10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

_________________________________________________________

FORM 10-Q

_________________________________________________________

(Mark One)

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

For the quarterly period ended September 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 001-31553

CME GROUP INC.

(Exact name of registrant as specified in its charter)

Delaware	36-4459170
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
20 South Wacker Drive, Chicago, Illinois	60606
(Address of principal executive offices)	(Zip Code)

(312) 930-1000

(Registrant’s telephone number, including area code)

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

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  ý    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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).                                                    Yes  ý    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.

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    

Yes  ¨    No  ý

The number of shares outstanding of each of the registrant’s classes of common stock as of October 12, 2016 was as follows: 339,347,113 shares of Class A common stock, $0.01 par value; 625 shares of Class B-1 common stock, $0.01 par value; 813 shares of Class B-2 common stock, $0.01 par value; 1,287 shares of Class B-3 common stock, $0.01 par value; and 413 shares of Class B-4 common stock, $0.01 par value.

1

CME GROUP INC.

FORM 10-Q

INDEX

		Page
PART I. FINANCIAL INFORMATION		3
Item 1.	Financial Statements	5
	Consolidated Balance Sheets at September 30, 2016 and December 31, 2015	5
	Consolidated Statements of Income for the Quarters and Nine Months Ended September 30, 2016 and 2015	6
	Consolidated Statements of Comprehensive Income for the Quarters and Nine Months Ended September 30, 2016 and 2015	7
	Consolidated Statements of Equity for the Nine Months Ended September 30, 2016 and 2015	8
	Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2016 and 2015	10
	Notes to Unaudited Consolidated Financial Statements	11
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	18
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	27
Item 4.	Controls and Procedures	27
PART II. OTHER INFORMATION		28
Item 1.	Legal Proceedings	28
Item 1A.	Risk Factors	28
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	28
Item 4.	Mine Safety Disclosures	28
Item 6.	Exhibits	29
SIGNATURES		30

2

PART I. FINANCIAL INFORMATION

Certain Terms

Unless otherwise indicated, references to CME Group Inc. (CME Group or the company) products include references to products listed on one of its regulated exchanges: Chicago Mercantile Exchange Inc. (CME), Board of Trade of the City of Chicago, Inc. (CBOT), New York Mercantile Exchange, Inc. (NYMEX) and Commodity Exchange, Inc. (COMEX). Products listed on these exchanges are subject to the rules and regulations of the particular exchange and the applicable rulebook should be consulted. Unless otherwise indicated, references to NYMEX include its subsidiary, COMEX.

All references to “options” or “options contracts” in the text of this document refer to options on futures contracts.

Further information about CME Group and its products can be found at http://www.cmegroup.com. Information made available on our website does not constitute a part of this Quarterly Report on Form 10-Q.

Information about Contract Volume and Average Rate per Contract

All amounts regarding contract volume and average rate per contract exclude our interest rate swaps and credit default swaps contracts.

Trademark Information

CME Group is a trademark of CME Group Inc. The Globe logo, CME, Chicago Mercantile Exchange, Globex and E-mini are trademarks of Chicago Mercantile Exchange Inc. CBOT, Chicago Board of Trade, KCBT and Kansas City Board of Trade are trademarks of Board of Trade of the City of Chicago, Inc. NYMEX, New York Mercantile Exchange and ClearPort are trademarks of New York Mercantile Exchange, Inc. COMEX is a trademark of Commodity Exchange, Inc. Dow Jones, Dow Jones Industrial Average, S&P 500 and S&P are service and/or trademarks of Dow Jones Trademark Holdings LLC, Standard & Poor's Financial Services LLC and S&P/Dow Jones Indices LLC, as the case may be, and have been licensed for use by Chicago Mercantile Exchange Inc. All other trademarks are the property of their respective owners.

Forward-Looking Statements

From time to time, in this Quarterly Report on Form 10-Q as well as in other written reports and verbal statements, we discuss our expectations regarding future performance. These forward-looking statements are identified by their use of terms and phrases such as “believe,” “anticipate,” “could,” “estimate,” “intend,” “may,” “plan,” “expect” and similar expressions, including references to assumptions. These forward-looking statements are based on currently available competitive, financial and economic data, current expectations, estimates, forecasts and projections about the industries in which we operate and management's beliefs and assumptions. These statements are not guarantees of future performance and involve risks, uncertainties and assumptions that are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statements. We want to caution you not to place undue reliance on any forward-looking statements. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise. Among the factors that might affect our performance are:

• increasing competition by foreign and domestic entities, including increased competition from new entrants into our markets and consolidation of existing entities;

• our ability to keep pace with rapid technological developments, including our ability to complete the development, implementation and maintenance of the enhanced functionality required by our customers while maintaining reliability and ensuring that such technology is not vulnerable to security risks;

• our ability to continue introducing competitive new products and services on a timely, cost-effective basis, including through our electronic trading capabilities, and our ability to maintain the competitiveness of our existing products and services, including our ability to provide effective services to the swaps market;

• our ability to adjust our fixed costs and expenses if our revenues decline;

• our ability to maintain existing customers, develop strategic relationships and attract new customers;

• our ability to expand and offer our products outside the United States;

• changes in domestic and non-U.S. regulations, including the impact of any changes in domestic and foreign laws or government policy with respect to our industry, such as any changes to regulations and policies that require increased financial and operational resources from us or our customers;

• the costs associated with protecting our intellectual property rights and our ability to operate our business without violating the intellectual property rights of others;

• decreases in revenue from our market data as a result of decreased demand;

3

• changes in our rate per contract due to shifts in the mix of the products traded, the trading venue and the mix of customers (whether the customer receives member or non-member fees or participates in one of our various incentive programs) and the impact of our tiered pricing structure;

• the ability of our financial safeguards package to adequately protect us from the credit risks of clearing members;

• the ability of our compliance and risk management methods to effectively monitor and manage our risks, including our ability to prevent errors and misconduct and protect our infrastructure against security breaches and misappropriation of our intellectual property assets;

• changes in price levels and volatility in the derivatives markets and in underlying equity, foreign exchange, interest rate and commodities markets;

• economic, political and market conditions, including the volatility of the capital and credit markets and the impact of economic conditions on the trading activity of our current and potential customers;

• our ability to accommodate increases in contract volume and order transaction traffic and to implement enhancements without failure or degradation of the performance of our trading and clearing systems;

• our ability to execute our growth strategy and maintain our growth effectively;

• our ability to manage the risks and control the costs associated with our strategy for acquisitions, investments and alliances;

• our ability to continue to generate funds and/or manage our indebtedness to allow us to continue to invest in our business;

• industry and customer consolidation;

• decreases in trading and clearing activity;

• the imposition of a transaction tax or user fee on futures and options on futures transactions and/or repeal of the 60/40 tax treatment of such transactions; and

• the unfavorable resolution of material legal proceedings.

For a detailed discussion of these and other factors that might affect our performance, see Item 1A. of our Annual Report on Form 10-K, filed with the Securities and Exchange Commission on February 26, 2016 and Item 1A. of this Quarterly Report on Form 10-Q.

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ITEM 1. FINANCIAL STATEMENTS

CME GROUP INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(dollars in millions, except par value data; shares in thousands)

(unaudited)

	September 30, 2016		December 31, 2015
Assets
Current Assets:
Cash and cash equivalents	$	1,420.5	$	1,692.6
Marketable securities	83.3		72.5
Accounts receivable, net of allowance of $3.6 and $1.9	395.7		357.8
Other current assets (includes $29.5 and $32.0 in restricted cash)	269.4		228.6
Performance bonds and guaranty fund contributions	31,607.1		35,553.0
Total current assets	33,776.0		37,904.5
Property, net of accumulated depreciation and amortization of $577.4 and $788.6	426.7		491.7
Intangible assets—trading products	17,175.3		17,175.3
Intangible assets—other, net	2,465.9		2,537.9
Goodwill	7,569.0		7,569.0
Other assets (includes $64.4 and $70.5 in restricted cash)	1,838.4		1,681.0
Total Assets	$	63,251.3	$	67,359.4
Liabilities and Equity
Current Liabilities:
Accounts payable	$	34.5	$	28.7
Other current liabilities	247.0		1,242.8
Performance bonds and guaranty fund contributions	31,604.9		35,553.0
Total current liabilities	31,886.4		36,824.5
Long-term debt	2,230.7		2,229.3
Deferred income tax liabilities, net	7,317.7		7,358.3
Other liabilities	551.6		395.5
Total Liabilities	41,986.4		46,807.6
Shareholders’ Equity:
Preferred stock, $0.01 par value, 10,000 shares authorized at September 30, 2016 and December 31, 2015; none issued	—		—
Class A common stock, $0.01 par value, 1,000,000 shares authorized at September 30, 2016 and December 31, 2015; 337,978 and 336,938 shares issued and outstanding as of September 30, 2016 and December 31, 2015, respectively	3.4		3.4
Class B common stock, $0.01 par value, 3 shares authorized, issued and outstanding as of September 30, 2016 and December 31, 2015	—		—
Additional paid-in capital	17,780.0		17,721.6
Retained earnings	3,458.6		2,907.6
Accumulated other comprehensive income (loss)	22.9		(80.8		)
Total shareholders’ equity	21,264.9		20,551.8
Total Liabilities and Equity	$	63,251.3	$	67,359.4

See accompanying notes to unaudited consolidated financial statements.

5

CME GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(dollars in millions, except per share data; shares in thousands)

(unaudited)

	Quarter Ended						Nine Months Ended
	September 30,						September 30,
	2016			2015			2016			2015
Revenues
Clearing and transaction fees	$	704.2		$	715.0		$	2,267.9		$	2,105.0
Market data and information services	101.1			99.5			306.4			300.3
Access and communication fees	23.8			21.6			67.7			64.4
Other	12.6			14.2			40.3			43.3
Total Revenues	841.7			850.3			2,682.3			2,513.0
Expenses
Compensation and benefits	130.6			136.4			394.2			419.2
Communications	6.9			7.1			19.9			21.3
Technology support services	17.3			15.4			52.4			47.1
Professional fees and outside services	33.5			33.8			104.2			90.6
Amortization of purchased intangibles	24.0			24.9			72.0			74.8
Depreciation and amortization	31.2			32.4			95.5			97.5
Occupancy and building operations	19.6			23.1			65.3			69.4
Licensing and other fee agreements	31.5			33.1			103.3			92.5
Other	21.8			27.7			113.0			81.8
Total Expenses	316.4			333.9			1,019.8			994.2
Operating Income	525.3			516.4			1,662.5			1,518.8
Non-Operating Income (Expense)
Investment income	36.5			2.5			71.3			26.7
Gains (losses) on derivative investments	—			—			—			(1.8		)
Interest and other borrowing costs	(31.1		)	(28.3		)	(91.9		)	(88.5		)
Equity in net earnings (losses) of unconsolidated subsidiaries	28.6			26.6			82.4			75.1
Other non-operating income (expense)	(10.5		)	(0.8		)	(30.9		)	(42.0		)
Total Non-Operating	23.5			—			30.9			(30.5		)
Income before Income Taxes	548.8			516.4			1,693.4			1,488.3
Income tax provision	76.0			156.5			532.7			533.0
Net Income	$	472.8		$	359.9		$	1,160.7		$	955.3
Earnings per Common Share:
Basic	$	1.40		$	1.07		$	3.44		$	2.84
Diluted	1.39			1.06			3.43			2.83
Weighted Average Number of Common Shares:
Basic	337,592			336,323			337,299			336,015
Diluted	339,143			338,139			338,834			337,804

See accompanying notes to unaudited consolidated financial statements.

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CME GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in millions)

(unaudited)

	Quarter Ended						Nine Months Ended
	September 30,						September 30,
	2016			2015			2016			2015
Net income	$	472.8		$	359.9		$	1,160.7		$	955.3
Other comprehensive income (loss), net of tax:
Investment securities:
Net unrealized holding gains (losses) arising during the period	(17.7		)	(100.2		)	177.7			(91.0		)
Reclassification of net (gains) losses on sales included in investment income	(6.3		)	2.6			(6.3		)	(3.4		)
Income tax benefit (expense)	(65.3		)	—			(65.9		)	1.2
Investment securities, net	(89.3		)	(97.6		)	105.5			(93.2		)
Defined benefit plans:
Net change in defined benefit plans arising during the period	—			—			3.1			(0.3		)
Amortization of net actuarial (gains) losses included in compensation and benefits expense	0.8			0.6			2.4			2.0
Income tax benefit (expense)	(0.3		)	(0.2		)	(2.1		)	(0.6		)
Defined benefit plans, net	0.5			0.4			3.4			1.1
Derivative investments:
Net unrealized holding gains (losses) arising during the period	—			—			—			(4.7		)
Ineffectiveness on cash flow hedges included in (gains) losses on derivative investments	—			—			—			1.8
Amortization of effective portion of net (gains) losses on cash flow hedges included in interest expense	(0.3		)	(0.3		)	(0.9		)	(0.9		)
Income tax benefit (expense)	0.1			0.1			0.3			1.5
Derivative investments, net	(0.2		)	(0.2		)	(0.6		)	(2.3		)
Foreign currency translation:
Foreign currency translation adjustments	(0.6		)	(3.4		)	(5.6		)	(10.0		)
Income tax benefit (expense)	(0.8		)	1.1			1.0			3.6
Foreign currency translation, net	(1.4		)	(2.3		)	(4.6		)	(6.4		)
Other comprehensive income (loss), net of tax	(90.4		)	(99.7		)	103.7			(100.8		)
Comprehensive Income	$	382.4		$	260.2		$	1,264.4		$	854.5

See accompanying notes to unaudited consolidated financial statements.

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CME GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY

(dollars in millions, except per share data; shares in thousands)

(unaudited)

	Class A Common Stock (Shares)	Class B Common Stock (Shares)	Common Stock and Additional Paid-in Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance at December 31, 2015	336,938	3	$	17,725.0		$	2,907.6		$	(80.8	)	$	20,551.8
Net income						1,160.7						1,160.7
Other comprehensive income (loss)									103.7			103.7
Dividends on common stock of $1.80 per share						(609.7		)				(609.7		)
Exercise of stock options	434		29.5									29.5
Excess tax benefits from option exercises and restricted stock vesting			10.0									10.0
Vesting of issued restricted Class A common stock	570		(26.8		)							(26.8		)
Shares issued to Board of Directors	26		2.5									2.5
Shares issued under Employee Stock Purchase Plan	10		0.9									0.9
Stock-based compensation			42.3									42.3
Balance at September 30, 2016	337,978	3	$	17,783.4		$	3,458.6		$	22.9		$	21,264.9

See accompanying notes to unaudited consolidated financial statements.

8

CME GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF EQUITY (continued)

(dollars in millions, except per share data; shares in thousands)

(unaudited)

	Class A Common Stock (Shares)	Class B Common Stock (Shares)	Common Stock and Additional Paid-in Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance at December 31, 2014	335,452	3	$	17,600.0		$	3,317.3		$	6.2		$	20,923.5
Net income						955.3						955.3
Other comprehensive income (loss)									(100.8		)	(100.8		)
Dividends on common stock of $1.50 per share						(500.8		)				(500.8		)
Tax effect and gain related to purchase of non-controlling interests			9.3									9.3
Exercise of stock options	798		51.8									51.8
Excess tax benefits from option exercises and restricted stock vesting			6.7									6.7
Vesting of issued restricted Class A common stock	450		(16.8		)							(16.8		)
Shares issued to Board of Directors	26		2.4									2.4
Shares issued under Employee Stock Purchase Plan	10		1.0									1.0
Stock-based compensation			45.2									45.2
Balance at September 30, 2015	336,736	3	$	17,699.6		$	3,771.8		$	(94.6	)	$	21,376.8

See accompanying notes to unaudited consolidated financial statements.

9

CME GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in millions)

(unaudited)

	Nine Months Ended September 30,
	2016			2015
Cash Flows from Operating Activities
Net income	$	1,160.7		$	955.3
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	42.3			45.2
Amortization of purchased intangibles	72.0			74.8
Depreciation and amortization	95.5			97.5
Gain on sale of BM&FBOVESPA shares	(6.4		)	(3.4		)
Debt prepayment costs	—			61.8
Loss on datacenter	27.1			—
Undistributed earnings, net of losses, of unconsolidated subsidiaries	(29.3		)	(15.2		)
Deferred income taxes	(79.3		)	49.8
Change in:
Accounts receivable	(18.7		)	(22.3		)
Other current assets	(12.5		)	12.4
Other assets	9.5			(18.4		)
Accounts payable	5.7			1.3
Income taxes payable	21.3			(70.1		)
Other current liabilities	(67.3		)	(31.3		)
Other liabilities	(14.3		)	(0.5		)
Other	(0.7		)	4.3
Net Cash Provided by Operating Activities	1,205.6			1,141.2
Cash Flows from Investing Activities
Proceeds from maturities of available-for-sale marketable securities	40.1			29.3
Purchases of available-for-sale marketable securities	(44.9		)	(29.3		)
Purchases of property, net	(62.9		)	(90.3		)
Investments in business ventures	(4.9		)	(7.0		)
Proceeds from sale of business venture	8.8			—
Proceeds from sale of BM&FBOVESPA shares	—			69.0
Settlement of derivative related to debt issuance	—			7.0
Net Cash Used in Investing Activities	(63.8		)	(21.3		)
Cash Flows from Financing Activities
Proceeds from debt, net of issuance costs	—			743.7
Repayment of debt	—			(673.0		)
Cash dividends	(1,584.3		)	(1,174.9		)
Proceeds from finance lease obligation	130.0			—
Proceeds from exercise of stock options	29.5			51.8
Excess tax benefits related to employee option exercises and restricted stock vesting	10.0			6.7
Settlement of contingent consideration	—			(7.0		)
Other	0.9			1.0
Net Cash Used in Financing Activities	(1,413.9		)	(1,051.7		)
Net change in cash and cash equivalents	(272.1		)	68.2
Cash and cash equivalents, beginning of period	1,692.6			1,366.1
Cash and Cash Equivalents, End of Period	$	1,420.5		$	1,434.3
Supplemental Disclosure of Cash Flow Information
Income taxes paid	$	545.5		$	548.5
Interest paid	84.8			89.1
Non-cash investing activities:
Accrued proceeds from sale of BM&FBOVESPA shares	20.8			—

See accompanying notes to unaudited consolidated financial statements.

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NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

1. Basis of Presentation

The consolidated financial statements consist of CME Group Inc. (CME Group) and its subsidiaries (collectively, the company), including Chicago Mercantile Exchange Inc. (CME), Board of Trade of the City of Chicago, Inc. (CBOT), New York Mercantile Exchange, Inc. (NYMEX), Commodity Exchange, Inc. (COMEX), CME Clearing Europe Limited (CMECE) and CME Europe Limited (CME Europe). CME, CBOT, NYMEX, COMEX, CMECE and CME Europe and their subsidiaries are referred to collectively as “the exchange” in the notes to the consolidated financial statements. The clearing houses include CME Clearing, which is the U.S. clearing house and a division of CME, and CMECE.

The accompanying interim consolidated financial statements have been prepared by CME Group without audit. Certain notes and other information normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States have been condensed or omitted. In the opinion of management, the accompanying consolidated financial statements include all normal recurring adjustments considered necessary to present fairly the financial position of the company at September 30, 2016 and December 31, 2015 and the results of operations and cash flows for the periods indicated. Quarterly results are not necessarily indicative of results for any subsequent period.

The accompanying consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto in CME Group’s Annual Report on Form 10-K for the year ended December 31, 2015, filed with the Securities and Exchange Commission (SEC) on February 26, 2016.

2. Performance Bonds and Guaranty Fund Contributions

Performance Bonds and Guaranty Fund Contributions. At September 30, 2016, performance bonds and guaranty fund contribution assets on the consolidated balance sheets include cash as well as U.S. Treasury securities and U.S. government agency securities with maturity dates of 90 days or less. U.S. Treasury securities and U.S. government agency securities are purchased by CME, at its discretion, using cash collateral. The benefits, including interest earned, and risks of ownership accrue to CME. Interest earned is included in investment income on the consolidated statements of income. These securities are classified as available-for-sale. At September 30, 2016, the amortized cost and fair value of the U.S. Treasury securities were $4,198.9 million and $4,199.5 million, respectively. At September 30, 2016, the amortized cost and fair value of the U.S. government securities were both $3,682.6 million. The U.S. Treasury securities and U.S. government agency securities will mature in the fourth quarter of 2016. Performance bonds and guaranty fund contribution assets also include overnight reverse repurchase agreements that were purchased by CME, at its discretion, using cash collateral. The fair value of the overnight securities under the reverse repurchase agreements was $1,052.7 million at September 30, 2016.

CME has been designated as a systemically important financial market utility by the Financial Stability Oversight Council and is authorized to establish and maintain a cash account at the Federal Reserve Bank of Chicago. CME has received approval to establish this account at the Federal Reserve Bank of Chicago for clearing members' proprietary cash balances and is currently operationalizing the account, including testing.

Clearing House Contract Settlement. CME Clearing and CMECE mark-to-market open positions for all futures and options contracts twice a day (once a day for CME's cleared-only credit default swap and interest rate swap contracts). Based on values derived from the mark-to-market process, CME Clearing and CMECE require payments from clearing firms whose positions have lost value and make payments to clearing firms whose positions have gained value. Under the extremely unlikely scenario of simultaneous default by every clearing firm who has open positions with unrealized losses, the maximum exposure related to positions other than cleared-only credit default and interest rate swap contracts would be one half day of changes in fair value of all open positions, before considering the clearing houses' ability to access defaulting clearing firms' collateral deposits. For CME's cleared-only credit default swap and interest rate swap contracts, the maximum exposure related to CME Clearing's guarantee would be one full day of changes in fair value of all open positions, before considering CME Clearing's ability to access defaulting clearing firms' collateral. During the first nine months of 2016, CME Clearing and CMECE transferred an average of approximately $3.3 billion a day through their clearing systems for settlement from clearing firms whose positions had lost value to clearing firms whose positions had gained value. CME Clearing and CMECE reduce their guarantee exposure through initial and maintenance performance bond requirements and mandatory guaranty fund contributions. The company believes that its guarantee liability is immaterial and therefore has not recorded any liability at September 30, 2016.

3. Property

In March 2016, the company sold its datacenter in the Chicago area for $130.0 million. At the time of the sale, the company leased back a portion of the property. The sale-leaseback transaction was recognized under the financing method and not as a sale-leaseback arrangement under generally accepted accounting principles due to the company's participation in future revenues and development work, which constitutes continuing involvement in the datacenter. Under the financing method, the assets remain on the consolidated balance sheet throughout the term of the lease and the proceeds of $130.0 million from the

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transaction are recognized as a finance lease obligation within other liabilities and other current liabilities in the consolidated balance sheet. A portion of the lease payments will be recognized as a reduction of the finance lease obligation and a portion will be recognized as interest expense based on an imputed interest rate.

The net cost basis of the property and equipment legally sold was $153.1 million at the date of the sale. At March 31, 2016, the company wrote down the property and equipment to a fair value of $130.0 million based on qualitative indications of impairment and a quantitative analysis based on undiscounted cash flows. The company recognized a net loss on the transaction of $27.1 million through other expenses, which includes the write down to fair value and certain other transaction-related costs. The company recognized a total net loss and expenses of $28.6 million, which also includes $1.5 million of legal and other fees incurred. The property and equipment legally sold will continue to be recognized on the consolidated balance sheets and will continue to be depreciated on the consolidated statements of income over the term of the lease.

The lease has an initial lease term ending in March 2031 and contains two consecutive renewal options for five years. Future minimum lease payments under this non-cancellable lease will be payable as follows as of September 30, 2016 (in millions):

Year
Remainder of 2016	$	4.2
2017	16.7
2018	16.8
2019	16.8
2020	16.9
Thereafter	180.5
Total	$	251.9

4. Intangible Assets

Intangible assets consisted of the following at September 30, 2016 and December 31, 2015:

	September 30, 2016							December 31, 2015
(in millions)	Assigned Value		Accumulated Amortization			Net Book Value		Assigned Value		Accumulated Amortization			Net Book Value
Amortizable Intangible Assets:
Clearing firm, market data and other customer relationships	$	2,838.8	$	(825.5	)	$	2,013.3	$	2,838.8	$	(754.5	)	$	2,084.3
Technology-related intellectual property	29.4		(28.2		)	1.2		29.4		(27.2		)	2.2
Other	2.4		(1.0		)	1.4		2.4		(1.0		)	1.4
Total amortizable intangible assets	$	2,870.6	$	(854.7	)	2,015.9		$	2,870.6	$	(782.7	)	2,087.9
Indefinite-Lived Intangible Assets:
Trade names						450.0							450.0
Total intangible assets – other, net						$	2,465.9						$	2,537.9
Trading products (1)						$	17,175.3						$	17,175.3

(1) Trading products represent futures and options products acquired in our business combinations with CBOT Holdings, Inc., NYMEX Holdings, Inc. and The Board of Trade of Kansas City, Missouri, Inc. Clearing and transaction fees are generated through the trading of these products. These trading products, most of which have traded for decades, require authorization from the Commodity Futures Trading Commission (CFTC). Product authorizations from the CFTC have no term limits.

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Total amortization expense for intangible assets was $24.0 million and $24.9 million for the quarters ended September 30, 2016 and 2015, respectively. Total amortization expense for intangible assets was $72.0 million and $74.8 million for the nine months ended September 30, 2016 and 2015, respectively. As of September 30, 2016, the future estimated amortization expense related to amortizable intangible assets is expected to be as follows:

(in millions)	Amortization Expense
Remainder of 2016	$	24.0
2017	95.5
2018	94.7
2019	94.7
2020	94.7
2021	94.7
Thereafter	1,517.6

5. Long-Term Investments

In September 2016, the company sold approximately 4.0 million shares of BM&FBOVESPA S.A. (BM&FBOVESPA) and recognized a net gain of $6.4 million within investment income on the consolidated statements of income. As of September 30, 2016, the company owned an approximate 4% interest in BM&FBOVESPA. At September 30, 2016, the fair value and cost basis of the remaining investment in BM&FBOVESPA was $351.1 million and $243.9 million, respectively.

6. Debt

In the first quarter of 2016, the company adopted the Financial Accounting Standards Board's (FASB) standards update on changes to the presentation of debt issuance costs. The update requires debt issuance costs related to a recognized debt liability to be presented as a deduction from the carrying value of the debt liability. Previously, debt issuance costs were recognized as deferred charges within other assets in the consolidated balance sheets. The standards update was applied on a retrospective basis, adjusting all prior periods presented, as if the new accounting methodology was in effect during those periods. At December 31, 2015, $12.1 million of debt issuance costs were reclassified in the consolidated balance sheet from other assets to long-term debt compared with what was previously reported. At September 30, 2016, $11.4 million of debt issuance costs were deducted from long-term debt. The change in accounting policy has been reflected in the table below.

Long-term debt consisted of the following at September 30, 2016 and December 31, 2015:

(in millions)	September 30, 2016		December 31, 2015
$750.0 million fixed rate notes due September 2022, stated rate of 3.00% (1)	$	745.0	$	744.4
$750.0 million fixed rate notes due March 2025, stated rate of 3.00% (2)	744.0		743.4
$750.0 million fixed rate notes due September 2043, stated rate of 5.30% (3)	741.7		741.5
Total long-term debt	$	2,230.7	$	2,229.3

(1) In August 2012, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.32%.

(2) In December 2014, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.11%.

(3) In August 2012, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 4.73%.

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Long-term debt maturities, at par value, were as follows at September 30, 2016:

(in millions)	Par Value
2017	$	—
2018	—
2019	—
2020	—
2021	—
Thereafter	2,250.0

7. Income Taxes

In the first quarter of 2016, the company adopted the FASB's standards update that simplifies the classification of deferred tax assets and liabilities. The update eliminates the current requirement to present deferred tax assets and liabilities as current and non-current in a classified balance sheet. Instead, all deferred tax assets, along with valuation allowances, and deferred tax liabilities are required to be classified as non-current. Companies are still required to offset deferred tax assets and liabilities for each taxpaying component within a tax jurisdiction. Beginning in the first quarter of 2016, the company adopted this standards update on a prospective basis and classified all deferred tax assets and liabilities as non-current. Prior period deferred tax assets and liabilities were not retrospectively adjusted.

A net current deferred tax asset of $27.9 million was included in other current assets at December 31, 2015. During the first quarter of 2016, net current deferred tax assets of $27.9 million were reclassified to net long-term liabilities. Total net current deferred tax assets are primarily attributable to stock-based compensation and accrued expenses.

Net long-term deferred tax liabilities were $7.3 billion and $7.4 billion at September 30, 2016 and December 31, 2015. Net deferred tax liabilities are principally the result of purchase accounting for intangible assets in our various mergers, including CBOT Holdings, Inc. and NYMEX Holdings, Inc.

Valuation allowances of $15.3 million and $122.3 million have been provided on deferred tax assets at September 30, 2016 and December 31, 2015, respectively. At September 30, 2016 and December 31, 2015, valuation allowances were related to certain domestic net operating losses, foreign net operating losses as well as built in capital losses for which we do not believe that we currently meet the more-likely-than-not-threshold for recognition. At September 30, 2016, the company released $106.3 million of valuation allowance on deferred tax assets relating to built-in losses on its investment in BM&FBOVESPA due to the implementation of a tax strategy to realize additional ordinary income tax losses on recent share sales and the remaining investment in BM&FBOVESPA.

8. Contingencies

Legal and Regulatory Matters. In 2013, the CFTC filed suit against NYMEX and two former employees alleging disclosure of confidential customer information in violation of the Commodity Exchange Act. NYMEX’s motion to dismiss was denied in 2014. Based on its investigation to date and advice from legal counsel, the company believes that it has strong factual and legal defenses to the claim.

In the normal course of business, the company discusses matters with its regulators raised during regulatory examinations or otherwise subject to their inquiry and oversight. These matters could result in censures, fines, penalties or other sanctions. Management believes the outcome of any resulting actions will not have a material impact on its consolidated financial position or results of operations. However, the company is unable to predict the outcome or the timing of the ultimate resolution of these matters, or the potential fines, penalties or injunctive or other equitable relief, if any, that may result from these matters.

In addition, the company is a defendant in, and has potential for, various other legal proceedings arising from its regular business activities. While the ultimate results of such proceedings against the company cannot be predicted with certainty, the company believes that the resolution of any of these matters on an individual or aggregate basis will not have a material impact on its consolidated financial position or results of operations.

At December 31, 2015, the company had accrued $3.5 million for legal and regulatory matters that were probable and estimable. No accrual was required for legal and regulatory matters that were probable and estimable as of September 30, 2016.

Intellectual Property Indemnifications. Certain agreements with customers and other third parties related to accessing the CME platforms, utilizing market data services and licensing CME SPAN software may contain indemnifications from intellectual property claims that may be made against them as a result of their use of the applicable products and/or services. The potential future claims relating to these indemnifications cannot be estimated and therefore no liability has been recorded.

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9. Guarantees

Mutual Offset Agreement. CME and Singapore Exchange Limited (SGX) have a mutual offset agreement with a current term through October 2017. This agreement enables market participants to open a futures position on one exchange and liquidate it on the other. The term of the agreement will automatically renew for a one-year period unless either party provides advance notice of their intent to terminate. CME must maintain U.S. Treasury securities or irrevocable, standby letters of credit as collateral for this agreement. At September 30, 2016, CME was contingently liable to SGX on letters of credit totaling $760.0 million. Regardless of the collateral, CME guarantees all cleared transactions submitted through SGX and would initiate procedures designed to satisfy these financial obligations in the event of a default, such as the use of performance bonds and guaranty fund contributions of the defaulting clearing firm. The company believes that its guarantee liability is immaterial and therefore has not recorded any liability at September 30, 2016.

Family Farmer and Rancher Protection Fund. In 2012, the company established the Family Farmer and Rancher Protection Fund (the Fund). The Fund is designed to provide payments, up to certain maximum levels, to family farmers, ranchers and other agricultural industry participants who use the company's agricultural commodity products and who suffer losses to their segregated account balances due to their CME clearing member becoming insolvent. Under the terms of the Fund, farmers and ranchers are eligible for up to $25,000 per participant. Farming and ranching cooperatives are eligible for up to $100,000 per cooperative. The Fund was established with a maximum of $100.0 million available for distribution to participants. Since its establishment, the Fund has made payments of approximately $2.0 million, which leaves $98.0 million available for future claims. If, at any time, payments due to participants were to exceed the amount remaining in the fund, payments would be pro-rated. Clearing members and customers must register with the company in advance and provide certain documentation in order to substantiate their eligibility. The company believes that its guarantee liability is immaterial and therefore has not recorded any liability at September 30, 2016.

10. Accumulated Other Comprehensive Income (Loss)

The following tables present changes in the accumulated balances for each component of other comprehensive income (loss), including current period other comprehensive income (loss) and reclassifications out of accumulated other comprehensive income (loss):

(in millions)	Investment Securities			Defined Benefit Plans			Derivative Investments			Foreign Currency Translation			Total
Balance at December 31, 2015	$	(95.0	)	$	(36.6	)	$	59.6		$	(8.8	)	$	(80.8	)
Other comprehensive income (loss) before reclassifications and income tax benefit (expense)	177.7			3.1			—			(5.6		)	175.2
Amounts reclassified from accumulated other comprehensive income (loss)	(6.3		)	2.4			(0.9		)	—			(4.8		)
Income tax benefit (expense)	(65.9		)	(2.1		)	0.3			1.0			(66.7		)
Net current period other comprehensive income (loss)	105.5			3.4			(0.6		)	(4.6		)	103.7
Balance at September 30, 2016	$	10.5		$	(33.2	)	$	59.0		$	(13.4	)	$	22.9

(in millions)	Investment Securities			Defined Benefit Plans			Derivative Investments			Foreign Currency Translation			Total
Balance at December 31, 2014	$	(22.9	)	$	(31.3	)	$	62.6		$	(2.2	)	$	6.2
Other comprehensive income (loss) before reclassifications and income tax benefit (expense)	(91.0		)	(0.3		)	(4.7		)	(10.0		)	(106.0		)
Amounts reclassified from accumulated other comprehensive income (loss)	(3.4		)	2.0			0.9			—			(0.5		)
Income tax benefit (expense)	1.2			(0.6		)	1.5			3.6			5.7
Net current period other comprehensive income (loss)	(93.2		)	1.1			(2.3		)	(6.4		)	(100.8		)
Balance at September 30, 2015	$	(116.1	)	$	(30.2	)	$	60.3		$	(8.6	)	$	(94.6	)

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11. Fair Value Measurements

The company uses a three-level classification hierarchy of fair value measurements for disclosure purposes.

• Level 1 inputs, which are considered the most reliable evidence of fair value, consist of quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2 inputs consist of observable market data, such as quoted prices for similar assets and liabilities in active markets, or inputs other than quoted prices that are directly observable.

• Level 3 inputs consist of unobservable inputs which are derived and cannot be corroborated by market data or other entity-specific inputs.

Level 1 assets generally include U.S. Treasury securities, U.S. government agency securities, investments in publicly traded mutual funds, equity securities and corporate debt securities with quoted market prices. In general, the company uses quoted prices in active markets for identical assets to determine the fair value of marketable securities and equity investments. If quoted prices are not available to determine fair value, the company uses other inputs that are directly observable.

Assets included in level 2 generally consist of asset-backed securities. Asset-backed securities were measured at fair value based on matrix pricing using prices of similar securities with similar inputs such as maturity dates, interest rates and credit ratings.

Financial assets recorded in the consolidated balance sheet as of September 30, 2016 were classified in their entirety based on the lowest level of input that was significant to each asset's fair value measurement. There were no liabilities that were measured at fair value as of September 30, 2016. The following tables present financial instruments measured at fair value on a recurring basis:

	September 30, 2016
(in millions)	Level 1		Level 2		Level 3		Total
Assets at Fair Value:
Marketable securities:
Corporate debt securities	$	22.0	$	—	$	—	$	22.0
Mutual funds	60.9		—		—		60.9
Equity securities	0.1		—		—		0.1
Asset-backed securities	—		0.3		—		0.3
Total Marketable Securities	83.0		0.3		—		83.3
Performance bonds and guaranty fund contributions (1):
U.S. Treasury securities	4,199.5		—		—		4,199.5
U.S. government agencies securities	3,682.6		—		—		3,682.6
Equity investments	369.7		—		—		369.7
Total Assets at Fair Value	$	8,334.8	$	0.3	$	—	$	8,335.1

(1) Performance bonds and guaranty fund contributions on the consolidated balance sheet at September 30, 2016 include U.S. Treasury securities and U.S. government agency securities purchased with cash collateral.

There were no transfers of assets or liabilities between level 1, level 2 and level 3 during the first nine months of 2016. There were no level 3 assets valued at fair value on a recurring basis during the first nine months of 2016. The following is a reconciliation of level 3 liabilities valued at fair value on a recurring basis during the first nine months of 2016.

(in millions)	Contingent Consideration
Fair value of liability at December 31, 2015	$	0.3
Realized and unrealized (gains) losses:
Included in other expenses	(0.3		)
Fair value of liability at September 30, 2016	$	—

In the first quarter of 2016, the company sold a datacenter and leased back a portion of the property. Under generally accepted accounting principles, the transaction has been recognized under the financing method instead of recognized as a sale-leaseback arrangement. As a result, the property and equipment legally sold will continue to be recognized on the consolidated balance sheets and was written down to a fair value of $130.0 million at March 31, 2016. In the second and third quarters of 2016, the

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company also recorded impairment charges totaling $5.5 million on one of its strategic investments. The fair value of the investment was estimated to be zero at September 30, 2016. Both assessments were based on qualitative indications of impairment and a quantitative analysis of undiscounted cash flows. The fair values of the datacenter and strategic investment are considered level 3 and nonrecurring. There were no other level 3 assets or liabilities valued at fair value on a nonrecurring basis during the first nine months of 2016.

The following presents the estimated fair values of long-term debt notes, which are carried at amortized cost on the consolidated balance sheets. The fair values, which are classified as level 2 under the fair value hierarchy, were estimated using quoted market prices. At September 30, 2016, the fair values were as follows:

(in millions)	Fair Value
$750.0 million fixed rate notes due September 2022, stated rate of 3.00%	$	798.8
$750.0 million fixed rate notes due March 2025, stated rate of 3.00%	789.8
$750.0 million fixed rates notes due September 2043, stated rate of 5.30%	971.5

12. Earnings Per Share

Basic earnings per share is computed by dividing net income attributable to the company by the weighted average number of shares of all classes of CME Group common stock outstanding for each reporting period. Diluted earnings per share reflects the increase in shares using the treasury stock method to reflect the impact of an equivalent number of shares of common stock if stock options were exercised and restricted stock awards were converted into common stock. Anti-dilutive stock options, restricted stock and performance share awards were as follows for the periods presented:

	Quarter Ended September 30,		Nine Months Ended September 30,
(in thousands)	2016	2015	2016	2015
Stock options	311	432	315	432
Restricted stock and performance shares	530	—	530	538
Total	841	432	845	970

The following table presents the earnings per share calculation for the periods presented:

	Quarter Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Net Income (in millions)	$	472.8	$	359.9	$	1,160.7	$	955.3
Weighted Average Number of Common Shares (in thousands):
Basic	337,592		336,323		337,299		336,015
Effect of stock options, restricted stock and performance shares	1,551		1,816		1,535		1,789
Diluted	339,143		338,139		338,834		337,804
Earnings per Common Share:
Basic	$	1.40	$	1.07	$	3.44	$	2.84
Diluted	1.39		1.06		3.43		2.83

13. Subsequent Events

The company has evaluated subsequent events through the date the financial statements were issued and has determined that there are no subsequent events that require disclosure, except the following:

In October 2016, the company sold approximately 24.0 million shares of BM&FBOVESPA and recognized a net gain of approximately $42.0 million within investment income on the consolidated statements of income during the fourth quarter. Following the sale, the company owned an approximate 2% interest in BM&FBOVESPA.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion is provided as a supplement to, and should be read in conjunction with the accompanying unaudited consolidated financial statements and notes in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for the year ended December 31, 2015.

References in this discussion and analysis to “we,” “us” and “our” are to CME Group Inc. (CME Group) and its consolidated subsidiaries, collectively. References to “exchange” are to Chicago Mercantile Exchange Inc. (CME), Board of Trade of the City of Chicago, Inc. (CBOT), New York Mercantile Exchange, Inc. (NYMEX), Commodity Exchange, Inc. (COMEX), CME Clearing Europe Limited (CMECE) and CME Europe Limited (CME Europe), collectively, unless otherwise noted. The clearing houses include CME Clearing, which is the U.S. clearing house and a division of CME, and CMECE.

RESULTS OF OPERATIONS

Financial Highlights

The following summarizes significant changes in our financial performance for the periods presented.

	Quarter Ended September 30,								Nine Months Ended September 30,
(dollars in millions, except per share data)	2016			2015			Change		2016			2015			Change
Total revenues	$	841.7		$	850.3		(1	)%	$	2,682.3		$	2,513.0		7	%
Total expenses	316.4			333.9			(5	)	1,019.8			994.2			3
Operating margin	62.4		%	60.7		%			62.0		%	60.4		%
Non-operating income (expense)	$	23.5		$	—		n.m.		$	30.9		$	(30.5	)	n.m.
Effective tax rate	13.8		%	30.3		%			31.5		%	35.8		%
Net income	$	472.8		$	359.9		31		$	1,160.7		$	955.3		21
Diluted earnings per common share	1.39			1.06			31		3.43			2.83			21
Cash flows from operating activities									1,205.6			1,141.2			6

n.m. not meaningful

Revenues

	Quarter Ended September 30,						Nine Months Ended September 30,
(dollars in millions)	2016		2015		Change		2016		2015		Change
Clearing and transaction fees	$	704.2	$	715.0	(2	)%	$	2,267.9	$	2,105.0	8	%
Market data and information services	101.1		99.5		2		306.4		300.3		2
Access and communication fees	23.8		21.6		10		67.7		64.4		5
Other	12.6		14.2		(11	)	40.3		43.3		(7	)
Total Revenues	$	841.7	$	850.3	(1	)	$	2,682.3	$	2,513.0	7

Clearing and Transaction Fees

Futures and Options Contracts

The following table summarizes our total contract volume, revenue and average rate per contract for futures and options. Total contract volume includes contracts that are traded on our exchange and cleared through our clearing houses and certain cleared-only contracts. Volume is measured in round turns, which is considered a completed transaction that involves a purchase and an offsetting sale of a contract. Average rate per contract is determined by dividing total clearing and transaction fees by total contract volume. Contract volume and average rate per contract disclosures exclude interest rate swaps and credit default swaps. The interest rate swaps and credit default swaps are discussed in a later section.

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	Quarter Ended September 30,						Nine Months Ended September 30,
	2016		2015		Change		2016		2015		Change
Total contract volume (in millions)	916.4		920.6		—	%	2,915.2		2,689.1		8	%
Clearing and transaction fees (in millions)	$	687.2	$	698.7	(2	)	$	2,222.9	$	2,051.2	8
Average rate per contract	$	0.750	$	0.759	(1	)	$	0.763	$	0.763	—

We estimate the following increases (decreases) in clearing and transaction fees based on changes in total contract volumes and changes in average rate per contract for futures and options during the third quarter and first nine months of 2016 when compared with the same periods in 2015.

(in millions)	Quarter Ended			Nine Months Ended
Increases (decreases) due to changes in total contract volume	$	(3.1	)	$	172.4
Decreases due to changes in average rate per contract	(8.4		)	(0.7		)
Increases (decreases) in clearing and transaction fees	$	(11.5	)	$	171.7

Average rate per contract is impacted by our rate structure, including volume-based incentives; product mix; trading venue, and the percentage of volume executed by customers who are members compared with non-member customers. Due to the relationship between average rate per contract and contract volume, the change in clearing and transaction fees attributable to changes in each is only an approximation.

Contract Volume

The following table summarizes average daily contract volume. Contract volume can be influenced by many factors, including political and economic conditions, the regulatory environment and market competition. 

	Quarter Ended September 30,						Nine Months Ended September 30,
(amounts in thousands)	2016		2015		Change		2016		2015		Change
Average Daily Volume by Product Line:
Interest rate	6,791		6,658		2	%	7,255		6,930		5	%
Equity	2,876		3,287		(12	)	3,123		2,808		11
Foreign exchange	771		855		(10	)	850		903		(6	)
Agricultural commodity	1,156		1,266		(9	)	1,364		1,287		6
Energy	2,294		1,965		17		2,381		1,949		22
Metal	431		353		22		451		351		29
Aggregate average daily volume	14,319		14,384		—		15,424		14,228		8
Average Daily Volume by Venue:
Electronic	12,672		12,620		—		13,562		12,444		9
Open outcry	982		1,111		(12	)	1,156		1,168		(1	)
Privately negotiated	665		653		2		706		616		15
Aggregate average daily volume	14,319		14,384		—		15,424		14,228		8
Electronic Volume as a Percentage of Total Volume	88	%	88	%			88	%	87	%

Overall contract volumes remained high in the first half of 2016 but tapered slightly in the third quarter of 2016 as overall market volatility declined slightly compared with previous quarters. We believe global market concerns, considerable uncertainty regarding the Federal Reserve's interest rate policy and the anticipation of the United Kingdom European Union membership referendum contributed to considerable volatility throughout early 2016, which generated overall volume growth in the first nine months of 2016. However, market volatility tapered slightly in the third quarter of 2016 from higher levels in early 2016 as uncertainty and global market concerns subsided.

Crude oil volumes continued to grow throughout the first nine months of 2016 as crude oil market volatility remained high throughout the year. The crude oil markets continued to show considerable uncertainty regarding the direction of future oil prices as global supplies continue to remain high.

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Interest Rate Products

The following table summarizes average daily contract volume for our key interest rate products. Eurodollar Front 8 futures include contracts expiring in two years or less. Eurodollar Back 32 futures include contracts with expirations after two years through ten years.

	Quarter Ended September 30,				Nine Months Ended September 30,
(amounts in thousands)	2016	2015	Change		2016	2015	Change
Eurodollar futures and options:
Front 8 futures	1,665	1,544	8	%	1,773	1,640	8	%
Back 32 futures	620	692	(10	)	647	760	(15	)
Options	1,052	959	10		1,200	926	30
U.S. Treasury futures and options:
10-Year	1,539	1,548	(1	)	1,664	1,701	(2	)
5-Year	808	829	(3	)	862	846	2
Treasury bond	326	362	(10	)	342	377	(9	)
2-Year	316	346	(9	)	324	358	(10	)

In the third quarter and first nine months of 2016 when compared with the same periods in 2015, overall interest rate contract volumes increased slightly due to growth in short-term interest rate contracts, including the Eurodollar Front 8 futures and Eurodollar options. We believe this resulted from volatility from the continued uncertainty around changes to the Federal Reserve's interest rate policy in the near-term. Longer-term interest rate contract volumes, including the Back 32 futures and the U.S. Treasury products, declined as participants became more focused on short-term interest rate uncertainty. In addition, electronic Eurodollar options volumes increased in the third quarter and first nine months of 2016 due to our continued investment in system enhancements and client education.

Equity Products

The following table summarizes average daily contract volume for our key equity products.

	Quarter Ended September 30,				Nine Months Ended September 30,
(amounts in thousands)	2016	2015	Change		2016	2015	Change
E-mini S&P 500 futures and options	2,347	2,593	(9	)%	2,492	2,208	13	%
E-mini NASDAQ 100 futures and options	236	315	(25	)	281	274	3

Overall equity contract volume decreased in the third quarter of 2016 when compared with the same period in 2015 due to overall lower market volatility, as measured by the CBOE Volatility Index. Equity price volatility declined in the third quarter compared with previous quarters as interest rate uncertainty and global market concerns subsided. In the third quarter of 2015, we believe the deceleration of the Chinese economy resulted in periods of high volatility within equity markets, which also contributed to a decrease in volume in the third quarter of 2016 when compared with the same period in 2015. Contract volume increased in the first nine months of 2016 when compared with the same period of 2015 due to periods of higher market volatility throughout early 2016, which we believe were due to continued concern surrounding the Federal Reserve's interest rate policy, uncertainty surrounding the United Kingdom European Union membership referendum and declining global crude oil prices.

Foreign Exchange Products

The following table summarizes average daily contract volume for our key foreign exchange products.

	Quarter Ended September 30,				Nine Months Ended September 30,
(amounts in thousands)	2016	2015	Change		2016	2015	Change
Euro	184	279	(34	)%	225	319	(29	)%
Japanese yen	140	162	(14	)	159	159	—
British pound	114	101	13		122	112	9
Australian dollar	103	101	1		109	103	6
Canadian dollar	76	79	(4	)	82	76	7

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In the third quarter and first nine months of 2016 when compared with the same periods in 2015, overall foreign exchange contract volumes decreased largely due to declines in Euro contract volumes resulting from low volatility. We believe the lower volatility throughout 2016 resulted from a lack of global macroeconomic drivers affecting the Euro. Euro contract volumes were high throughout 2015 due to volatility caused by quantitative easing programs initiated by central banks throughout Europe in early 2015. Japanese yen contract volume decreased in the third quarter of 2016 due to uncertainty within the Japanese markets, which led market participants to seek safe haven currency alternatives.

Agricultural Commodity Products

The following table summarizes average daily contract volume for our key agricultural commodity products.

	Quarter Ended September 30,				Nine Months Ended September 30,
(amounts in thousands)	2016	2015	Change		2016	2015	Change
Corn	374	448	(16	)%	452	436	4	%
Soybean	253	266	(5	)	333	283	18
Wheat	173	174	—		196	190	3

In the third quarter of 2016 when compared with the same period in 2015, overall agricultural commodity contract volume decreased due to lower price volatility, which we believe resulted from improved weather conditions. Contract volume increased in the first nine months of 2016 when compared with the same period in 2015 due to higher price volatility in the first half of 2016, which we believe was caused by greater uncertainty related to weather conditions and crop production for the 2016 growing season.

Energy Products

The following table summarizes average daily contract volume for our key energy products.

	Quarter Ended September 30,				Nine Months Ended September 30,
(amounts in thousands)	2016	2015	Change		2016	2015	Change
WTI crude oil	1,248	1,001	25	%	1,290	1,000	29	%
Natural gas	509	414	23		521	450	16
Refined products	365	323	13		369	327	13
Brent crude oil	81	110	(27	)	96	112	(14	)

Overall energy contract volumes increased in the third quarter and first nine months of 2016 when compared with the same periods in 2015 largely due to increases in WTI crude oil trading, which we believe resulted from continued price volatility caused by excess global crude oil supplies. In 2016, the overall market shifted more focus on WTI crude oil instead of Brent crude oil because of the marketplace's increased weighting of WTI pricing as a global benchmark price for crude oil.Additionally, natural gas and refined products contract volumes increased largely due to higher price volatility caused by shifts in supply and demand in the underlying markets.

Metal Products

The following table summarizes average daily volume for our key metal products.

	Quarter Ended September 30,				Nine Months Ended September 30,
(amounts in thousands)	2016	2015	Change		2016	2015	Change
Gold	255	205	24	%	270	202	34	%
Copper	73	68	7		80	68	17
Silver	80	57	40		78	60	31

We believe the increases in metal contract volumes in the third quarter and first nine months of 2016 when compared with the same periods in 2015 were due to investors using gold and other precious metals as a safe haven investment alternative to the volatile equity markets in early 2016.

Average Rate per Contract

In the third quarter and first nine months of 2016 compared with the same periods in 2015, the average rate per contract remained relatively flat. The impacts from a rate increase in early 2016 were offset by higher volume-based incentives and discounts on our contracts as well as increases in trades executed by members, as a percentage of total trading volume.

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Cleared-only Swap Contracts

Clearing and transaction fees as presented on the consolidated statements of income include revenues for our cleared-only interest rate swap and credit default swap contracts. In the third quarter of 2016 and 2015, clearing and transaction fees generated from these contracts were $17.0 million and $16.3 million, respectively. In the first nine months of 2016 and 2015, clearing and transaction fees generated from these contracts were $45.0 million and $53.8 million, respectively. The decrease in revenues in the first nine months of 2016 when compared with the same period in 2015 was largely attributable to a reduction in client activity after the first quarter of 2015, as we believe some customers chose alternative products and venues to manage risk.

Concentration of Revenue

We bill a substantial portion of our clearing and transaction fees directly to our clearing firms. The majority of clearing and transaction fees received from clearing firms represent charges for trades executed and cleared on behalf of their customers. One firm represented 13% and one firm represented 10% of our clearing and transaction fees in the first nine months of 2016. Should a clearing firm withdraw, we believe that the customer portion of the firm’s trading activity would likely transfer to another clearing firm of the exchange. Therefore, we do not believe we are exposed to significant risk from the ongoing loss of revenue received from or through a particular clearing firm.

Other Sources of Revenue

Beginning in 2016, the partial fee waivers that existed in 2015 ended, which contributed to an increase in market data and information services revenue in the first nine months of 2016 when compared with the same period in 2015. The increase was partially offset by some rationalization as customer firms transitioned into full-priced offerings, as well as reductions in overall screen counts at member banks.

The two largest resellers of our market data represented approximately 40% of our market data and information services revenue in the first nine months of 2016. Despite this concentration, we consider exposure to significant risk of revenue loss to be minimal. In the event that one of these vendors no longer subscribes to our market data, we believe the majority of that vendor’s customers would likely subscribe to our market data through another reseller. Additionally, several of our largest institutional customers that utilize services from our two largest resellers report usage and remit payment of their fees directly to us.

Expenses

	Quarter Ended September 30,						Nine Months Ended September 30,
(dollars in millions)	2016		2015		Change		2016		2015		Change
Compensation and benefits	$	130.6	$	136.4	(4	)%	$	394.2	$	419.2	(6	)%
Communications	6.9		7.1		(2	)	19.9		21.3		(6	)
Technology support services	17.3		15.4		12		52.4		47.1		11
Professional fees and outside services	33.5		33.8		(1	)	104.2		90.6		15
Amortization of purchased intangibles	24.0		24.9		(4	)	72.0		74.8		(4	)
Depreciation and amortization	31.2		32.4		(4	)	95.5		97.5		(2	)
Occupancy and building operations	19.6		23.1		(15	)	65.3		69.4		(6	)
Licensing and other fee agreements	31.5		33.1		(5	)	103.3		92.5		12
Other	21.8		27.7		(21	)	113.0		81.8		38
Total Expenses	$	316.4	$	333.9	(5	)	$	1,019.8	$	994.2	3

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Operating expenses decreased by $17.5 million in the third quarter of 2016 and increased by $25.6 million in the first nine months of 2016 when compared with the same periods in 2015. The following table shows the estimated impacts of key factors resulting in the changes in operating expenses:

	Quarter Ended, September 30, 2016					Nine Months Ended, September 30, 2016
	Amount  of Change			Change as  a Percentage of Total Expenses		Amount  of Change			Change as  a Percentage of Total Expenses
(dollars in millions)
Loss on datacenter and related legal fees	$	—		—	%	$	28.6		3	%
Professional fees and outside services	3.4			1		16.5			2
Licensing and other fee agreements	(1.6		)	—		10.8			1
Foreign currency exchange rate fluctuation	(6.2		)	(2	)	10.4			1
Non-qualified deferred compensation plan	7.0			2		5.4			—
Rent expense	(3.4		)	(1	)	(4.3		)	—
Bonus expense	(3.8		)	(1	)	(4.4		)	—
Real estate taxes and fees	—			—		(10.0		)	(1	)
Reorganization costs	(13.6		)	(4	)	(19.8		)	(2	)
Other expenses, net	0.7			—		(7.6		)	(1	)
Total increase	$	(17.5	)	(5	)%	$	25.6		3	%

Increases in operating expenses in the third quarter and first nine months of 2016 when compared with the same periods in 2015 were as follows:

• In the first quarter of 2016, we sold and leased back our datacenter in the Chicago area. The transaction was recognized under the financing method under generally accepted accounting principles. We recognized total losses and expenses of $28.6 million, including a net loss on write-down to fair value of the assets and certain other transaction fees of $27.1 million within other expenses and $1.5 million of legal and other fees.

• Professional fees and outside services expense increased in the first nine months of 2016 largely due to an increase in legal efforts related to our business activities and product offerings as well as an increase in professional fees related to a greater reliance on consultants for security and systems enhancement work.

• The increase in licensing and other fee sharing agreements expense in the first nine months of 2016 resulted from higher expense related to revenue sharing agreements for certain equity and energy contracts due to both higher volume and an increase in the license rates for certain equity and energy products.

• In the first nine months of 2016, we recognized a net loss of $16.5 million due to an unfavorable change in exchange rates on foreign cash balances, compared with a net loss of $6.1 million in the first nine months of 2015. In the third quarter of 2016, we recognized a net loss of $1.0 million due to an unfavorable change in exchange rates on foreign cash balances, compared with a net loss of $7.2 million in the third quarter of 2015. Gains and losses from exchange rate fluctuations result when subsidiaries with a U.S. dollar functional currency hold cash as well as certain other monetary assets and liabilities denominated in foreign currencies.

• Increases in our non-qualified deferred compensation liability, the impact of which does not affect net income because of an equal and offsetting change in investment income, contributed to increases in operating expenses.

Decreases in operating expenses in the third quarter and first nine months of 2016 when compared with the same periods in 2015 were as follows:

• Rent expense decreased largely due to a reduction in office and data center space during 2016.

• Bonus expense decreased due to performance relative to our 2016 cash earnings target when compared with 2015 performance relative to our 2015 cash earnings target.

• In the second quarter of 2015, we recognized additional real estate taxes and fees related to the transfer of the ownership of the NYMEX building.

• Severance and other costs related to the reorganization announced in October 2014 and the reduction of our trading floors in mid-2015 were recognized in the first quarter of 2015, in addition to a reorganization in the third quarter of 2015. These factors resulted in decreases in compensation and benefits expenses in the third quarter and first nine months of 2016 when compared with the same periods in 2015.

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Non-Operating Income (Expense)

	Quarter Ended September 30,							Nine Months Ended September 30,
(dollars in millions)	2016			2015			Change	2016			2015			Change
Investment income	$	36.5		$	2.5		n.m.	$	71.3		$	26.7		167	%
Gains (losses) on derivative investments	—			—			—	—			(1.8		)	n.m.
Interest and other borrowing costs	(31.1		)	(28.3		)	10	(91.9		)	(88.5		)	4
Equity in net earnings (losses) of unconsolidated subsidiaries	28.6			26.6			8	82.4			75.1			10
Other non-operating income (expense)	(10.5		)	(0.8		)	n.m.	(30.9		)	(42.0		)	(26	)
Total Non-Operating	$	23.5		$	—		n.m.	$	30.9		$	(30.5	)	n.m.

n.m. not meaningful

Investment income increased in the third quarter of 2016 and first nine months of 2016 when compared with the same periods in 2015. Investment income increased largely due to increases in the rate of interest earned from cash performance bond and guaranty fund contributions that are reinvested. Additionally, we recognized higher net gains (losses) on investments, including gains on sales of shares of BM&FBOVESPA S.A. (BM&FBOVESPA) and net gains (losses) on other business ventures, in the third quarter and first nine months of 2016 compared with the same periods in 2015. The increases in investment income were also attributable to increases in net gains on marketable securities related to our non-qualified deferred compensation plan. Gains and losses from securities in the non-qualified deferred compensation plan are offset by an equal amount of compensation and benefits expense. The increases in investment income were partially offset by decreases in dividend income.

The overall increases in interest and other borrowing costs in the third quarter and first nine months of 2016 when compared with the same periods in 2015 were due to increases in commitment fees on line of credit agreements and additional interest expense related to our finance lease obligation related to one of our datacenters. In the first nine months of 2016 when compared with the same period in 2015, the increase in interest and borrowing costs was offset by a decrease in interest and borrowing costs on our outstanding borrowings as follows:

	Quarter Ended September 30,									Nine Months Ended September 30,
	2016			2015			Change			2016			2015			Change
Weighted average borrowings outstanding (in millions)	$	2,250.0		$	2,250.0		$	—		$	2,250.0		$	2,283.4		$	(33.4	)
Weighted average effective yield	3.71		%	3.71		%	—		%	3.71		%	3.83		%	(0.12		)%
Average cost of borrowings (1)	3.91			3.86			0.05			3.91			4.05			(0.14		)

(1) Average cost of borrowings includes interest, the effective portion of interest rate hedges, discount accretion and debt issuance costs. Commitment fees on line of credit agreements are not included in the average cost of borrowings.

In March 2015, we issued $750.0 million 3.0% notes due March 2025. In April 2015, we repurchased the $612.5 million 4.40% notes due March 2018. These transactions decreased weighted average borrowings outstanding, weighted average effective yield and average cost of borrowings for the first nine months of 2016 when compared with the same period in 2015.

Higher income generated from our S&P/Dow Jones Indices LLC business venture contributed to increases in equity in net earnings (losses) of unconsolidated subsidiaries in the third quarter and first nine months of 2016 when compared with the same periods in 2015.

In April 2015, we repurchased the $612.5 million fixed rate notes due 2018 and paid a call premium of $60.5 million. As a result of the transaction, we recognized debt prepayment costs of $61.8 million in the second quarter of 2015, which included the call premium and was included in other non-operating income (expense). In the first quarter of 2015, we received a termination fee of $22.5 million, net of the portion paid to outside advisers, related to our proposed acquisition of GFI Group Inc. (GFI Group), which was classified as income within other non-operating income (expense). In the third quarter and first nine months of 2016 when compared with the same periods in 2015, we recognized higher expenses related to the distribution of interest earned on performance bond collateral reinvestment to the clearing firms. This expense is included in other non-operating income (expense).

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Income Tax Provision

The following table summarizes the effective tax rates for the periods presented:

	2016		2015
Quarter ended September 30	13.8	%	30.3	%
Nine months ended September 30	31.5	%	35.8	%

The overall decreases in the effective tax rates in the third quarter and first nine months of 2016 when compared with the same periods in 2015 were due to implementation of strategies to realize additional income tax benefits from the investment in BM&FBOVESPA stock. In the third quarter of 2016, we also recognized a benefit related to the remeasurement of deferred tax liabilities resulting from our 2015 state income tax filings. The overall decrease in the effective tax rate in the first nine months of 2016 was partially offset by additional tax expense recognized from the remeasurement of tax positions resulting from a state and local income tax law change in the second quarter of 2016.

Liquidity and Capital Resources

Sources and Uses of Cash. Net cash provided by operating activities increased in the first nine months of 2016 when compared with the same period of 2015. The increase in net cash provided by operating activities was largely attributable to higher clearing and transaction fees resulting from an increase in volume. Net cash used in investing activities increased in the first nine months of 2016 when compared with the same period of 2015 due to lower proceeds received from our sales of BM&FBOVESPA shares in the first nine months of 2016 when compared with the same period in 2015. This increase was partially offset by a decrease in purchases of property and equipment in the first nine months of 2016 when compared with the same period in 2015. Cash used in financing activities was higher in the first nine months of 2016 when compared with the same period in 2015. The increase was attributable to higher cash dividends paid in the first nine months of 2016 when compared with the same period in 2015. The increase was partially offset by proceeds from a finance lease obligation related to the sale-leaseback of the datacenter in the first quarter of 2016.

Debt Instruments. The following table summarizes our debt outstanding at September 30, 2016:

(in millions)	Par Value
Fixed rate notes due September 2022, stated rate of 3.00% (1)	$	750.0
Fixed rate notes due March 2025, stated rate of 3.00% (2)	750.0
Fixed rate notes due September 2043, stated rate of 5.30% (3)	750.0

(1) In August 2012, we entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable effectively became fixed at a rate of 3.32%.

(2) In December 2014, we entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable effectively became fixed at a rate of 3.11%.

(3) In August 2012, we entered into a forward starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable effectively became fixed at a rate of 4.73%.

We maintain a $2.3 billion multi-currency revolving senior credit facility with various financial institutions, which matures in March 2020. The proceeds from this facility can be used for general corporate purposes, which includes providing liquidity for our clearing houses in certain circumstances at CME Group's discretion and, if necessary, for maturities of commercial paper. As long as we are not in default under this facility, we have the option to increase it up to $3.0 billion with the consent of the agent and lenders providing the additional funds. This facility is voluntarily pre-payable from time to time without premium or penalty. Under this facility, we are required to remain in compliance with a consolidated net worth test, which is defined as our consolidated shareholders' equity at December 31, 2014, giving effect to share repurchases made and special dividends paid during the term of the agreements (and in no event greater than $2.0 billion in aggregate), multiplied by 0.65. We currently do not have any borrowings outstanding under this facility.

In March 2016, we sold our datacenter in the Chicago area for $130.0 million. At the time of the sale, we leased back a portion of the property. Under generally accepted accounting principles, the transaction has been accounted for under the financing method instead of a sale-leaseback arrangement because our participation in future revenues and development work constitute continuing involvement in the datacenter. Under the financing method, the assets remain on the consolidated balance sheet throughout the term of the lease and the proceeds of $130.0 million from the transaction are recognized as a finance lease obligation within other liabilities and other current liabilities in the consolidated balance sheet. A portion of the lease payments will be recognized as a reduction of the finance lease obligation and a portion will be recognized as interest expense based on an imputed interest rate.

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We maintain a 364-day multi-currency revolving secured credit facility with a consortium of domestic and international banks to be used in certain situations by CME Clearing. The facility provides for borrowings of up to $7.0 billion. We may use the proceeds to provide temporary liquidity in the unlikely event of a clearing firm default, in the event of a liquidity constraint or default by a depositary (custodian for our collateral), or in the event of a temporary disruption with the domestic payments system that would delay payment of settlement variation between us and our clearing firms. CME clearing firm guaranty fund contributions received in the form of cash or U.S. Treasury securities as well as the performance bond assets of a defaulting firm can be used to collateralize the facility. At September 30, 2016, guaranty funds available to collateralize the facility totaled $6.4 billion. We have the option to request an increase in the line from $7.0 billion to $10.0 billion. Our 364-day facility contains a requirement that CME remain in compliance with a consolidated tangible net worth test, defined as CME consolidated shareholder's equity less intangible assets (as defined in the agreement), of not less than $800.0 million. We currently do not have any borrowings outstanding under this facility.

The indentures governing our fixed rate notes, our $2.3 billion multi-currency revolving senior credit facility and our 364-day multi-currency revolving secured credit facility for $7.0 billion do not contain specific covenants that restrict the ability to pay dividends. These documents, however, do contain other customary financial and operating covenants that place restrictions on the operations of the company that could indirectly affect the ability to pay dividends.

At September 30, 2016, we have excess borrowing capacity for general corporate purposes of approximately $2.3 billion under our multi-currency revolving senior credit facility.

At September 30, 2016, we were in compliance with the various covenant requirements of all our debt facilities.

CME Group, as a holding company, has no operations of its own. Instead, it relies on dividends declared and paid to it by its subsidiaries in order to provide the funds which it uses to pay dividends to its shareholders.

To satisfy our performance bond obligation with Singapore Exchange Limited, we may pledge CME-owned U.S. Treasury securities in lieu of, or in combination with, irrevocable standby letters of credit. At September 30, 2016, the letters of credit totaled $760.0 million.

The following table summarizes our credit ratings at September 30, 2016:

	Short-Term	Long-Term
Rating Agency	Debt Rating	Debt Rating	Outlook
Standard & Poor’s	A1+	AA-	Stable
Moody’s Investors Service	P1	Aa3	Stable

Given our cash flow generation, our ability to pay down debt levels and our ability to refinance existing debt facilities if necessary, we expect to maintain an investment grade rating. If our ratings are downgraded below investment grade due to a change of control, we are required to make an offer to repurchase our fixed rate notes at a price equal to 101% of the principal amount, plus accrued and unpaid interest.

Liquidity and Cash Management. Cash and cash equivalents totaled $1.4 billion and $1.7 billion at September 30, 2016 and December 31, 2015, respectively. The balance retained in cash and cash equivalents is a function of anticipated or possible short-term cash needs, prevailing interest rates, our investment policy and alternative investment choices. A majority of our cash and cash equivalents balance is invested in money market mutual funds that invest only in U.S. Treasury securities, U.S. government agency securities and U.S. Treasury security reverse repurchase agreements. Our exposure to credit and liquidity risk is minimal given the nature of the investments. Cash that is not available for general corporate purposes because of regulatory requirements or other restrictions is classified as restricted cash and is included in other current assets or other assets in the consolidated balance sheets.

Regulatory Requirements. CME is regulated by the U.S. Commodity Futures Trading Commission (CFTC) as a U.S. Derivatives Clearing Organization (DCO). DCOs are required to maintain capital, as defined by the CFTC, in an amount at least equal to one year of projected operating expenses as well as cash, liquid securities, or a line of credit at least equal to six months of projected operating expenses. CME was designated by the Financial Stability Oversight Council as a systemically important DCO under Title VIII of the Dodd-Frank Wall Street Reform and Consumer Protection Act. As a result, CME must comply with the requirements for financial resources and liquidity resources. CME is in compliance with all DCO financial requirements.

CME, CBOT, NYMEX and COMEX are regulated by the CFTC as Designated Contract Markets (DCM). DCMs are required to maintain capital, as defined by the CFTC, in an amount at least equal to one year of projected operating expenses as well as cash, liquid securities or a line of credit at least equal to six months of projected operating expenses. Our DCMs are in compliance with all DCM financial requirements.

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Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (FASB) issued a new standard on revenue recognition that replaces numerous, industry-specific requirements and converges U.S. accounting with International Financial Reporting Standards. The new standard introduces a framework for recognizing revenue that focuses on the transfer of control rather than risks and rewards. The new standard also requires significant additional disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments, changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. The new standard was intended to become effective in the first annual period beginning after December 15, 2016, but in August 2015, FASB extended the deadline by one year. This guidance may be adopted using one of two transition methods, which we are still evaluating along with the impact of the new standard on our consolidated financial statements.

In January 2016, the FASB issued a standards update that will change how entities measure certain equity investments. It does not change the guidance for classifying and measuring investments in debt securities and loans. Under the new guidance, entities will have to measure many equity investments at fair value and recognize any changes in fair value in net income, unless the investments qualify for a practicability exception. Entities will no longer be able to recognize unrealized holding gains and losses on equity securities classified today as available for sale in other comprehensive income. The update is effective for reporting periods beginning after December 15, 2017. Early adoption is permitted. We are in the process of evaluating the impact of this update on our consolidated financial statements.

In February 2016, the FASB issued a standards update that requires lessees to recognize on the balance sheet the assets and liabilities associated with the rights and obligations created by those leases. The guidance for lessors is largely unchanged from current U.S. GAAP. Under the new guidance, a lessee will be required to recognize assets and liabilities for leases with lease terms of more than 12 months. Consistent with current U.S. GAAP, the recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee primarily will depend on its classification as a finance or operating lease. The update is effective for reporting periods beginning after December 15, 2018. Early adoption is permitted. We are in the process of evaluating the impact of this update on our consolidated financial statements.

In March 2016, the FASB issued a standards update that will change certain aspects of accounting for share-based payments to employees. The guidance will require that all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It will also allow an employer to repurchase more of an employee’s shares for tax withholding purposes without triggering liability accounting and to make a policy election to account for forfeitures as they occur. The update is effective for reporting periods beginning after December 15, 2016. Early adoption is permitted. If this guidance is early adopted during an interim period, any adjustments must be reflected as of the beginning of the fiscal year that includes the interim period. We are in the process of evaluating the impact of this update on our consolidated financial statements.

In June 2016, the FASB issued guidance that changes how credit losses are measured for most financial assets measured at amortized cost and certain other instruments. The standard requires an entity to estimate its lifetime expected credit loss and record an allowance, that when deducted from the amortized cost basis of the financial asset, presents the net amount expected to be collected on the financial asset. This forward-looking expected loss model generally will result in the earlier recognition of allowances for losses. The standard also amends the impairment model for available for sale debt securities and requires entities to determine whether all or a portion of the unrealized loss on an available for sale debt security is a credit loss. Severity and duration of the unrealized loss are no longer permissible factors in concluding whether a credit loss exists. Entities will recognize improvements to estimated credit losses on available for sale debt securities immediately in earnings rather than as interest income over time. The standard is effective for reporting periods beginning after December 15, 2019. The standard’s provisions must be applied as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. Early adoption is permitted for reporting periods beginning in 2019. We are in the process of evaluating the impact of this standard on our consolidated financial statements.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are subject to various market risks, including those caused by changes in interest rates, credit, foreign currency exchange rates and equity prices. There have not been material changes in our exposure to market risk since December 31, 2015. Refer to Item 7A. of CME Group’s Annual Report on Form 10-K for the year ended December 31, 2015 for additional information.

ITEM 4. CONTROLS AND PROCEDURES

(a) Disclosure Controls and Procedures. Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the Exchange Act)) as of the end of the

27

period covered by this report. Based on such evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that, as of the end of such period, our disclosure controls and procedures are effective.

(b) Changes in Internal Control Over Financial Reporting. As required by Rule 13a-15(d) under the Exchange Act, the company’s management, including the company’s Chief Executive Officer and Chief Financial Officer, have evaluated the company’s internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) to determine whether any changes occurred during the quarter covered by this quarterly report that have materially affected, or are reasonably likely to materially affect, the company’s internal control over financial reporting. There were no changes in the company’s internal control over financial reporting during the period covered by this quarterly report that have materially affected, or are reasonably likely to materially affect, internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

See “Legal and Regulatory Matters” in Note 8. Contingencies to the Consolidated Financial Statements for updates to CME Group’s existing legal proceedings disclosure which is incorporated herein by reference. Note 8. Contingencies includes updates to the legal proceedings disclosed in the company’s Annual Report on Form 10-K, filed with the SEC on February 26, 2016.

ITEM 1A. RISK FACTORS

There have been no material updates to the Risk Factors disclosure included in the company’s Annual Report on Form 10-K, filed with the SEC on February 26, 2016. In addition to the other information contained in this Quarterly Report on Form 10-Q, you should carefully consider the factors discussed in our Annual Report on Form 10-K, which are the risks that we believe are material at this time. These risks could materially and adversely affect our business, financial condition and results of operations. These risks and uncertainties are not the only ones facing us. Additional risks and uncertainties not presently known to us or that we currently believe to be immaterial may also adversely affect our business in the future.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(c) Issuer Purchases of Equity Securities

Period	(a) Total Number of Class A Shares Purchased (1)	(b) Average Price Paid Per Share		(c) Total Number of Class A Shares Purchased as Part of Publicly Announced Plans or Programs	(d) Maximum Number (or Approximate Value) that May Yet Be Purchased Under the Plans or Programs (in millions)
July 1 to July 31	—	$	—	—	$	—
August 1 to August 31	346	103.32		—	—
September 1 to September 30	152,820	108.98		—	—
Total	153,166	$	108.97	—

(1) Shares purchased consist of an aggregate of 153,166 shares of Class A common stock surrendered in the third quarter of 2016 to satisfy employees’ tax obligations upon the vesting of restricted stock.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

28

ITEM 6. EXHIBITS

10.1	Amendment No. 1 to Credit Agreement, dated as of August 12, 2016 among Chicago Mercantile Exchange Inc. and Bank of America, N.A., as Administrative Agent.
31.1	Section 302 Certification—Phupinder S. Gill
31.2	Section 302 Certification—John W. Pietrowicz
32.1	Section 906 Certification
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

29

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.

	CME Group Inc. (Registrant)
Dated: November 4, 2016	By:	/s/ John W. Pietrowicz
		Chief Financial Officer & Senior Managing Director Finance

30

EX-10.1

Exhibit 10.1

AMENDMENT NO. 1 TO CREDIT AGREEMENT

This AMENDMENT NO. 1 TO CREDIT AGREEMENT (this “Amendment No. 1”) dated as of August 12, 2016, is among CHICAGO MERCANTILE EXCHANGE INC., a Delaware corporation (the “Company”) and BANK OF AMERICA, N.A., in its capacity as administrative agent for the Banks (as defined in the Credit Agreement described below) (in such capacity, the “Administrative Agent”).

W I T N E S S E T H:

WHEREAS, the Company, the Administrative Agent, Deutsche Bank Trust Company Americas, in its capacity as collateral agent for the Agents and the Banks (in such capacity, the “Collateral Agent”) and the Banks entered into that certain Credit Agreement dated as of November 5, 2015 (the “ExistingCredit Agreement”, the Existing Credit Agreement as amended hereby, the “Credit Agreement”); capitalized terms used in this Amendment No. 1 not otherwise defined herein shall have the respective meanings given thereto in the Existing Credit Agreement; and

WHEREAS, the Company has requested that the Administrative Agent amend certain provisions of Annex I (Eligible Assets) to the Credit Agreement, and the Administrative Agent is willing to effect such amendment on the terms and conditions contained in this Amendment No. 1.

NOW, THEREFORE, in consideration of the premises and further valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows:

1.Amendments to Existing Credit Agreement. Subject to the terms and conditions set forth herein, the Existing Credit Agreement will be amended as follows:

a.Annex I (Eligible Assets) to the Credit Agreement is hereby amended by deleting the paragraph regarding “Minimum Credit Rating” therein in its entirety and replacing it with the following:

***Minimum Credit Rating: The minimum credit rating required for assets to qualify as Eligible Assets is noted in the applicable parentheticals above. Further, in the case of any of U.S. Government Sponsored Agency Debentures, U.S. Government Sponsored Agency MBS, Investment Grade Corporate Debt (Fixed Rate), Investment Grade Corporate Debt (Floating Rate), Foreign Sovereign Debt and Commercial Paper, in order for any such asset to qualify as an Eligible Asset, such asset shall have such minimum rating by 2 of the 3 following rating agencies: S&P, Moody’s and Fitch.

b.Annex I (Eligible Assets) to the Credit Agreement is hereby further amended by adding the following paragraph regarding “Money Market Fund Shares” after the paragraph regarding “Advance Rate” therein:

81120259

*****Money Market Fund Shares: In order for any Money Market Fund Shares to qualify as an Eligible Asset, such Money Market Fund Shares shall meet all Rule 2a-7 criteria and may be subject to redemption gates as provided in Rule 2a-7(c).

For ease of reference, such changes are reflected on the attached Annex I (Eligible Assets).

The parties hereto acknowledge and agree that this Amendment No. 1 is not a novation of the Credit Agreement or of any credit facility provided thereunder or in respect thereof.

2.Effectiveness; Conditions Precedent. This Amendment No. 1 shall become effective at the time the Administrative Agent shall have received counterparts of this Amendment No. 1 duly executed by the Company and the Administrative Agent.

3.Representations and Warranties. In order to induce the Administrative Agent to enter into this Amendment No. 1, the Company represents and warrants to the Administrative Agent as follows:

a.At the time of and immediately after giving effect to this Amendment No. 1, (i) the representations and warranties of the Company set forth in Article VI of the Credit Agreement shall be true and correct in all material respects on and as of the date hereof (except to the extent that such representations and warranties specifically refer to an earlier date, in which case they are true and correct in all material respects as of such earlier date) and (ii) no Default or Unmatured Default has occurred and is continuing.

b.This Amendment No. 1 has been duly executed and delivered by the Company and constitutes a legal, valid and binding obligation of the Company, enforceable against the Company in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other similar laws affecting creditors’ rights generally and subject to general principles of equity, regardless of whether considered in a proceeding in equity or at law.

4.Entire Agreement. This Amendment No. 1, together with the Existing Credit Agreement (collectively, the “Relevant Documents”), sets forth the entire understanding and agreement of the parties hereto in relation to the subject matter hereof and supersedes any prior negotiations and agreements among the parties relating to such subject matter. No promise, condition, representation or warranty, express or implied, not set forth in the Relevant Documents shall bind any party hereto, and no such party has relied on any such promise, condition, representation or warranty. Each of the parties hereto acknowledges that, except as otherwise expressly stated in the Relevant Documents, no representations, warranties or commitments, express or implied, have been made by any party to any other party in relation to the subject matter hereof or thereof. None of the terms or conditions of this Amendment No. 1 may be changed, modified, waived or canceled orally or otherwise, except in writing and in accordance with Section 9.2 of the Credit Agreement.

2

81120259

5.Full Force and Effect of Agreement. Except as hereby specifically amended, modified or supplemented, the Credit Agreement is hereby confirmed and ratified in all respects and shall be and remain in full force and effect according to its terms.

6.Counterparts. This Amendment No. 1 may be executed in any number of counterparts, each of which shall be deemed an original as against any party whose signature appears thereon, and all of which shall together constitute one and the same instrument. Delivery of an executed counterpart of a signature page of this Amendment No. 1 by telecopy or other electronic transmission (e.g. pdf or electronic mail) shall be effective as a manually executed counterpart of this Amendment No. 1.

7.Governing Law. THIS AMENDMENT NO. 1 SHALL IN ALL RESPECTS BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. The Company hereby irrevocably submits to the exclusive jurisdiction of any United States federal or New York state court sitting in New York, New York, in any action or proceeding arising out of or relating to this Amendment No. 1, and each of the parties hereto hereby irrevocably agrees that all claims in respect of any such action or proceeding may be heard and determined in any such court. This Amendment No. 1 shall be further subject to the provisions of Sections 11.4 and 11.12 of the Credit Agreement.

8.Enforceability. Any provision of this Amendment No. 1 held to be invalid, illegal or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such invalidity, illegality or enforceability without affecting the validity, legality and enforceability of the remaining provisions hereof; and the invalidity of a particular provision in a particular jurisdiction shall not invalidate such provision in any other jurisdiction.

9.References. All references to the “Credit Agreement” shall mean the Credit Agreement, as amended hereby.

10.Successors and Assigns. This Amendment No. 1 shall be binding upon and inure to the benefit of the Company, the Administrative Agent, Collateral Agent the Banks and their respective successors, legal representatives, and assignees to the extent such assignees are permitted assignees as provided in Section 11.1 of the Credit Agreement.

[Signature pages follow.]

3

81120259

IN WITNESS WHEREOF, the parties hereto have caused this instrument to be made, executed and delivered by their duly authorized officers as of the day and year first above written.

COMPANY:

CHICAGO MERCANTILE EXCHANGE INC.

By: /s/ Michael J. Kobida    

Name: Michael J. Kobida    

Title: Executive Director    

81120259

BANK OF AMERICA, N.A., as Administrative Agent
By:/s/ Liliana Claar        
Name: Liliana Claar        
Title:    Vice President        

81120259

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Phupinder S. Gill, certify that:

1. I have reviewed this report on Form 10-Q of CME Group 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 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 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 registrant’s board of directors (or persons performing the equivalent function):

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: November 4, 2016	/s/ Phupinder S. Gill
	Name: Phupinder S. Gill
	Title: Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, John W. Pietrowicz, certify that:

1. I have reviewed this report on Form 10-Q of CME Group 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 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 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 registrant’s board of directors (or persons performing the equivalent function):

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: November 4, 2016	/s/ John W. Pietrowicz
	Name: John W. Pietrowicz
	Title: Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification of CEO and CFO 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 on Form 10-Q of CME Group Inc. (the “Company”) for the quarter ended September 30, 2016 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Phupinder S. Gill, as Chief Executive Officer of the Company, and John W. Pietrowicz, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

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

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

/s/ Phupinder S. Gill

Name: Phupinder S. Gill

Title: Chief Executive Officer

Dated: November 4, 2016

/s/ John W. Pietrowicz

Name: John W. Pietrowicz

Title: Chief Financial Officer

Dated: November 4, 2016

This certification accompanies the Report pursuant to § 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.

A signed original of this written statement required by § 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Oct. 12, 2016
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2016
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2016
Entity Registrant Name	CME GROUP INC.
Entity Central Index Key	0001156375
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding		339,347,113
Class B Common Stock, Class B-1 [Member]
Entity Common Stock, Shares Outstanding		625
Class B Common Stock, Class B-2 [Member]
Entity Common Stock, Shares Outstanding		813
Class B Common Stock, Class B-3 [Member]
Entity Common Stock, Shares Outstanding		1,287
Class B Common Stock, Class B-4 [Member]
Entity Common Stock, Shares Outstanding		413

XML

Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents		$ 1,420.5	$ 1,692.6
Marketable securities		83.3	72.5
Accounts receivable, net of allowance of $3.6 and $1.9		395.7	357.8
Other current assets (includes $29.5 and $32.0 in restricted cash)		269.4	228.6
Performance bonds and guaranty fund contributions		31,607.1	35,553.0
Total current assets		33,776.0	37,904.5
Property, net of accumulated depreciation and amortization of $577.4 and $788.6		426.7	491.7
Intangible assets—trading products	[1]	17,175.3	17,175.3
Intangible assets—other, net		2,465.9	2,537.9
Goodwill		7,569.0	7,569.0
Other assets (includes $64.4 and $70.5 in restricted cash)		1,838.4	1,681.0
Total Assets		63,251.3	67,359.4
Liabilities and Equity
Accounts payable		34.5	28.7
Other current liabilities		247.0	1,242.8
Performance bonds and guaranty fund contributions		31,604.9	35,553.0
Total current liabilities		31,886.4	36,824.5
Long-term debt		2,230.7	2,229.3
Deferred income tax liabilities, net		7,317.7	7,358.3
Other liabilities		551.6	395.5
Total Liabilities		41,986.4	46,807.6
Shareholders' Equity:
Preferred stock, $0.01 par value, 10,000 shares authorized at September 30, 2016 and December 31, 2015; none issued		0.0	0.0
Additional paid-in capital		17,780.0	17,721.6
Retained earnings		3,458.6	2,907.6
Accumulated other comprehensive income (loss)		22.9	(80.8)
Total shareholders’ equity		21,264.9	20,551.8
Total Liabilities and Equity		63,251.3	67,359.4
Class A Common Stock [Member]
Shareholders' Equity:
Common stock		3.4	3.4
Class B Common Stock [Member]
Shareholders' Equity:
Common stock		$ 0.0	$ 0.0

[1] )Trading products represent futures and options products acquired in our business combinations with CBOT Holdings, Inc., NYMEX Holdings, Inc. and The Board of Trade of Kansas City, Missouri, Inc. Clearing and transaction fees are generated through the trading of these products. These trading products, most of which have traded for decades, require authorization from the Commodity Futures Trading Commission (CFTC). Product authorizations from the CFTC have no term limits

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Accounts receivable, allowance	$ 3.6	$ 1.9
Restricted cash, current	29.5	32.0
Accumulated depreciation and amortization, property	577.4	788.6
Restricted cash, noncurrent	$ 64.4	$ 70.5
Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000	10,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Series A Junior Participating Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	0	0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A Common Stock [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000	1,000,000
Common stock, shares issued (in shares)	337,978	336,938
Common stock, shares outstanding (in shares)	337,978	336,938
Class B Common Stock [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	3	3
Common stock, shares issued (in shares)	3	3
Common stock, shares outstanding (in shares)	3	3

XML

Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues
Clearing and transaction fees	$ 704.2	$ 715.0	$ 2,267.9	$ 2,105.0
Market data and information services	101.1	99.5	306.4	300.3
Access and communication fees	23.8	21.6	67.7	64.4
Other	12.6	14.2	40.3	43.3
Expenses	841.7	850.3	2,682.3	2,513.0
Expenses
Compensation and benefits	130.6	136.4	394.2	419.2
Communications	6.9	7.1	19.9	21.3
Technology support services	17.3	15.4	52.4	47.1
Professional fees and outside services	33.5	33.8	104.2	90.6
Amortization of purchased intangibles	24.0	24.9	72.0	74.8
Depreciation and amortization	31.2	32.4	95.5	97.5
Occupancy and building operations	19.6	23.1	65.3	69.4
Licensing and other fee agreements	31.5	33.1	103.3	92.5
Other	21.8	27.7	113.0	81.8
Total Expenses	316.4	333.9	1,019.8	994.2
Operating Income	525.3	516.4	1,662.5	1,518.8
Non-Operating Income (Expense)
Investment income	36.5	2.5	71.3	26.7
Gains (losses) on derivative investments	0.0	0.0	0.0	(1.8)
Interest and other borrowing costs	(31.1)	(28.3)	(91.9)	(88.5)
Equity in net earnings (losses) of unconsolidated subsidiaries	28.6	26.6	82.4	75.1
Other non-operating income (expense)	(10.5)	(0.8)	(30.9)	(42.0)
Total Non-Operating	23.5	0.0	30.9	(30.5)
Income before Income Taxes	548.8	516.4	1,693.4	1,488.3
Income tax provision	76.0	156.5	532.7	533.0
Net Income	$ 472.8	$ 359.9	$ 1,160.7	$ 955.3
Earnings per Common Share:
Basic (in dollars per share)	$ 1.40	$ 1.07	$ 3.44	$ 2.84
Diluted (in dollars per share)	$ 1.39	$ 1.06	$ 3.43	$ 2.83
Weighted Average Number of Common Shares:
Basic (in shares)	337,592	336,323	337,299	336,015
Diluted (in shares)	339,143	338,139	338,834	337,804

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 472.8	$ 359.9	$ 1,160.7	$ 955.3
Other comprehensive income (loss), net of tax:
Net unrealized holding gains (losses) arising during the period	(17.7)	(100.2)	177.7	(91.0)
Reclassification of net (gains) losses on sales included in investment income	6.3	(2.6)	6.3	3.4
Income tax benefit (expense)	(65.3)	0.0	(65.9)	1.2
Investment securities, net	(89.3)	(97.6)	105.5	(93.2)
Net change in defined benefit plans arising during the period	0.0	0.0	3.1	(0.3)
Amortization of net actuarial (gains) losses included in compensation and benefits expense	0.8	0.6	2.4	2.0
Income tax benefit (expense)	(0.3)	(0.2)	(2.1)	(0.6)
Defined benefit plans, net	0.5	0.4	3.4	1.1
Net unrealized holding gains (losses) arising during the period	0.0	0.0	0.0	(4.7)
Ineffectiveness on cash flow hedges included in (gains) losses on derivative investments	0.0	0.0	0.0	1.8
Amortization of effective portion of net (gains) losses on cash flow hedges included in interest expense	(0.3)	(0.3)	(0.9)	(0.9)
Income tax benefit (expense)	0.1	0.1	0.3	1.5
Derivative investments, net	(0.2)	(0.2)	(0.6)	(2.3)
Foreign currency translation adjustments	(0.6)	(3.4)	(5.6)	(10.0)
Income tax benefit (expense)	(0.8)	1.1	1.0	3.6
Foreign currency translation, net	(1.4)	(2.3)	(4.6)	(6.4)
Other comprehensive income (loss), net of tax	(90.4)	(99.7)	103.7	(100.8)
Comprehensive Income	$ 382.4	$ 260.2	$ 1,264.4	$ 854.5

XML

Consolidated Statements Of Shareholders' Equity - USD ($) shares in Thousands, $ in Millions	Total	Common Stock And Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Class A Common Stock [Member]	Class A Common Stock [Member] Common Stock And Additional Paid-In Capital [Member]	Class B Common Stock [Member]	Class B Common Stock [Member] Common Stock And Additional Paid-In Capital [Member]
Balance (in shares) at Dec. 31, 2014						335,452		3
Balance at December 31, 2015 at Dec. 31, 2014	$ 20,923.5	$ 17,600.0	$ 3,317.3	$ 6.2
Net income	955.3		955.3
Other comprehensive income (loss), net of tax	(100.8)			(100.8)
Dividends on common stock of $1.80 per share	(500.8)		(500.8)
Adjustments to Additional Paid in Capital, Other	9.3	9.3
Exercise of stock options (in shares)						798
Exercise of stock options	51.8	51.8
Excess tax benefits from option exercises and restricted stock vesting	6.7	6.7
Vesting of issued restricted Class A common stock, in shares						450
Vesting of issued restricted Class A common stock	(16.8)	(16.8)
Shares issued to Board of Directors, in shares						26
Shares issued to Board of Directors	2.4	2.4
Shares issued under Employee Stock Purchase Plan, in shares						10
Shares issued under Employee Stock Purchase Plan	1.0	1.0
Stock-based compensation	45.2	45.2
Balance (in shares) at Sep. 30, 2015						336,736		3
Balance at September 30, 2016 at Sep. 30, 2015	21,376.8	17,699.6	3,771.8	(94.6)
Balance (in shares) at Dec. 31, 2015					336,938	336,938	3	3
Balance at December 31, 2015 at Dec. 31, 2015	20,551.8	17,725.0	2,907.6	(80.8)
Net income	1,160.7		1,160.7
Other comprehensive income (loss), net of tax	103.7			103.7
Dividends on common stock of $1.80 per share	(609.7)		(609.7)
Exercise of stock options (in shares)						434
Exercise of stock options	29.5	29.5
Excess tax benefits from option exercises and restricted stock vesting	10.0	10.0
Vesting of issued restricted Class A common stock, in shares						570
Vesting of issued restricted Class A common stock	(26.8)	(26.8)
Shares issued to Board of Directors, in shares						26
Shares issued to Board of Directors	2.5	2.5
Shares issued under Employee Stock Purchase Plan, in shares						10
Shares issued under Employee Stock Purchase Plan	0.9	0.9
Stock-based compensation	42.3	42.3
Balance (in shares) at Sep. 30, 2016					337,978	337,978	3	3
Balance at September 30, 2016 at Sep. 30, 2016	$ 21,264.9	$ 17,783.4	$ 3,458.6	$ 22.9

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Consolidated Statements Of Shareholders' Equity (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Statement of Stockholders' Equity [Abstract]
Cash dividends on common stock, per share (in dollars per share)	$ 1.80	$ 1.50

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Consolidated Statements Of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net income	$ 1,160.7	$ 955.3
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	42.3	45.2
Amortization of purchased intangibles	72.0	74.8
Depreciation and amortization	95.5	97.5
Gain on sale of BM&FBOVESPA shares	(6.4)	(3.4)
Debt prepayment costs	0.0	61.8
Loss on datacenter	27.1	0.0
Undistributed earnings, net of losses, of unconsolidated subsidiaries	(29.3)	(15.2)
Deferred income taxes	(79.3)	49.8
Change in:
Accounts receivable	(18.7)	(22.3)
Other current assets	(12.5)	12.4
Other assets	9.5	(18.4)
Accounts payable	5.7	1.3
Income taxes payable	21.3	(70.1)
Other current liabilities	(67.3)	(31.3)
Other liabilities	(14.3)	(0.5)
Other	(0.7)	4.3
Net Cash Provided by Operating Activities	1,205.6	1,141.2
Cash Flows from Investing Activities
Proceeds from maturities of available-for-sale marketable securities	40.1	29.3
Purchases of available-for-sale marketable securities	(44.9)	(29.3)
Purchases of available-for-sale marketable securities	(62.9)	(90.3)
Investments in business ventures	(4.9)	(7.0)
Proceeds from Sale of Other Assets, Investing Activities	8.8	0.0
Proceeds from sale of BM&FBOVESPA shares	0.0	69.0
Settlement of derivative related to debt issuance	0.0	7.0
Net Cash Used in Investing Activities	(63.8)	(21.3)
Cash Flows from Financing Activities
Proceeds from debt, net of issuance costs	0.0	743.7
Repayment of debt	0.0	(673.0)
Cash dividends	(1,584.3)	(1,174.9)
Proceeds from finance lease obligation	130.0	0.0
Proceeds from exercise of stock options	29.5	51.8
Excess tax benefits related to employee option exercises and restricted stock vesting	10.0	6.7
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0.0	(7.0)
Other	0.9	1.0
Net Cash Used in Financing Activities	(1,413.9)	(1,051.7)
Net change in cash and cash equivalents	(272.1)	68.2
Cash and cash equivalents, beginning of period	1,692.6	1,366.1
Cash and Cash Equivalents, End of Period	1,420.5	1,434.3
Supplemental Disclosure of Cash Flow Information
Income taxes paid	545.5	548.5
Interest paid	84.8	89.1
Accrued Proceeds from Sale of Investment	$ 20.8	$ 0.0

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Basis Of Presentation

9 Months Ended

Sep. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis Of Presentation

Basis of Presentation

The consolidated financial statements consist of CME Group Inc. (CME Group) and its subsidiaries (collectively, the company), including Chicago Mercantile Exchange Inc. (CME), Board of Trade of the City of Chicago, Inc. (CBOT), New York Mercantile Exchange, Inc. (NYMEX), Commodity Exchange, Inc. (COMEX), CME Clearing Europe Limited (CMECE) and CME Europe Limited (CME Europe). CME, CBOT, NYMEX, COMEX, CMECE and CME Europe and their subsidiaries are referred to collectively as “the exchange” in the notes to the consolidated financial statements. The clearing houses include CME Clearing, which is the U.S. clearing house and a division of CME, and CMECE.

The accompanying interim consolidated financial statements have been prepared by CME Group without audit. Certain notes and other information normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States have been condensed or omitted. In the opinion of management, the accompanying consolidated financial statements include all normal recurring adjustments considered necessary to present fairly the financial position of the company at September 30, 2016 and December 31, 2015 and the results of operations and cash flows for the periods indicated. Quarterly results are not necessarily indicative of results for any subsequent period.

The accompanying consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto in CME Group’s Annual Report on Form 10-K for the year ended December 31, 2015, filed with the Securities and Exchange Commission (SEC) on February 26, 2016.

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Performance Bonds and Guaranty Fund Contributions (Notes)

9 Months Ended

Sep. 30, 2016

Performance Bonds and Guaranty Fund Contributions [Abstract]

Performance Bonds and Guaranty Fund Contributions

Performance Bonds and Guaranty Fund Contributions

Performance Bonds and Guaranty Fund Contributions. At September 30, 2016, performance bonds and guaranty fund contribution assets on the consolidated balance sheets include cash as well as U.S. Treasury securities and U.S. government agency securities with maturity dates of 90 days or less. U.S. Treasury securities and U.S. government agency securities are purchased by CME, at its discretion, using cash collateral. The benefits, including interest earned, and risks of ownership accrue to CME. Interest earned is included in investment income on the consolidated statements of income. These securities are classified as available-for-sale. At September 30, 2016, the amortized cost and fair value of the U.S. Treasury securities were $4,198.9 million and $4,199.5 million, respectively. At September 30, 2016, the amortized cost and fair value of the U.S. government securities were both $3,682.6 million. The U.S. Treasury securities and U.S. government agency securities will mature in the fourth quarter of 2016. Performance bonds and guaranty fund contribution assets also include overnight reverse repurchase agreements that were purchased by CME, at its discretion, using cash collateral. The fair value of the overnight securities under the reverse repurchase agreements was $1,052.7 million at September 30, 2016.

CME has been designated as a systemically important financial market utility by the Financial Stability Oversight Council and is authorized to establish and maintain a cash account at the Federal Reserve Bank of Chicago. CME has received approval to establish this account at the Federal Reserve Bank of Chicago for clearing members' proprietary cash balances and is currently operationalizing the account, including testing.

Clearing House Contract Settlement. CME Clearing and CMECE mark-to-market open positions for all futures and options contracts twice a day (once a day for CME's cleared-only credit default swap and interest rate swap contracts). Based on values derived from the mark-to-market process, CME Clearing and CMECE require payments from clearing firms whose positions have lost value and make payments to clearing firms whose positions have gained value. Under the extremely unlikely scenario of simultaneous default by every clearing firm who has open positions with unrealized losses, the maximum exposure related to positions other than cleared-only credit default and interest rate swap contracts would be one half day of changes in fair value of all open positions, before considering the clearing houses' ability to access defaulting clearing firms' collateral deposits. For CME's cleared-only credit default swap and interest rate swap contracts, the maximum exposure related to CME Clearing's guarantee would be one full day of changes in fair value of all open positions, before considering CME Clearing's ability to access defaulting clearing firms' collateral. During the first nine months of 2016, CME Clearing and CMECE transferred an average of approximately $3.3 billion a day through their clearing systems for settlement from clearing firms whose positions had lost value to clearing firms whose positions had gained value. CME Clearing and CMECE reduce their guarantee exposure through initial and maintenance performance bond requirements and mandatory guaranty fund contributions. The company believes that its guarantee liability is immaterial and therefore has not recorded any liability at September 30, 2016.

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Property (Notes)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure

Property

In March 2016, the company sold its datacenter in the Chicago area for $130.0 million. At the time of the sale, the company leased back a portion of the property. The sale-leaseback transaction was recognized under the financing method and not as a sale-leaseback arrangement under generally accepted accounting principles due to the company's participation in future revenues and development work, which constitutes continuing involvement in the datacenter. Under the financing method, the assets remain on the consolidated balance sheet throughout the term of the lease and the proceeds of $130.0 million from the transaction are recognized as a finance lease obligation within other liabilities and other current liabilities in the consolidated balance sheet. A portion of the lease payments will be recognized as a reduction of the finance lease obligation and a portion will be recognized as interest expense based on an imputed interest rate.

The net cost basis of the property and equipment legally sold was $153.1 million at the date of the sale. At March 31, 2016, the company wrote down the property and equipment to a fair value of $130.0 million based on qualitative indications of impairment and a quantitative analysis based on undiscounted cash flows. The company recognized a net loss on the transaction of $27.1 million through other expenses, which includes the write down to fair value and certain other transaction-related costs. The company recognized a total net loss and expenses of $28.6 million, which also includes $1.5 million of legal and other fees incurred. The property and equipment legally sold will continue to be recognized on the consolidated balance sheets and will continue to be depreciated on the consolidated statements of income over the term of the lease.

The lease has an initial lease term ending in March 2031 and contains two consecutive renewal options for five years. Future minimum lease payments under this non-cancellable lease will be payable as follows as of September 30, 2016 (in millions):

Year
Remainder of 2016	$	4.2
2017	16.7
2018	16.8
2019	16.8
2020	16.9
Thereafter	180.5
Total	$	251.9

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Intangible Assets And Goodwill

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets And Goodwill

Intangible Assets

Intangible assets consisted of the following at September 30, 2016 and December 31, 2015:

	September 30, 2016							December 31, 2015
(in millions)	Assigned Value		Accumulated Amortization			Net Book Value		Assigned Value		Accumulated Amortization			Net Book Value
Amortizable Intangible Assets:
Clearing firm, market data and other customer relationships	$	2,838.8	$	(825.5	)	$	2,013.3	$	2,838.8	$	(754.5	)	$	2,084.3
Technology-related intellectual property	29.4		(28.2		)	1.2		29.4		(27.2		)	2.2
Other	2.4		(1.0		)	1.4		2.4		(1.0		)	1.4
Total amortizable intangible assets	$	2,870.6	$	(854.7	)	2,015.9		$	2,870.6	$	(782.7	)	2,087.9
Indefinite-Lived Intangible Assets:
Trade names						450.0							450.0
Total intangible assets – other, net						$	2,465.9						$	2,537.9
Trading products (1)						$	17,175.3						$	17,175.3

(1) Trading products represent futures and options products acquired in our business combinations with CBOT Holdings, Inc., NYMEX Holdings, Inc. and The Board of Trade of Kansas City, Missouri, Inc. Clearing and transaction fees are generated through the trading of these products. These trading products, most of which have traded for decades, require authorization from the Commodity Futures Trading Commission (CFTC). Product authorizations from the CFTC have no term limits.

Total amortization expense for intangible assets was $24.0 million and $24.9 million for the quarters ended September 30, 2016 and 2015, respectively. Total amortization expense for intangible assets was $72.0 million and $74.8 million for the nine months ended September 30, 2016 and 2015, respectively. As of September 30, 2016, the future estimated amortization expense related to amortizable intangible assets is expected to be as follows:

(in millions)	Amortization Expense
Remainder of 2016	$	24.0
2017	95.5
2018	94.7
2019	94.7
2020	94.7
2021	94.7
Thereafter	1,517.6

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Long-Term Investments (Notes)

9 Months Ended

Sep. 30, 2016

Investments, All Other Investments [Abstract]

Investment [Text Block]

Long-Term Investments

In September 2016, the company sold approximately 4.0 million shares of BM&FBOVESPA S.A. (BM&FBOVESPA) and recognized a net gain of $6.4 million within investment income on the consolidated statements of income. As of September 30, 2016, the company owned an approximate 4% interest in BM&FBOVESPA. At September 30, 2016, the fair value and cost basis of the remaining investment in BM&FBOVESPA was $351.1 million and $243.9 million, respectively.

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Debt

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Debt

Debt

In the first quarter of 2016, the company adopted the Financial Accounting Standards Board's (FASB) standards update on changes to the presentation of debt issuance costs. The update requires debt issuance costs related to a recognized debt liability to be presented as a deduction from the carrying value of the debt liability. Previously, debt issuance costs were recognized as deferred charges within other assets in the consolidated balance sheets. The standards update was applied on a retrospective basis, adjusting all prior periods presented, as if the new accounting methodology was in effect during those periods. At December 31, 2015, $12.1 million of debt issuance costs were reclassified in the consolidated balance sheet from other assets to long-term debt compared with what was previously reported. At September 30, 2016, $11.4 million of debt issuance costs were deducted from long-term debt. The change in accounting policy has been reflected in the table below.

Long-term debt consisted of the following at September 30, 2016 and December 31, 2015:

(in millions)	September 30, 2016		December 31, 2015
$750.0 million fixed rate notes due September 2022, stated rate of 3.00% (1)	$	745.0	$	744.4
$750.0 million fixed rate notes due March 2025, stated rate of 3.00% (2)	744.0		743.4
$750.0 million fixed rate notes due September 2043, stated rate of 5.30% (3)	741.7		741.5
Total long-term debt	$	2,230.7	$	2,229.3

(1) In August 2012, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.32%.

(2) In December 2014, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.11%.

(3) In August 2012, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 4.73%.

Long-term debt maturities, at par value, were as follows at September 30, 2016:

(in millions)	Par Value
2017	$	—
2018	—
2019	—
2020	—
2021	—
Thereafter	2,250.0

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Income Tax (Notes)

9 Months Ended

Sep. 30, 2016

Income Tax Disclosure [Abstract]

Income Tax Disclosure

Income Taxes

In the first quarter of 2016, the company adopted the FASB's standards update that simplifies the classification of deferred tax assets and liabilities. The update eliminates the current requirement to present deferred tax assets and liabilities as current and non-current in a classified balance sheet. Instead, all deferred tax assets, along with valuation allowances, and deferred tax liabilities are required to be classified as non-current. Companies are still required to offset deferred tax assets and liabilities for each taxpaying component within a tax jurisdiction. Beginning in the first quarter of 2016, the company adopted this standards update on a prospective basis and classified all deferred tax assets and liabilities as non-current. Prior period deferred tax assets and liabilities were not retrospectively adjusted.

A net current deferred tax asset of $27.9 million was included in other current assets at December 31, 2015. During the first quarter of 2016, net current deferred tax assets of $27.9 million were reclassified to net long-term liabilities. Total net current deferred tax assets are primarily attributable to stock-based compensation and accrued expenses.

Net long-term deferred tax liabilities were $7.3 billion and $7.4 billion at September 30, 2016 and December 31, 2015. Net deferred tax liabilities are principally the result of purchase accounting for intangible assets in our various mergers, including CBOT Holdings, Inc. and NYMEX Holdings, Inc.

Valuation allowances of $15.3 million and $122.3 million have been provided on deferred tax assets at September 30, 2016 and December 31, 2015, respectively. At September 30, 2016 and December 31, 2015, valuation allowances were related to certain domestic net operating losses, foreign net operating losses as well as built in capital losses for which we do not believe that we currently meet the more-likely-than-not-threshold for recognition. At September 30, 2016, the company released $106.3 million of valuation allowance on deferred tax assets relating to built-in losses on its investment in BM&FBOVESPA due to the implementation of a tax strategy to realize additional ordinary income tax losses on recent share sales and the remaining investment in BM&FBOVESPA.

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Contingencies

9 Months Ended

Sep. 30, 2016

Loss Contingency [Abstract]

Contingencies

Contingencies

Legal and Regulatory Matters. In 2013, the CFTC filed suit against NYMEX and two former employees alleging disclosure of confidential customer information in violation of the Commodity Exchange Act. NYMEX’s motion to dismiss was denied in 2014. Based on its investigation to date and advice from legal counsel, the company believes that it has strong factual and legal defenses to the claim.

In the normal course of business, the company discusses matters with its regulators raised during regulatory examinations or otherwise subject to their inquiry and oversight. These matters could result in censures, fines, penalties or other sanctions. Management believes the outcome of any resulting actions will not have a material impact on its consolidated financial position or results of operations. However, the company is unable to predict the outcome or the timing of the ultimate resolution of these matters, or the potential fines, penalties or injunctive or other equitable relief, if any, that may result from these matters.

In addition, the company is a defendant in, and has potential for, various other legal proceedings arising from its regular business activities. While the ultimate results of such proceedings against the company cannot be predicted with certainty, the company believes that the resolution of any of these matters on an individual or aggregate basis will not have a material impact on its consolidated financial position or results of operations.

At December 31, 2015, the company had accrued $3.5 million for legal and regulatory matters that were probable and estimable. No accrual was required for legal and regulatory matters that were probable and estimable as of September 30, 2016.

Intellectual Property Indemnifications. Certain agreements with customers and other third parties related to accessing the CME platforms, utilizing market data services and licensing CME SPAN software may contain indemnifications from intellectual property claims that may be made against them as a result of their use of the applicable products and/or services. The potential future claims relating to these indemnifications cannot be estimated and therefore no liability has been recorded.

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Guarantees

9 Months Ended

Sep. 30, 2016

Guarantees [Abstract]

Guarantees

Guarantees

Mutual Offset Agreement. CME and Singapore Exchange Limited (SGX) have a mutual offset agreement with a current term through October 2017. This agreement enables market participants to open a futures position on one exchange and liquidate it on the other. The term of the agreement will automatically renew for a one-year period unless either party provides advance notice of their intent to terminate. CME must maintain U.S. Treasury securities or irrevocable, standby letters of credit as collateral for this agreement. At September 30, 2016, CME was contingently liable to SGX on letters of credit totaling $760.0 million. Regardless of the collateral, CME guarantees all cleared transactions submitted through SGX and would initiate procedures designed to satisfy these financial obligations in the event of a default, such as the use of performance bonds and guaranty fund contributions of the defaulting clearing firm. The company believes that its guarantee liability is immaterial and therefore has not recorded any liability at September 30, 2016.

Family Farmer and Rancher Protection Fund. In 2012, the company established the Family Farmer and Rancher Protection Fund (the Fund). The Fund is designed to provide payments, up to certain maximum levels, to family farmers, ranchers and other agricultural industry participants who use the company's agricultural commodity products and who suffer losses to their segregated account balances due to their CME clearing member becoming insolvent. Under the terms of the Fund, farmers and ranchers are eligible for up to $25,000 per participant. Farming and ranching cooperatives are eligible for up to $100,000 per cooperative. The Fund was established with a maximum of $100.0 million available for distribution to participants. Since its establishment, the Fund has made payments of approximately $2.0 million, which leaves $98.0 million available for future claims. If, at any time, payments due to participants were to exceed the amount remaining in the fund, payments would be pro-rated. Clearing members and customers must register with the company in advance and provide certain documentation in order to substantiate their eligibility. The company believes that its guarantee liability is immaterial and therefore has not recorded any liability at September 30, 2016.

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Accumulated Other Comprehensive Income (Notes)

9 Months Ended

Sep. 30, 2016

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The following tables present changes in the accumulated balances for each component of other comprehensive income (loss), including current period other comprehensive income (loss) and reclassifications out of accumulated other comprehensive income (loss):

(in millions)	Investment Securities			Defined Benefit Plans			Derivative Investments			Foreign Currency Translation			Total
Balance at December 31, 2015	$	(95.0	)	$	(36.6	)	$	59.6		$	(8.8	)	$	(80.8	)
Other comprehensive income (loss) before reclassifications and income tax benefit (expense)	177.7			3.1			—			(5.6		)	175.2
Amounts reclassified from accumulated other comprehensive income (loss)	(6.3		)	2.4			(0.9		)	—			(4.8		)
Income tax benefit (expense)	(65.9		)	(2.1		)	0.3			1.0			(66.7		)
Net current period other comprehensive income (loss)	105.5			3.4			(0.6		)	(4.6		)	103.7
Balance at September 30, 2016	$	10.5		$	(33.2	)	$	59.0		$	(13.4	)	$	22.9

(in millions)	Investment Securities			Defined Benefit Plans			Derivative Investments			Foreign Currency Translation			Total
Balance at December 31, 2014	$	(22.9	)	$	(31.3	)	$	62.6		$	(2.2	)	$	6.2
Other comprehensive income (loss) before reclassifications and income tax benefit (expense)	(91.0		)	(0.3		)	(4.7		)	(10.0		)	(106.0		)
Amounts reclassified from accumulated other comprehensive income (loss)	(3.4		)	2.0			0.9			—			(0.5		)
Income tax benefit (expense)	1.2			(0.6		)	1.5			3.6			5.7
Net current period other comprehensive income (loss)	(93.2		)	1.1			(2.3		)	(6.4		)	(100.8		)
Balance at September 30, 2015	$	(116.1	)	$	(30.2	)	$	60.3		$	(8.6	)	$	(94.6	)

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Fair Value Measurements

9 Months Ended

Sep. 30, 2016

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Fair Value Measurements

Fair Value Measurements

The company uses a three-level classification hierarchy of fair value measurements for disclosure purposes.

• Level 1 inputs, which are considered the most reliable evidence of fair value, consist of quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2 inputs consist of observable market data, such as quoted prices for similar assets and liabilities in active markets, or inputs other than quoted prices that are directly observable.

• Level 3 inputs consist of unobservable inputs which are derived and cannot be corroborated by market data or other entity-specific inputs.

Level 1 assets generally include U.S. Treasury securities, U.S. government agency securities, investments in publicly traded mutual funds, equity securities and corporate debt securities with quoted market prices. In general, the company uses quoted prices in active markets for identical assets to determine the fair value of marketable securities and equity investments. If quoted prices are not available to determine fair value, the company uses other inputs that are directly observable.

Assets included in level 2 generally consist of asset-backed securities. Asset-backed securities were measured at fair value based on matrix pricing using prices of similar securities with similar inputs such as maturity dates, interest rates and credit ratings.

Financial assets recorded in the consolidated balance sheet as of September 30, 2016 were classified in their entirety based on the lowest level of input that was significant to each asset's fair value measurement. There were no liabilities that were measured at fair value as of September 30, 2016. The following tables present financial instruments measured at fair value on a recurring basis:

	September 30, 2016
(in millions)	Level 1		Level 2		Level 3		Total
Assets at Fair Value:
Marketable securities:
Corporate debt securities	$	22.0	$	—	$	—	$	22.0
Mutual funds	60.9		—		—		60.9
Equity securities	0.1		—		—		0.1
Asset-backed securities	—		0.3		—		0.3
Total Marketable Securities	83.0		0.3		—		83.3
Performance bonds and guaranty fund contributions (1):
U.S. Treasury securities	4,199.5		—		—		4,199.5
U.S. government agencies securities	3,682.6		—		—		3,682.6
Equity investments	369.7		—		—		369.7
Total Assets at Fair Value	$	8,334.8	$	0.3	$	—	$	8,335.1

(1) Performance bonds and guaranty fund contributions on the consolidated balance sheet at September 30, 2016 include U.S. Treasury securities and U.S. government agency securities purchased with cash collateral.

There were no transfers of assets or liabilities between level 1, level 2 and level 3 during the first nine months of 2016. There were no level 3 assets valued at fair value on a recurring basis during the first nine months of 2016. The following is a reconciliation of level 3 liabilities valued at fair value on a recurring basis during the first nine months of 2016.

(in millions)	Contingent Consideration
Fair value of liability at December 31, 2015	$	0.3
Realized and unrealized (gains) losses:
Included in other expenses	(0.3		)
Fair value of liability at September 30, 2016	$	—

In the first quarter of 2016, the company sold a datacenter and leased back a portion of the property. Under generally accepted accounting principles, the transaction has been recognized under the financing method instead of recognized as a sale-leaseback arrangement. As a result, the property and equipment legally sold will continue to be recognized on the consolidated balance sheets and was written down to a fair value of $130.0 million at March 31, 2016. In the second and third quarters of 2016, the company also recorded impairment charges totaling $5.5 million on one of its strategic investments. The fair value of the investment was estimated to be zero at September 30, 2016. Both assessments were based on qualitative indications of impairment and a quantitative analysis of undiscounted cash flows. The fair values of the datacenter and strategic investment are considered level 3 and nonrecurring. There were no other level 3 assets or liabilities valued at fair value on a nonrecurring basis during the first nine months of 2016.

The following presents the estimated fair values of long-term debt notes, which are carried at amortized cost on the consolidated balance sheets. The fair values, which are classified as level 2 under the fair value hierarchy, were estimated using quoted market prices. At September 30, 2016, the fair values were as follows:

(in millions)	Fair Value
$750.0 million fixed rate notes due September 2022, stated rate of 3.00%	$	798.8
$750.0 million fixed rate notes due March 2025, stated rate of 3.00%	789.8
$750.0 million fixed rates notes due September 2043, stated rate of 5.30%	971.5

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Earnings Per Share

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic earnings per share is computed by dividing net income attributable to the company by the weighted average number of shares of all classes of CME Group common stock outstanding for each reporting period. Diluted earnings per share reflects the increase in shares using the treasury stock method to reflect the impact of an equivalent number of shares of common stock if stock options were exercised and restricted stock awards were converted into common stock. Anti-dilutive stock options, restricted stock and performance share awards were as follows for the periods presented:

	Quarter Ended September 30,		Nine Months Ended September 30,
(in thousands)	2016	2015	2016	2015
Stock options	311	432	315	432
Restricted stock and performance shares	530	—	530	538
Total	841	432	845	970

The following table presents the earnings per share calculation for the periods presented:

	Quarter Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Net Income (in millions)	$	472.8	$	359.9	$	1,160.7	$	955.3
Weighted Average Number of Common Shares (in thousands):
Basic	337,592		336,323		337,299		336,015
Effect of stock options, restricted stock and performance shares	1,551		1,816		1,535		1,789
Diluted	339,143		338,139		338,834		337,804
Earnings per Common Share:
Basic	$	1.40	$	1.07	$	3.44	$	2.84
Diluted	1.39		1.06		3.43		2.83

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Subsequent Events

9 Months Ended

Sep. 30, 2016

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

The company has evaluated subsequent events through the date the financial statements were issued and has determined that there are no subsequent events that require disclosure, except the following:

In October 2016, the company sold approximately 24.0 million shares of BM&FBOVESPA and recognized a net gain of approximately $42.0 million within investment income on the consolidated statements of income during the fourth quarter. Following the sale, the company owned an approximate 2% interest in BM&FBOVESPA.

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Property (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Other Commitments

Future minimum lease payments under this non-cancellable lease will be payable as follows as of September 30, 2016 (in millions):

Year
Remainder of 2016	$	4.2
2017	16.7
2018	16.8
2019	16.8
2020	16.9
Thereafter	180.5
Total	$	251.9

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Intangible Assets And Goodwill (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Components of intangible assets

Intangible assets consisted of the following at September 30, 2016 and December 31, 2015:

	September 30, 2016							December 31, 2015
(in millions)	Assigned Value		Accumulated Amortization			Net Book Value		Assigned Value		Accumulated Amortization			Net Book Value
Amortizable Intangible Assets:
Clearing firm, market data and other customer relationships	$	2,838.8	$	(825.5	)	$	2,013.3	$	2,838.8	$	(754.5	)	$	2,084.3
Technology-related intellectual property	29.4		(28.2		)	1.2		29.4		(27.2		)	2.2
Other	2.4		(1.0		)	1.4		2.4		(1.0		)	1.4
Total amortizable intangible assets	$	2,870.6	$	(854.7	)	2,015.9		$	2,870.6	$	(782.7	)	2,087.9
Indefinite-Lived Intangible Assets:
Trade names						450.0							450.0
Total intangible assets – other, net						$	2,465.9						$	2,537.9
Trading products (1)						$	17,175.3						$	17,175.3

(1) Trading products represent futures and options products acquired in our business combinations with CBOT Holdings, Inc., NYMEX Holdings, Inc. and The Board of Trade of Kansas City, Missouri, Inc. Clearing and transaction fees are generated through the trading of these products. These trading products, most of which have traded for decades, require authorization from the Commodity Futures Trading Commission (CFTC). Product authorizations from the CFTC have no term limits

Future estimated amortization expense

As of September 30, 2016, the future estimated amortization expense related to amortizable intangible assets is expected to be as follows:

(in millions)	Amortization Expense
Remainder of 2016	$	24.0
2017	95.5
2018	94.7
2019	94.7
2020	94.7
2021	94.7
Thereafter	1,517.6

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Debt (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule Of Short-Term And Long-Term Debt

Long-term debt consisted of the following at September 30, 2016 and December 31, 2015:

(in millions)	September 30, 2016		December 31, 2015
$750.0 million fixed rate notes due September 2022, stated rate of 3.00% (1)	$	745.0	$	744.4
$750.0 million fixed rate notes due March 2025, stated rate of 3.00% (2)	744.0		743.4
$750.0 million fixed rate notes due September 2043, stated rate of 5.30% (3)	741.7		741.5
Total long-term debt	$	2,230.7	$	2,229.3

(1) In August 2012, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.32%.

(2) In December 2014, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.11%.

(3) In August 2012, the company entered into a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 4.73%.

Long-term debt maturities at par value

Long-term debt maturities, at par value, were as follows at September 30, 2016:

(in millions)	Par Value
2017	$	—
2018	—
2019	—
2020	—
2021	—
Thereafter	2,250.0

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Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2016

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables present changes in the accumulated balances for each component of other comprehensive income (loss), including current period other comprehensive income (loss) and reclassifications out of accumulated other comprehensive income (loss):

(in millions)	Investment Securities			Defined Benefit Plans			Derivative Investments			Foreign Currency Translation			Total
Balance at December 31, 2015	$	(95.0	)	$	(36.6	)	$	59.6		$	(8.8	)	$	(80.8	)
Other comprehensive income (loss) before reclassifications and income tax benefit (expense)	177.7			3.1			—			(5.6		)	175.2
Amounts reclassified from accumulated other comprehensive income (loss)	(6.3		)	2.4			(0.9		)	—			(4.8		)
Income tax benefit (expense)	(65.9		)	(2.1		)	0.3			1.0			(66.7		)
Net current period other comprehensive income (loss)	105.5			3.4			(0.6		)	(4.6		)	103.7
Balance at September 30, 2016	$	10.5		$	(33.2	)	$	59.0		$	(13.4	)	$	22.9

(in millions)	Investment Securities			Defined Benefit Plans			Derivative Investments			Foreign Currency Translation			Total
Balance at December 31, 2014	$	(22.9	)	$	(31.3	)	$	62.6		$	(2.2	)	$	6.2
Other comprehensive income (loss) before reclassifications and income tax benefit (expense)	(91.0		)	(0.3		)	(4.7		)	(10.0		)	(106.0		)
Amounts reclassified from accumulated other comprehensive income (loss)	(3.4		)	2.0			0.9			—			(0.5		)
Income tax benefit (expense)	1.2			(0.6		)	1.5			3.6			5.7
Net current period other comprehensive income (loss)	(93.2		)	1.1			(2.3		)	(6.4		)	(100.8		)
Balance at September 30, 2015	$	(116.1	)	$	(30.2	)	$	60.3		$	(8.6	)	$	(94.6	)

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Financial instruments measured at fair value on a recurring basis

The following tables present financial instruments measured at fair value on a recurring basis:

	September 30, 2016
(in millions)	Level 1		Level 2		Level 3		Total
Assets at Fair Value:
Marketable securities:
Corporate debt securities	$	22.0	$	—	$	—	$	22.0
Mutual funds	60.9		—		—		60.9
Equity securities	0.1		—		—		0.1
Asset-backed securities	—		0.3		—		0.3
Total Marketable Securities	83.0		0.3		—		83.3
Performance bonds and guaranty fund contributions (1):
U.S. Treasury securities	4,199.5		—		—		4,199.5
U.S. government agencies securities	3,682.6		—		—		3,682.6
Equity investments	369.7		—		—		369.7
Total Assets at Fair Value	$	8,334.8	$	0.3	$	—	$	8,335.1

(1) Performance bonds and guaranty fund contributions on the consolidated balance sheet at September 30, 2016 include U.S. Treasury securities and U.S. government agency securities purchased with cash collateral.

Reconciliation of assets and liabilities valued at fair value on a recurring basis using significant unobservable inputs (level 3)

The following is a reconciliation of level 3 liabilities valued at fair value on a recurring basis during the first nine months of 2016.

(in millions)	Contingent Consideration
Fair value of liability at December 31, 2015	$	0.3
Realized and unrealized (gains) losses:
Included in other expenses	(0.3		)
Fair value of liability at September 30, 2016	$	—

Fair value of Debt Instruments

At September 30, 2016, the fair values were as follows:

(in millions)	Fair Value
$750.0 million fixed rate notes due September 2022, stated rate of 3.00%	$	798.8
$750.0 million fixed rate notes due March 2025, stated rate of 3.00%	789.8
$750.0 million fixed rates notes due September 2043, stated rate of 5.30%	971.5

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Anti-dilutive stock options, restricted stock and performance share awards were as follows for the periods presented:

	Quarter Ended September 30,		Nine Months Ended September 30,
(in thousands)	2016	2015	2016	2015
Stock options	311	432	315	432
Restricted stock and performance shares	530	—	530	538
Total	841	432	845	970

Basic And Diluted Earnings Per Share

The following table presents the earnings per share calculation for the periods presented:

	Quarter Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Net Income (in millions)	$	472.8	$	359.9	$	1,160.7	$	955.3
Weighted Average Number of Common Shares (in thousands):
Basic	337,592		336,323		337,299		336,015
Effect of stock options, restricted stock and performance shares	1,551		1,816		1,535		1,789
Diluted	339,143		338,139		338,834		337,804
Earnings per Common Share:
Basic	$	1.40	$	1.07	$	3.44	$	2.84
Diluted	1.39		1.06		3.43		2.83

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Performance Bonds and Guaranty Fund Contributions (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Guarantor Obligations [Line Items]
Average Daily Clearing Settlement	$ 3,300.0
US Treasury Securities [Member]
Guarantor Obligations [Line Items]
Available-for-sale Securities, Amortized Cost Basis	4,198.9
Available-for-sale Securities at Fair Value	4,199.5
US Government Agencies Debt Securities [Member]
Guarantor Obligations [Line Items]
Available-for-sale Securities, Amortized Cost Basis	3,682.6
Available-for-sale Securities at Fair Value	3,682.6
Repurchase Agreements [Member]
Guarantor Obligations [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	$ 1,052.7

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Property (Details) $ in Millions	Sep. 30, 2016 USD ($)
Property, Plant and Equipment [Abstract]
Remainder of 2016	$ 4.2
2017	16.7
2018	16.8
2019	16.8
2020	16.9
Thereafter	180.5
Other Commitment	$ 251.9

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Property Details (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Mar. 31, 2016
Property, Plant and Equipment [Abstract]
Proceeds from Sale of Buildings	$ 130.0
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	153.1
Property, Plant, and Equipment, Fair Value Disclosure	130.0	$ 130.0
Impairment of Real Estate	27.1
Total Cost of Transaction	28.6
Legal Fees for Sale-Leaseback	$ 1.5

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Intangible Assets And Goodwill (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of purchased intangibles	$ 24.0	$ 24.9	$ 72.0	$ 74.8

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Intangible Assets And Goodwill (Components Of Intangible Assets) (Details) - USD ($) $ in Millions		Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets		$ 2,465.9	$ 2,537.9
Other Indefinite-lived Intangible Assets	[1]	17,175.3	17,175.3
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets		450.0	450.0
Clearing Firm, Market Data And Other Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		2,838.8	2,838.8
Accumulated amortization		(825.5)	(754.5)
Net book value		2,013.3	2,084.3
Technology-Related Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		29.4	29.4
Accumulated amortization		(28.2)	(27.2)
Net book value		1.2	2.2
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		2.4	2.4
Accumulated amortization		(1.0)	(1.0)
Net book value		1.4	1.4
Total Amortizable Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		2,870.6	2,870.6
Accumulated amortization		(854.7)	(782.7)
Net book value		$ 2,015.9	$ 2,087.9

[1] )Trading products represent futures and options products acquired in our business combinations with CBOT Holdings, Inc., NYMEX Holdings, Inc. and The Board of Trade of Kansas City, Missouri, Inc. Clearing and transaction fees are generated through the trading of these products. These trading products, most of which have traded for decades, require authorization from the Commodity Futures Trading Commission (CFTC). Product authorizations from the CFTC have no term limits

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Intangible Assets And Goodwill (Future Estimated Amortization Expense) (Details) $ in Millions	Sep. 30, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2016	$ 24.0
2017	95.5
2018	94.7
2019	94.7
2020	94.7
2021	94.7
Thereafter	$ 1,517.6

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Long-Term Investments (Details) shares in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($) shares
Investments, All Other Investments [Abstract]
Investment shares sold | shares	4.0
Gain on Sale of Investments	$ 6.4
Sale of Stock, Percentage of Ownership after Transaction	4.00%
Investment Owned, at Fair Value	$ 351.1
Investment Owned, at Cost	$ 243.9

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Debt (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
Unamortized Debt Issuance Expense	$ 11.4	$ 12.1

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Debt (Schedule Of Short-Term And Long-Term Debt) (Details) - USD ($) $ in Millions	1 Months Ended			9 Months Ended
	Mar. 31, 2015	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt				$ 2,230.7	$ 2,229.3
Forward starting interest rate swap agreement fixed rate	3.11%	4.73%	3.32%
$750.0 million fixed rate notes due September 2022, stated rate of 3.00% [Member]
Debt Instrument [Line Items]
Long-term debt				745.0	744.4
Debt Instrument, Face Amount				$ 750.0
Debt Instrument, Maturity Date				Sep. 01, 2022
Debt Instrument, Interest Rate, Stated Percentage				3.00%
$750.0 million fixed rate notes due March 2025, stated rate of 3.00% [Member]
Debt Instrument [Line Items]
Long-term debt				$ 744.0	743.4
Debt Instrument, Face Amount				$ 750.0
Debt Instrument, Maturity Date				Mar. 01, 2025
Debt Instrument, Interest Rate, Stated Percentage				3.00%
$750.0 million fixed rate notes due September 2043, stated rate of 5.30% [Member]
Debt Instrument [Line Items]
Long-term debt				$ 741.7	$ 741.5
Debt Instrument, Face Amount				$ 750.0
Debt Instrument, Maturity Date				Sep. 01, 2043
Debt Instrument, Interest Rate, Stated Percentage				5.30%

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Debt (Schedule Of Maturities Of Long-Term Debt) (Details) $ in Millions	Sep. 30, 2016 USD ($)
Debt Disclosure [Abstract]
2017	$ 0.0
2018	0.0
2019	0.0
2020	0.0
2021	0.0
Thereafter	$ 2,250.0

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Income Tax (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Gross, Current	$ 27.9	$ 27.9
Deferred income tax liabilities, net	7,317.7	7,358.3
Deferred Tax Assets, Valuation Allowance, Noncurrent	15.3	$ 122.3
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 106.3

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Contingencies (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Loss Contingency [Abstract]
Accrued liability related to all outstanding legal matters	$ 0.0	$ 3.5

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Guarantees (Details)	9 Months Ended
	Sep. 30, 2016 USD ($) years
Guarantor Obligations [Line Items]
Agreement automatic renewal period (in years) | years	1
Contingent liability to SGX, amount of irrevocable letters of credit	$ 760,000,000
Family Farmer and Ranchers Protection Fund [Member]
Guarantor Obligations [Line Items]
Payment per participant	25,000
Payment per cooperative	100,000
FutureLosses	100,000,000
Payments under Guarantee	2,000,000
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 98,000,000

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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Balance at December 31, 2015			$ 20,551.8	$ 20,923.5
Other comprehensive income (loss), net of tax	$ (90.4)	$ (99.7)	103.7	(100.8)
Balance at September 30, 2016	21,264.9	21,376.8	21,264.9	21,376.8
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at December 31, 2015			(80.8)	6.2
Comprehensive Income Before Reclassification Adjustments			175.2	(106.0)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			(4.8)	(0.5)
Other Comprehensive Income (Loss), Net of Tax			(66.7)	5.7
Other comprehensive income (loss), net of tax			103.7	(100.8)
Balance at September 30, 2016	22.9	(94.6)	22.9	(94.6)
Foreign Currency Translation [Member]
Balance at December 31, 2015			(8.8)	(2.2)
Comprehensive Income Before Reclassification Adjustments			(5.6)	(10.0)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			0.0	0.0
Other Comprehensive Income (Loss), Net of Tax			1.0	3.6
Other comprehensive income (loss), net of tax			(4.6)	(6.4)
Balance at September 30, 2016	(13.4)	(8.6)	(13.4)	(8.6)
Derivative Investments [Member]
Balance at December 31, 2015			59.6	62.6
Comprehensive Income Before Reclassification Adjustments			0.0	(4.7)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			(0.9)	0.9
Other Comprehensive Income (Loss), Net of Tax			0.3	1.5
Other comprehensive income (loss), net of tax			(0.6)	(2.3)
Balance at September 30, 2016	59.0	60.3	59.0	60.3
Defined Benefit Plans [Member]
Balance at December 31, 2015			(36.6)	(31.3)
Comprehensive Income Before Reclassification Adjustments			3.1	(0.3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			2.4	2.0
Other Comprehensive Income (Loss), Net of Tax			(2.1)	(0.6)
Other comprehensive income (loss), net of tax			3.4	1.1
Balance at September 30, 2016	(33.2)	(30.2)	(33.2)	(30.2)
Investment Securities [Member]
Balance at December 31, 2015			(95.0)	(22.9)
Comprehensive Income Before Reclassification Adjustments			177.7	(91.0)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			(6.3)	(3.4)
Other Comprehensive Income (Loss), Net of Tax			(65.9)	1.2
Other comprehensive income (loss), net of tax			105.5	(93.2)
Balance at September 30, 2016	$ 10.5	$ (116.1)	$ 10.5	$ (116.1)

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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Mar. 31, 2016
Debt Disclosure [Abstract]
Property, Plant, and Equipment, Fair Value Disclosure	$ 130.0	$ 130.0
Other than Temporary Impairment Losses, Investments	$ 5.5

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Fair Value Measurements (Financial Instruments Measured At Fair Value On A Recurring Basis) (Details) $ in Millions	Sep. 30, 2016 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment Owned, at Fair Value	$ 351.1
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable Securities	83.3
Performance bond reinvestment U.S. Treasuries	4,199.5
Performance bond reinvestment U.S. Agency Securities	3,682.6
Investment Owned, at Fair Value	369.7
Total Assets at Fair Value	8,335.1
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	22.0
Fair Value, Measurements, Recurring [Member] | Exchange Traded Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading Securities at Fair Value	60.9
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.1
Fair Value, Measurements, Recurring [Member] | Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.3
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable Securities	83.0
Performance bond reinvestment U.S. Treasuries	4,199.5
Performance bond reinvestment U.S. Agency Securities	3,682.6
Investment Owned, at Fair Value	369.7
Total Assets at Fair Value	8,334.8
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	22.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Exchange Traded Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading Securities at Fair Value	60.9
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.1
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable Securities	0.3
Performance bond reinvestment U.S. Treasuries	0.0
Performance bond reinvestment U.S. Agency Securities	0.0
Investment Owned, at Fair Value	0.0
Total Assets at Fair Value	0.3
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Exchange Traded Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.3
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable Securities	0.0
Performance bond reinvestment U.S. Treasuries	0.0
Performance bond reinvestment U.S. Agency Securities	0.0
Investment Owned, at Fair Value	0.0
Total Assets at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Exchange Traded Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	0.0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities at Fair Value	$ 0.0

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Fair Value Measurements (Reconciliation Using Significant Unobservable Inputs) (Details) - Fair Value, Measurements, Recurring [Member] - Fair Value, Inputs, Level 3 [Member] $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value of liability, beginning balance	$ 0.3
Included in other expenses	(0.3)
Fair value of liability, ending balance	$ 0.0

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Fair Value Measurements (Estimated Fair Values of Long-Term Debt) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
$750.0 million fixed rate notes due September 2022, stated rate of 3.00% [Member]
Debt Instrument, Face Amount	$ 750.0
Debt Instrument, Maturity Date	Sep. 01, 2022
Debt Instrument, Interest Rate, Stated Percentage	3.00%
$750.0 million fixed rate notes due March 2025, stated rate of 3.00% [Member]
Debt Instrument, Face Amount	$ 750.0
Debt Instrument, Maturity Date	Mar. 01, 2025
Debt Instrument, Interest Rate, Stated Percentage	3.00%
$750.0 million fixed rate notes due September 2043, stated rate of 5.30% [Member]
Debt Instrument, Face Amount	$ 750.0
Debt Instrument, Maturity Date	Sep. 01, 2043
Debt Instrument, Interest Rate, Stated Percentage	5.30%
Fair Value, Inputs, Level 2 [Member] | $750.0 million fixed rate notes due September 2022, stated rate of 3.00% [Member]
Debt Instrument, Fair Value Disclosure	$ 798.8
Fair Value, Inputs, Level 2 [Member] | $750.0 million fixed rate notes due March 2025, stated rate of 3.00% [Member]
Debt Instrument, Fair Value Disclosure	789.8
Fair Value, Inputs, Level 2 [Member] | $750.0 million fixed rate notes due September 2043, stated rate of 5.30% [Member]
Debt Instrument, Fair Value Disclosure	$ 971.5

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Earnings Per Share (Narrative) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	841	432	845	970
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	311	432	315	432
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	530	0	530	538

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Earnings Per Share (Net Income Attributable To CME Group) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net income	$ 472.8	$ 359.9	$ 1,160.7	$ 955.3
Basic (in shares)	337,592	336,323	337,299	336,015
Dilutive Securities, Effect on EPS	1,551	1,816	1,535	1,789
Diluted (in shares)	339,143	338,139	338,834	337,804
Earnings per common share, basic (in dollars per share)	$ 1.40	$ 1.07	$ 3.44	$ 2.84
Earnings per common share, diluted (in dollars per share)	$ 1.39	$ 1.06	$ 3.43	$ 2.83

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Subsequent Events (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	9 Months Ended
	Oct. 31, 2016	Sep. 30, 2016
Subsequent Event [Line Items]
Investment shares sold		4.0
Gain on Sale of Investments		$ 6.4
Sale of Stock, Percentage of Ownership after Transaction		4.00%
Subsequent Event [Member]
Subsequent Event [Line Items]
Investment shares sold	24.0
Gain on Sale of Investments	$ 42.0
Sale of Stock, Percentage of Ownership after Transaction	2.00%