373,628
Freddie Mac Certificates
Fixed Rate	1,406,092		(7		)	29,019		1,435,104
ARMs	28,752		—			808		29,560
Total Freddie Mac	1,434,844		(7		)	29,827		1,464,664
Ginnie Mae Certificates - ARMs	41,016		—			625		41,641
Total Agency RMBS	11,653,389		(7		)	226,551		11,879,933
U.S. Treasuries	881,059		—			3,154		884,213
Total	$	12,534,448	$	(7	)	$	229,705	$	12,764,146
December 31, 2015
Asset Type	Amortized Cost		Gross Unrealized Loss			Gross Unrealized Gain		Fair Value
Fannie Mae Certificates
Fixed Rate	$	11,142,798	$	(45,018	)	$	74,891	$	11,172,671
ARMs	260,394		(1,859		)	1,860		260,395
Total Fannie Mae	11,403,192		(46,877		)	76,751		11,433,066
Freddie Mac Certificates
Fixed Rate	1,379,566		(3,881		)	11,822		1,387,507
ARMs	60,821		(727		)	749		60,843
Total Freddie Mac	1,440,387		(4,608		)	12,571		1,448,350
Ginnie Mae Certificates - ARMs	45,784		—			796		46,580
Total Agency RMBS	12,889,363		(51,485		)	90,118		12,927,996
U.S. Treasuries	99,847		(136		)	—		99,711
Total	$	12,989,210	$	(51,621	)	$	90,118	$	13,027,707

The following table presents the gross unrealized loss and fair values of our available-for-sale Agency RMBS by length of time that such securities have been in a continuous unrealized loss position as of June 30, 2016 and December 31, 2015 (in thousands):

	Unrealized loss positions for
	Less than 12 Months					Greater than 12 months					Total
As of	Fair value		Unrealized loss			Fair value		Unrealized loss			Fair value		Unrealized loss
June 30, 2016	$	3,581	$	(7	)	$	—	$	—		$	3,581	$	(7	)
December 31, 2015	6,718,658		(50,318		)	86,300		(1,303		)	6,804,958		(51,621		)

The following table summarizes our net realized gain (loss) from the sale of available-for-sale investments for the three and six months endedJune 30, 2016 and 2015 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Available-for-sale investments, at cost	$	5,408,055		$	7,338,701		$	6,805,243		$	13,338,664
Proceeds from sale of available-for-sale investments	5,444,414			7,348,136			6,842,804			13,366,352
Net realized gain (loss) on sale of available-for-sale investments	$	36,359		$	9,435		37,561			27,688
Gross gain on sale of available-for-sale investments	$	36,743		$	28,403		42,126			62,382
Gross (loss) on sale of available-for-sale investments	(384		)	(18,968		)	(4,565		)	(34,694		)
Net realized gain (loss) on sale of available-for-sale investments	$	36,359		$	9,435		$	37,561		$	27,688

The components of the carrying value of available-for-sale securities at June 30, 2016 and December 31, 2015 are presented below. A premium purchase price is generally due to the average coupon interest rates on these investments being higher than prevailing market rates; similarly, a discount purchase price is generally due to the average coupon interest rate on these investments being lower than prevailing market rates.

(in thousands)	June 30, 2016			December 31, 2015
Principal balance	$	12,108,771		$	12,527,932
Unamortized premium	425,792			462,631
Unamortized discount	(115		)	(273		)
Gross unrealized gains	229,705			89,038
Gross unrealized losses	(7		)	(51,621		)
Fair value	$	12,764,146		$	13,027,707

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Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Interest Rate Derivatives [Table Text Block]

The Company had the following activity in interest rate swap and cap transactions during the six months ended June 30, 2016 and 2015 (in thousands):

June 30, 2016					June 30, 2015
Trade Date	Transaction	Notional			Trade Date	Transaction	Notional
January 2016	Terminated	$	(500,000	)	January 2015	Terminated	$	(400,000	)
May 2016	Terminated	(2,200,000		)	January 2015	Opened	$	500,000
May 2016	Opened	1,700,000			April 2015	Terminated	$	(400,000	)
Net Decrease		$	(1,000,000	)	Net Decrease		$	(300,000	)

Schedule of Derivative Instruments

The table below summarizes fair value information about our derivative and other hedging instrument assets and liabilities as of June 30, 2016 and December 31, 2015 (in thousands):

		June 30, 2016					December 31, 2015
Derivative and Other Hedging Instruments - Assets	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative assets, at fair value	$	—	$	—		$	5,900,000	$	39,435
Interest Rate Caps	Derivative assets, at fair value	2,500,000		16,021			2,500,000		61,343
TBA Derivatives	Derivative assets, at fair value	1,156,000		8,629			—		—
Total derivative assets at fair value		3,656,000		24,650			8,400,000		100,778
Derivative and Other Hedging Instruments - Liabilities	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative liabilities, at fair value	$	6,950,000	$	(91,607	)	$	2,050,000	$	(14,024	)
Interest Rate Caps	Derivative liabilities, at fair value	—		—			—		—
TBA Derivatives	Derivative liabilities, at fair value	350,000		(3,922		)	—		—
Total derivative liabilities at fair value		7,300,000		(95,529		)	2,050,000		(14,024		)

The average notional value of the Company's TBA Derivatives during the three and six months endedJune 30, 2016 was $1,103.5 million and $1,299.0 million, respectively.

The following table presents information about the net realized and unrealized gain (loss) on swap, cap and TBA Derivatives for the three and six months endedJune 30, 2016 and 2015 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
Derivative Instrument Type	Location of Gain (Loss) on Derivative Instruments	2016			2015			2016			2015
Interest rate swaps and caps	Swap and cap interest expense	$	(14,779	)	$	(24,992	)	$	(33,177	)	$	(52,460	)
Interest rate swaps, caps and TBA Derivatives	Net realized and unrealized gain (loss) on derivative instruments	(44,535		)	31,047			(185,059		)	(46,321		)
Interest rate swaps, caps and TBA Derivatives	Net gain (loss) on derivative instruments	(59,314		)	6,055			$	(218,236	)	$	(98,781	)

At June 30, 2016 and December 31, 2015, the Company's derivative assets and liabilities (by type) are as follows (in thousands):

June 30, 2016	Assets		Liabilities
Interest rate swap contracts	$	—	$	91,607
Interest rate cap contracts	16,021		—
TBA derivatives	8,629		3,922
Total derivative assets and liabilities	24,650		95,529
Derivatives not subject to a Master Netting Agreement	—		84,996
Total assets and liabilities subject to a Master Netting Agreement	$	24,650	$	10,533
December 31, 2015	Assets		Liabilities
Interest rate swap contracts	$	39,435	$	14,024
Interest rate cap contracts	61,343		—
Total derivative assets and liabilities	100,778		14,024
Derivatives not subject to a Master Netting Agreements	25,151		14,024
Total assets and liabilities subject to a Master Netting Agreement	$	75,627	$	—

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Repurchase Agreements and FHLB Advances (Tables)

6 Months Ended

Jun. 30, 2016

Banking and Thrift [Abstract]

Schedule Of Company's Borrowings

Certain information with respect to the Company’s repo borrowings and FHLBC Advances outstanding at the balance sheet dates is summarized in the table below.

(in thousands)	June 30, 2016			December 31, 2015
Outstanding repurchase agreements	$	9,849,501		$	8,987,776
Outstanding FHLBC Advances(1)	$	575,000		$	2,098,701
Interest accrued thereon	$	6,465		$	7,383
Weighted-average borrowing rate	0.68		%	0.54		%
Weighted-average remaining maturity (in days)	56.1			42.2
Fair value of pledged collateral(2)	$	10,905,020		$	11,548,930

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Pledged Assets (Tables)

6 Months Ended

Jun. 30, 2016

Transfers and Servicing [Abstract]

Assets Pledged to Counterparties

The following tables summarize our assets pledged as collateral under our repo borrowings, FHLBC Advances, and derivative instruments by type, including securities pledged related to securities purchased or sold but not yet settled, as of June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016
Asset Type	Repurchase Agreements and FHLBC Advances		Derivative Instruments		Forward Settling Trades (TBAs) (1)		Total
Agency RMBS - fair value	$	10,061,237	$	45,550	$	—	$	10,106,787
U.S. Treasuries - fair value	854,217		31,810		—		886,027
Accrued interest on pledged securities	27,596		154		—		27,750
Cash	—		97,309		—		97,309
Total	$	10,943,050	$	174,823	$	—	$	11,117,873

December 31, 2015
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)		Total
Agency RMBS - fair value	$	11,547,098	$	37,657	$	2,259	$	11,587,014
U.S. Treasuries - fair value	1,832		13,054		—		14,886
Accrued interest on pledged securities	30,890		196		5		31,091
Cash	—		21,751		—		21,751
Total	$	11,579,820	$	72,658	$	2,264	$	11,654,742

Assets Pledged from Counterparties

As of June 30, 2016 and December 31, 2015, we had assets pledged to us as collateral under our repurchase agreements, derivative agreements and TBAs as summarized in the tables below (in thousands):

June 30, 2016
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)(1)		Total
Agency RMBS - fair value	$	5,085	$	—	$	—	$	5,085
U.S. Treasuries - fair value	5,350		7,269		—		12,619
Accrued interest on pledged securities	37		44		—		81
Cash	—		4,826		—		4,826
Total	$	10,472	$	12,139	$	—	$	22,611

December 31, 2015
Asset Type	Repurchase Agreements		Derivative Instruments		Forward Settling Trades (TBAs)		Total
U.S. Treasuries - fair value	—		44,143		—		44,143
Accrued interest on pledged securities	—		209		—		209
Cash	—		18,534		—		18,534
Total	$	—	$	62,886	$	—	$	62,886

Schedule of Derivative Instruments

The table below summarizes fair value information about our derivative and other hedging instrument assets and liabilities as of June 30, 2016 and December 31, 2015 (in thousands):

		June 30, 2016					December 31, 2015
Derivative and Other Hedging Instruments - Assets	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative assets, at fair value	$	—	$	—		$	5,900,000	$	39,435
Interest Rate Caps	Derivative assets, at fair value	2,500,000		16,021			2,500,000		61,343
TBA Derivatives	Derivative assets, at fair value	1,156,000		8,629			—		—
Total derivative assets at fair value		3,656,000		24,650			8,400,000		100,778
Derivative and Other Hedging Instruments - Liabilities	Consolidated Balance Sheets	Notional		Fair Value			Notional		Fair Value
Interest Rate Swaps	Derivative liabilities, at fair value	$	6,950,000	$	(91,607	)	$	2,050,000	$	(14,024	)
Interest Rate Caps	Derivative liabilities, at fair value	—		—			—		—
TBA Derivatives	Derivative liabilities, at fair value	350,000		(3,922		)	—		—
Total derivative liabilities at fair value		7,300,000		(95,529		)	2,050,000		(14,024		)

The average notional value of the Company's TBA Derivatives during the three and six months endedJune 30, 2016 was $1,103.5 million and $1,299.0 million, respectively.

The following table presents information about the net realized and unrealized gain (loss) on swap, cap and TBA Derivatives for the three and six months endedJune 30, 2016 and 2015 (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
Derivative Instrument Type	Location of Gain (Loss) on Derivative Instruments	2016			2015			2016			2015
Interest rate swaps and caps	Swap and cap interest expense	$	(14,779	)	$	(24,992	)	$	(33,177	)	$	(52,460	)
Interest rate swaps, caps and TBA Derivatives	Net realized and unrealized gain (loss) on derivative instruments	(44,535		)	31,047			(185,059		)	(46,321		)
Interest rate swaps, caps and TBA Derivatives	Net gain (loss) on derivative instruments	(59,314		)	6,055			$	(218,236	)	$	(98,781	)

At June 30, 2016 and December 31, 2015, the Company's derivative assets and liabilities (by type) are as follows (in thousands):

June 30, 2016	Assets		Liabilities
Interest rate swap contracts	$	—	$	91,607
Interest rate cap contracts	16,021		—
TBA derivatives	8,629		3,922
Total derivative assets and liabilities	24,650		95,529
Derivatives not subject to a Master Netting Agreement	—		84,996
Total assets and liabilities subject to a Master Netting Agreement	$	24,650	$	10,533
December 31, 2015	Assets		Liabilities
Interest rate swap contracts	$	39,435	$	14,024
Interest rate cap contracts	61,343		—
Total derivative assets and liabilities	100,778		14,024
Derivatives not subject to a Master Netting Agreements	25,151		14,024
Total assets and liabilities subject to a Master Netting Agreement	$	75,627	$	—

Offsetting Assets

Below are summaries of the Company's assets and liabilities subject to offsetting provisions (in thousands):

Assets				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Assets Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Received(1)		Net Amount(2)
June 30, 2016	Derivative assets	$	24,650	$	2,117	$	9,581	$	12,952
December 31, 2015	Derivative assets	75,627		—		59,907		15,720

Liabilities				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Liabilities Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Pledged(1)		Net Amount(2)
June 30, 2016	Derivative liabilities	$	10,533	$	2,117	$	8,416	$	—
June 30, 2016	Repurchase agreements and FHLBC Advances	10,424,501		23,003		10,401,498		—
December 31, 2015	Derivative liabilities	—		—		—		—
December 31, 2015	Repurchase agreements and FHLBC Advances	11,086,477		42,003		11,044,474		—

Offsetting Liabilities

Liabilities				Gross Amounts Not Offset in the Consolidated Balance Sheets
As of	Description	Amount of Liabilities Presented in the Consolidated Balance Sheets		Instruments Available for Offset		Collateral Pledged(1)		Net Amount(2)
June 30, 2016	Derivative liabilities	$	10,533	$	2,117	$	8,416	$	—
June 30, 2016	Repurchase agreements and FHLBC Advances	10,424,501		23,003		10,401,498		—
December 31, 2015	Derivative liabilities	—		—		—		—
December 31, 2015	Repurchase agreements and FHLBC Advances	11,086,477		42,003		11,044,474		—

______________

(1) Collateral consists of Agency RMBS, U.S. Treasuries and Cash. Excess collateral pledged is not shown for financial reporting purposes.

(2) Net amount represents the net amount receivable (in the case of assets) and payable (in the case of liabilities) to the counterparty in the event of default.

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables provide a summary of the Company’s assets and liabilities that are measured at fair value on a recurring basis, as of June 30, 2016 and December 31, 2015 (in thousands):

June 30, 2016	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total
Assets
Agency RMBS	$	—	$	11,879,933	$	—	$	11,879,933
U.S. Treasuries	884,213		—		—		884,213
Other investments	—		—		8,025		8,025
Derivative assets	—		24,650		—		24,650
Total	$	884,213	$	11,904,583	$	8,025	$	12,796,821
Liabilities
FHLBC Advances	—		350,000		—		350,000
Derivative liabilities	—		95,529		—		95,529
Total	$	—	$	445,529	$	—	$	445,529

December 31, 2015	Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total
Assets
Agency RMBS	$	—	$	12,927,996	$	—	$	12,927,996
U.S. Treasuries	99,711		—		—		99,711
Other investments	—		—		8,025		8,025
Derivative assets	—		100,778		—		100,778
Total	$	99,711	$	13,028,774	$	8,025	$	13,136,510
Liabilities
FHLBC Advances	—		423,701		—		423,701
Derivative liabilities	—		14,024		—		14,024
Total	$	—	$	437,725	$	—	$	437,725

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The table below presents a reconciliation of changes in Other investments classified as Level 3 and measured at fair value on a recurring basis in the accompanying consolidated balance sheets for the three and six months ended June 30, 2016 and 2015.

Level 3 Fair Value Reconciliation
(In thousands)	Three and Six Months Ended June 30,
Other investments	2016		2015
Beginning balance Level 3 assets	$	8,025	$	8,025
Change in net unrealized gain (loss)	—		—
Gross purchases	—		—
Gross sales	—		—
Net gain (loss) on sales	—		—
Transfers into (out of) Level 3	—		—
Ending balance Level 3 assets	$	8,025	$	8,025

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule Of Computation Of Basic And Diluted Earnings Per Share

Components of the computation of basic and diluted earnings per share ("EPS") are as follows (in thousands except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Net income (loss)	$	56,210		$	(97,037	)	$	117,541		$	(42,440	)
Less preferred stock dividends	(5,203		)	(5,203		)	(10,406		)	(10,406		)
Net income (loss) available to common stockholders	51,007			(102,240		)	107,135			(52,846		)
Less dividends paid:
Common shares	(37,587		)	(43,617		)	(76,713		)	(90,727		)
Unvested shares	(262		)	(301		)	(534		)	(625		)
Undistributed earnings (loss)	13,158			(146,158		)	29,888			(144,198		)
Basic weighted-average shares outstanding:
Common shares	150,405			156,257			150,591			157,915
Basic earnings (loss) per common share:
Distributed earnings	$	0.25		$	0.28		$	0.51		$	0.57
Undistributed earnings (loss)	0.09			(0.94		)	0.20			(0.91		)
Basic earnings (loss) per common share	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)
Diluted weighted-average shares outstanding:
Common shares	150,405			156,257			150,591			157,915
Net effect of dilutive stock options (1)	—			—			—			—
	150,405			156,257			150,591			157,915
Diluted earnings (loss) per common share:
Distributed earnings	$	0.25		$	0.28		$	0.51		$	0.57
Undistributed earnings (loss)	0.09			(0.94		)	0.20			(0.91		)
Diluted earnings (loss) per common share	$	0.34		$	(0.66	)	$	0.71		$	(0.34	)

__________________

(1) For the three and six months endedJune 30, 2016 and 2015, the Company had an aggregate of zero and 131,088 stock options outstanding, respectively, with a weighted-average exercise price of $30.00 that were not included in the calculation of EPS, as they were out-of-the-money.

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Organization (Details) - $ / shares	Jun. 30, 2016	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Series A Cumulative Redeemable Preferred Stock, liquidation preference per share	$ 25.00	$ 25.00

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Investments in Securities (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Available-for-sale Securities [Abstract]
WeightedAverageCouponDebtSecurities	3.15%	3.39%
Debt Instrument, Maturity Date	30 years
U.S. Treasury Security Maturity Date	2019	2017
Agency RMBS Maturity Date Min	2024
Agency RMBS Maturity Date Max	2046

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Investments in Securities (Available-for-sale securities by GSE Agency and Coupon) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	$ (7)	$ (51,621)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	229,705	89,038
Fair value	12,764,146	13,027,707
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	10,177,529	11,403,192
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	(46,877)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	196,099	76,751
Fair value	10,373,628	11,433,066
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] | Fixed Rate Residential Mortgage [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	9,902,622	11,142,798
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	(45,018)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	192,392	74,891
Fair value	10,095,014	11,172,671
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] | Adjustable Rate Residential Mortgage [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	274,907	260,394
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	(1,859)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3,707	1,860
Fair value	278,614	260,395
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	1,434,844	1,440,387
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(7)	(4,608)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	29,827	12,571
Fair value	1,464,664	1,448,350
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] | Fixed Rate Residential Mortgage [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	1,406,092	1,379,566
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(7)	(3,881)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	29,019	11,822
Fair value	1,435,104	1,387,507
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] | Adjustable Rate Residential Mortgage [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	28,752	60,821
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	(727)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	808	749
Fair value	29,560	60,843
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	41,016	45,784
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	625	796
Fair value	41,641	46,580
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	881,059	99,847
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0	(136)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3,154	0
Fair value	884,213	99,711
Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	12,534,448	12,989,210
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(7)	(51,621)
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	229,705	90,118
Fair value	$ 12,764,146	$ 13,027,707

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Investments in Securities (Available for sale, Continuous Unrealized Loss) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 3,581	$ 6,718,658
Unrealized loss on investments, owned less than 12 months	(7)	(50,318)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	86,300
Unrealized loss on investments, owned more than 12 months	0	(1,303)
Fair value of investments in unrealized loss position	3,581	6,804,958
Available for sale securities, continuous unrealized loss	$ (7)	$ (51,621)

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Investments in Securities (Summary of Net Gain (loss) from the Sale of Available-for-Sale Investments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Investments, Debt and Equity Securities [Abstract]
Available-for-sale investments, at cost	$ 5,408,055	$ 7,338,701	$ 6,805,243	$ 13,338,664
Proceeds from securities sold	5,444,414	7,348,136
Proceeds from sale of available-for-sale investments			6,842,804	13,366,352
Net realized gain (loss) on sale of available-for-sale investments	36,359	9,435	37,561	27,688
Gross gain on sale of available-for-sale investments	36,743	28,403	42,126	62,382
Gross (loss) on sale of available-for-sale investments	$ (384)	$ (18,968)	$ (4,565)	$ (34,694)

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Investments in Securities (Components of the Carrying Value of Available-for-Sale Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Principal balance	$ 12,108,771	$ 12,527,932
Unamortized premium	425,792	462,631
Unamortized discount	(115)	(273)
Gross unrealized gains	(229,705)	(89,038)
Gross unrealized losses	(7)	(51,621)
Fair value	12,764,146	13,027,707
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	(10,177,529)	(11,403,192)
Gross unrealized gains	(196,099)	(76,751)
Gross unrealized losses	0	(46,877)
Fair value	10,373,628	11,433,066
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	(1,434,844)	(1,440,387)
Gross unrealized gains	(29,827)	(12,571)
Gross unrealized losses	(7)	(4,608)
Fair value	1,464,664	1,448,350
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	(41,016)	(45,784)
Gross unrealized gains	(625)	(796)
Gross unrealized losses	0	0
Fair value	41,641	46,580
Total Agency RMBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	(11,653,389)	(12,889,363)
Gross unrealized gains	(226,551)	(90,118)
Gross unrealized losses	(7)	(51,485)
Fair value	11,879,933	12,927,996
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	(881,059)	(99,847)
Gross unrealized gains	(3,154)	0
Gross unrealized losses	0	(136)
Fair value	884,213	99,711
Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	(12,534,448)	(12,989,210)
Gross unrealized gains	(229,705)	(90,118)
Gross unrealized losses	(7)	(51,621)
Fair value	$ 12,764,146	$ 13,027,707

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Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Derivative, Collateral, Right to Reclaim Cash	$ 97,309	$ 21,751	[1]
SwapandCapNotional	$ 9,450,000	$ 10,450,000
SwapandCapNotionalasPercentageofRepoBorrowings	90.70%	94.30%
Interest Rate Swaps and Interest Rate Caps [Member]
Derivative [Line Items]
Trading Securities Pledged as Collateral	$ 73,500	$ 50,700
Derivative, Collateral, Right to Reclaim Cash	97,300	21,800
Securities Received as Collateral		44,100
Derivative, Collateral, Obligation to Return Cash		$ 18,500
Derivative Instruments [Member]
Derivative [Line Items]
Derivative, Collateral, Right to Reclaim Cash	4,800
Securities Received as Collateral	$ 7,300

[1] Derived from audited consolidated financial statements.

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Derivative Instruments (Summary Of Interest Rate Swap And Cap Contracts) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Transaction And Trade Date [Line Items]
Notional transactions	$ (1,000,000)	$ (300,000)
January 2016 Terminated [Member]
Transaction And Trade Date [Line Items]
Notional transactions	(500,000)
May 2016 Terminated [Member]
Transaction And Trade Date [Line Items]
Notional transactions	(2,200,000)
May 2016 Opened [Member]
Transaction And Trade Date [Line Items]
Notional transactions	$ 1,700,000
January 2015 Terminated [Member]
Transaction And Trade Date [Line Items]
Notional transactions		(400,000)
January 2015 Opened [Member]
Transaction And Trade Date [Line Items]
Notional transactions		500,000
April 2015 Terminated [Member]
Transaction And Trade Date [Line Items]
Notional transactions		$ (400,000)

XML

Derivative Instruments (Derivatives and Other Hedging Instrument Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, assets, fair value	$ 24,650	$ 75,627
Derivative and other hedging instruments, liabilities, fair value	10,533	0
Derivative assets, at fair value [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, assets, notional	3,656,000	8,400,000
Derivative and other hedging instruments, assets, fair value	24,650	100,778
Derivative assets, at fair value [Member] | Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, assets, notional	0	5,900,000
Derivative and other hedging instruments, assets, fair value	0	39,435
Derivative assets, at fair value [Member] | Interest Rate Cap [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, assets, notional	2,500,000	2,500,000
Derivative and other hedging instruments, assets, fair value	16,021	61,343
Derivative assets, at fair value [Member] | TBA Derivatives [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, assets, notional	1,156,000	0
Derivative and other hedging instruments, assets, fair value	8,629	0
Derivative liabilities, at fair value [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, liabilities, notional	7,300,000	2,050,000
Derivative and other hedging instruments, liabilities, fair value	(95,529)	(14,024)
Derivative liabilities, at fair value [Member] | Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, liabilities, notional	6,950,000	2,050,000
Derivative and other hedging instruments, liabilities, fair value	(91,607)	(14,024)
Derivative liabilities, at fair value [Member] | Interest Rate Cap [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, liabilities, notional	0	0
Derivative and other hedging instruments, liabilities, fair value	0	0
Derivative liabilities, at fair value [Member] | TBA Derivatives [Member]
Derivatives, Fair Value [Line Items]
Derivative and other hedging instruments, liabilities, notional	350,000	0
Derivative and other hedging instruments, liabilities, fair value	$ (3,922)	$ 0

XML

Derivative Instruments (Amount recognized in income on derivatives) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Swap and cap interest expense	$ (14,779)	$ (24,992)	$ (33,177)	$ (52,460)
Net realized and unrealized gain (loss) on derivative instruments	(44,535)	31,047	(185,059)	(46,321)
Derivative, Gain (Loss) on Derivative, Net	$ (59,314)	$ 6,055	$ (218,236)	$ (98,781)

XML

Repurchase Agreements and FHLB Advances (Details) $ in Thousands		6 Months Ended
		Jun. 30, 2016 USD ($) d		Dec. 31, 2015 USD ($) d
Short-term Debt [Line Items]
Number Of Repurchase Agreements		0		0
RepoBorrowingsandFHLBadvancesaspercentageoftotalassets		6.30%		14.70%
Federal Home Loan Bank Stock		$ 23,000		$ 42,000
Securities Sold under Agreements to Repurchase, Fair Value of Collateral	[1]	$ 10,905,020		11,548,930
Debt, Weighted Average Interest Rate		1.49%
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements		7 months 6 days
Federal Home Loan Bank, Advances, Maturities Summary, Due in Next Twelve Months		$ 575,000	[2]	2,098,701
Outstanding repurchase agreements		9,849,501		8,987,776
Federal Home Loan Bank Borrowings, Fair Value Disclosure		350,000		423,701
Interest accrued thereon		$ 6,465		$ 7,383
Weighted average borrowing rate		0.68%		0.54%
Weighted Average Remaining Maturity (In Days) | d		56.1		42.2
Fair value of the collateral(1)		$ 350,000		$ 423,701
AccruedInterestExpenseonLongTermFHLBCAdvances		$ 400
Accrued interest on federal home loan bank advances with initial term over one year				$ 500
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets		2.10%		2.30%

[1] Collateral for repo borrowings and FHLBC Advances consists of Agency RMBS and U.S. Treasuries.

[2] At June 30, 2016, the Company had $575.0 million of FHLBC Advances that are required to be repaid on or prior to February 19, 2017.

XML

Repurchase Agreements and FHLB Advances Remaining contractual maturity of the agreements (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Agency RMBS Collateral	$ 9,575,382	$ 10,739,525
U.S. Treasuries Collateral	849,119	348,251
Agency RMBS and U.S. Treasuries Collateral	10,424,501	11,087,776
Maturity Less than 30 Days [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Agency RMBS Collateral	5,230,876	7,579,885
U.S. Treasuries Collateral	849,119	348,251
Agency RMBS and U.S. Treasuries Collateral	6,079,995	7,928,136
Maturity 30 to 90 Days [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Agency RMBS Collateral	2,759,063	2,235,246
U.S. Treasuries Collateral	0	0
Agency RMBS and U.S. Treasuries Collateral	2,759,063	2,235,246
Maturity Greater than 90 Days [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Agency RMBS Collateral	1,585,443	924,394
U.S. Treasuries Collateral	0	0
Agency RMBS and U.S. Treasuries Collateral	$ 1,585,443	$ 924,394

XML

Commitments and Contingencies (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
RemainingLeaseTerm	84 months
Indemnification claims	$ 0	$ 0
Operating Leases, Future Minimum Payments Due	$ 2,666,000

XML

Commitments and Contingencies Lease commitments table (Details) $ in Thousands	Jun. 30, 2016 USD ($)
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 196
Operating Leases, Future Minimum Payments, Due in Two Years	353
Operating Leases, Future Minimum Payments, Due in Three Years	363
Operating Leases, Future Minimum Payments, Due in Four Years	373
Operating Leases, Future Minimum Payments, Due in Five Years	383
Operating Leases, Future Minimum Payments, Due Thereafter	998
Operating Leases, Future Minimum Payments Due	$ 2,666

XML

Pledged Assets (Assets Pledged to Counterparties) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	$ 11,117,873	$ 11,654,742
Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	10,106,787	11,587,014
US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	886,027	14,886
Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	27,750	31,091
Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	97,309	21,751
Repurchase Agreements [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	10,943,050	11,579,820
Repurchase Agreements [Member] | Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	10,061,237	11,547,098
Repurchase Agreements [Member] | US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	854,217	1,832
Repurchase Agreements [Member] | Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	27,596	30,890
Repurchase Agreements [Member] | Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	0	0
Derivative [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	174,823	72,658
Derivative [Member] | Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	45,550	37,657
Derivative [Member] | US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	31,810	13,054
Derivative [Member] | Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	154	196
Derivative [Member] | Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	97,309	21,751
Forward Settling Trades [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	0	2,264
Forward Settling Trades [Member] | Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	0	2,259
Forward Settling Trades [Member] | US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	0	0
Forward Settling Trades [Member] | Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	0	5
Forward Settling Trades [Member] | Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral to Counterparties, at Fair Value	$ 0	$ 0

XML

Pledged Assets (Assets Pledged from Counterparties ) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	$ 22,611	$ 62,886
Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	5,085
US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	12,619	44,143
Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	81	209
Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	4,826	18,534
Repurchase Agreements [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	10,472	0
Repurchase Agreements [Member] | Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	5,085
Repurchase Agreements [Member] | US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	5,350	0
Repurchase Agreements [Member] | Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	37	0
Repurchase Agreements [Member] | Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	0	0
Derivative [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	12,139	62,886
Derivative [Member] | Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	0
Derivative [Member] | US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	7,269	44,143
Derivative [Member] | Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	44	209
Derivative [Member] | Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	4,826	18,534
Forward Settling Trades [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	0	0
Forward Settling Trades [Member] | Agency RMBS [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	0
Forward Settling Trades [Member] | US Treasury Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	0	0
Forward Settling Trades [Member] | Accrued Interest on Pledged Securities [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	0	0
Forward Settling Trades [Member] | Cash [Member]
Schedule of Investments [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	$ 0	$ 0

XML

Pledged Assets (Derivatives) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Derivative [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	$ 22,611	$ 62,886
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement	95,529	14,024
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	24,650	100,778
Derivative Asset, Not Subject to Master Netting Arrangement	0	25,151
Derivative Liability, Not Subject to Master Netting Arrangement	84,996	14,024
Derivative Asset, Fair Value, Gross Asset	24,650	75,627
Derivative Liability, Fair Value, Gross Liability	10,533	0
Assets_repledged_to_counterparties	1,800
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement	91,607	14,024
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	0	39,435
Interest Rate Cap [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement	0	0
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	16,021	61,343
TBA Derivatives [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement	3,922
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement	8,629
US Treasury Securities [Member]
Derivative [Line Items]
Pledged Assets Separately Reported, Pledged as Collateral from Counterparties, at Fair Value	$ 12,619	$ 44,143

XML

Pledged Assets (Offsetting Assets) (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Transfers and Servicing [Abstract]
Derivative Asset, Fair Value, Gross Asset		$ 24,650	$ 75,627
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		2,117	0
Fair Value of Securities Received as Collateral that Have Been Resold or Repledged	[1]	9,581	59,907
Derivative Asset, Fair Value, Amount Offset Against Collateral	[2]	$ 12,952	$ 15,720

[1] Excludes forward settling transactions classified as TBA Derivatives which are included in derivative instruments effective January 1, 2016.

[2] (2)Net amount represents the net amount receivable (in the case of assets) and payable (in the case of liabilities) to the counterparty in the event of default.

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Pledged Assets (Offsetting Liabilities) (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Transfers and Servicing [Abstract]
Derivative Liability, Fair Value, Gross Liability		$ 10,533	$ 0
Derivative Liability, Fair Value of Collateral	[1]	8,416	0
Derivative Liability, Fair Value, Amount Offset Against Collateral	[2]	0	0
RepurchaseagreementsandFederalHomeLoanBankAdvances		10,424,501	11,086,477
Securities Sold under Agreements to Repurchase and FHLBC Advances, Not Offset, Policy Election Deduction		23,003	42,003
Securities Sold under Agreements to Repurchase and FHLBC Advances, Right to Reclaim Securities and Cash	[1]	10,401,498	11,044,474
Securities Sold under Agreements to Repurchase and FHLBC Advances, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election	[2]	0	0
InstrumentsAvailableToOffsetDerivativeLiability		$ 2,117	$ 0

[1] Excludes forward settling transactions classified as TBA Derivatives which are included in derivative instruments effective January 1, 2016.

[2] (2)Net amount represents the net amount receivable (in the case of assets) and payable (in the case of liabilities) to the counterparty in the event of default.

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Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Fair Value Disclosures [Abstract]
unobservable input capitalization rate min	3.00%
unobservable input capitalization rate max	6.00%
Federal Home Loan Bank Stock	$ 23.0	$ 42.0

XML

Fair Value Measurements (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Agency RMBS	$ 11,879,933	$ 12,927,996
US Treasury fair value disclosure	884,213	99,711
Other Investments	8,025	8,025
Other investments	31,028	50,028	[1]
Derivative assets, at fair value	24,650	100,778	[1]
Assets, Fair Value Disclosure, Recurring	12,796,821	13,136,510
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	350,000	423,701
Federal Home Loan Bank Borrowings, Fair Value Disclosure	350,000	423,701
Derivative liabilities, at fair value	95,529	14,024	[1]
Liabilities, Fair Value Disclosure, Recurring	445,529	437,725
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Agency RMBS	0	0
US Treasury fair value disclosure	884,213	99,711
Other Investments	0	0
Derivative assets, at fair value	0	0
Assets, Fair Value Disclosure, Recurring	884,213	99,711
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Derivative liabilities, at fair value	0	0
Liabilities, Fair Value Disclosure, Recurring	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Agency RMBS	11,879,933	12,927,996
US Treasury fair value disclosure	0	0
Other Investments	0	0
Derivative assets, at fair value		100,778
Assets, Fair Value Disclosure, Recurring	11,904,583	13,028,774
Derivative liabilities, at fair value		14,024
Liabilities, Fair Value Disclosure, Recurring	445,529	437,725
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Agency RMBS	0	0
US Treasury fair value disclosure	0	0
Other Investments		8,025
Other investments	8,025
Derivative assets, at fair value	0	0
Assets, Fair Value Disclosure, Recurring	8,025	8,025
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Derivative liabilities, at fair value	0	0
Liabilities, Fair Value Disclosure, Recurring	$ 0	$ 0

[1] Derived from audited consolidated financial statements.

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Fair Value Measurements (Level 3 Fair Value Reconciliation) (Details) - Other Investments [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	[1]	Jun. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance Level 3 assets	$ 8,025		$ 8,025
Change in net unrealized gain (loss)	0		0
Gross purchases	0		0
Gross sales	0		0
Net gain (loss) on sales	0		0
Transfers into (out of) level 3	0		0
Ending balance Level 3 assets	$ 8,025		$ 8,025

[1] Text selection found with no content.

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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended			20 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015		Dec. 31, 2014	Jul. 20, 2014	Sep. 30, 2014	Nov. 15, 2012
Equity Issuance [Line Items]
Common stock, shares authorized	500,000,000		500,000,000
Common stock, par value	$ 0.01		$ 0.01
Common Stock, Shares, Issued	151,394,016		151,739,840
Common Stock, Shares, Outstanding	151,394,016		151,739,840
Preferred Stock, Shares Authorized	50,000,000		50,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.01		$ 0.01
Preferred Stock, Shares Issued	3,000,000		3,000,000
Preferred Stock, Shares Outstanding	3,000,000		3,000,000
Preferred Stock B, Dividend Rate, Percentage 7.50%	7.50%
Series A Cumulative Redeemable Preferred Stock, liquidation preference per share	$ 25.00		$ 25.00
Preferred Stock A, Dividend Rate, Percentage 7.75%	7.75%
Series B Cumulative Redeemable Preferred Stock, shares outstanding	8,000,000		8,000,000
Series B Cumulative Redeemable Preferred Stock, shares issued	8,000,000		8,000,000
7.50% Series B Cumulative Redeemable Preferred Stock, (8,000 shares issued and outstanding, respectively, $200,000 in aggregate liquidation preference)	$ 193,531		$ 193,531	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	357,349	459,920
Number Of Common Stock Available To Sell Under Sales Agreement	155,500,000	199,800,000					134,300,000
Stock Repurchase Program, Authorized Amount	$ 250,000							$ 250,000
Treasury Stock Acquired, Average Cost Per Share	$ 7.85	$ 8.93	$ 8.28		$ 8.88
Proceeds from (Repurchase of) Equity	$ 5,300	$ 48,700
Net proceeds (payments) from issuance and repurchase of common shares	$ 5,515	$ 48,884	$ 87,700		$ 1,500	$ 115,700
Stock Repurchased and Retired During Period, Shares	673,166	5,436,157	10,559,493		172,549
Dividend Reinvestment And Direct Stock Purchase Plan [Member]
Equity Issuance [Line Items]
Stock Available For Issuance During Period Shares Dividend Reinvestment Plan	4,100,000		4,055,245
Equity Placement Program [Member]
Equity Issuance [Line Items]
Number Of Common Stock Available To Sell Under Sales Agreement			3,081,447

[1] Derived from audited consolidated financial statements.

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income		$ 56,210	$ (97,037)	$ 117,541	$ (42,440)
Less preferred stock dividends		(5,203)	(5,203)	(10,406)	(10,406)
Net income (loss) available to common stockholders		51,007	(102,240)	107,135	(52,846)
Common shares		(37,587)	(43,617)	(76,713)	(90,727)
Unvested shares		(262)	(301)	(534)	(625)
Undistributed earnings (loss)		$ 13,158	$ (146,158)	$ 29,888	$ (144,198)
Common shares		150,405,000	156,257,000	150,591,000	157,915,000
Distributed earnings		$ 0.25	$ 0.28	$ 0.51	$ 0.57
Undistributed earnings (loss)		0.09	(0.94)	0.20	(0.91)
Basic earnings (loss) per common share		$ 0.34	$ (0.66)	$ 0.71	$ (0.34)
Net effect of dilutive stock options (1)	[1]	0	0	0	0
Diluted weighted average shares outstanding		150,405,000	156,257,000	150,591,000	157,915,000
Distributed earnings		$ 0.25	$ 0.28	$ 0.51	$ 0.57
Undistributed earnings (loss)		0.09	(0.94)	0.20	(0.91)
Diluted earnings (loss) per common share		$ 0.34	$ (0.66)	$ 0.71	$ (0.34)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number		131,088	131,088	131,088	131,088
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price		$ 30.00	$ 30.00	$ 30.00	$ 30.00

[1] For the three and six months ended June 30, 2016 and 2015, the Company had an aggregate of zero and 131,088 stock options outstanding, respectively, with a weighted-average exercise price of $30.00 that were not included in the calculation of EPS, as they were out-of-the-money.