4. Financial Instruments

The Partnership trades Futures Interests. Futures and forwards represent contracts for delayed delivery of an instrument at a specified date and price. Futures Interests are open commitments until settlement date, at which time they are realized. They are valued at fair value, generally on a daily basis, and the unrealized gains and losses on open contracts (the difference between contract trade price and market price) are reported in the Statements of Financial Condition as a net unrealized gain or loss on open contracts. The resulting net change in unrealized gain and loss is reflected in the net change in unrealized trading profit (loss) on open contracts from one period to the next on the Statements of Income and Expenses. The fair value of exchange-traded futures, options and forward contracts is determined by the various futures exchanges, and reflects the settlement price for each contract as of the close of business on the last business day of the reporting period.

The fair value of foreign currency forward contracts is extrapolated on a forward basis from the spot prices quoted as of approximately 3:00 P.M. (E.T.) of the last business day of the reporting period from various exchanges. The fair value of non-exchange-traded foreign currency option contracts is calculated by applying an industry standard model application for options valuation of foreign currency options, using as inputs, the spot prices, interest rates, and option implied volatilities quoted as of approximately 3:00 P.M. (E.T.) on the last business day of the reporting period. Risk arises from changes in the value of these contracts and the potential inability of counterparties to perform under the terms of the contracts. There are numerous factors which may significantly influence the fair value of these contracts, including interest rate volatility.

The fair value of exchange-traded contracts is based on the settlement price quoted by the exchange on the day with respect to which fair value is being determined. If an exchange-traded contract could not have been liquidated on such day due to the operation of daily limits or other rules of the exchange, the settlement price will be equal to the settlement price on the first subsequent day on which the contract could be liquidated.

The Partnership's contracts are accounted for on a trade-date basis and marked to market on a daily basis. The Partnership accounts for its derivative investments as described in Note 5. Derivatives and Hedging as required by the Financial Accounting Standards board (“FASB”) Accounting Standards Codification (“ASC” or the “Codification”). A derivative is defined as a financial instrument or other contract that has all three of the following characteristics:

1)	a) One or more “underlyings” and b) one or more “notional amounts” or payment provisions or both;

2)	Requires no initial net investment or a smaller initial net investment than would be required for other types of contracts that would be expected to have a similar response relative to changes in market factors; and

3)	Terms that require or permit net settlement.

Generally, derivatives include futures, forwards, swaps or options contracts, and other financial instruments with similar characteristics such as caps, floors, and collars.

The net unrealized gains on open contracts, reported as a component of “Trading Equity” on the Statements of Financial Condition, and their longest contract maturities were as follows:

	Net Unrealized Gains on Open Contracts			Longest Maturities
Date	Exchange-Traded	Off-Exchange-Traded	Total	Exchange-Traded	Off- Exchange-Traded
	$	$	$
Sep. 30, 2011	10,445,574	753,814	11,199,388	Dec. 2015	Dec. 2011
Dec. 31, 2010	16,772,924	3,030,243	19,803,167	Mar. 2015	Mar. 2011

The Partnership has credit risk associated with counterparty nonperformance. As of the date of the financial statements, the credit risk associated with the instruments in which the Partnership trades is limited to the unrealized gain amounts reflected in the Partnership's Statements of Financial Condition.

The Partnership also has credit risk because MS&Co., MSIP, and/or MSCG act as the futures commission merchants or the counterparties, with respect to most of the Partnership's assets. Exchange-traded futures, exchange-traded forward, and exchange-traded futures-styled options contracts are marked to market on a daily basis, with variations in value settled on a daily basis. MS&Co. and MSIP, each acting as a commodity broker for the Partnership's exchange-traded futures, exchange-traded forward, and exchange-traded futures-styled options contracts, are required, pursuant to regulations of the Commodity Futures Trading Commission (“CFTC”), to segregate from their own assets, and for the sole benefit of their commodity customers, all funds held by them with respect to exchange-traded futures, exchange-traded forward, and exchange-traded futures-styled options contracts, including an amount equal to the net unrealized gains (losses) on all open exchange-traded futures, exchange-traded forward, and exchange-traded futures-styled options contracts, which funds, in the aggregate, totaled $330,965,505 and $418,222,697 at September 30, 2011 and December 31, 2010, respectively. With respect to the Partnership's off-exchange-traded forward currency contracts and forward currency options contracts, there are no daily settlements of variation in value, nor is there any requirement that an amount equal to the net unrealized gains (losses) on such contracts be segregated. However, the Partnership is required to meet margin requirements equal to the net unrealized loss on open forward currency contracts in the Partnership accounts with the counterparty, which is accomplished by daily maintenance of the cash balance in a custody account held at MSSB for the benefit of MS&Co. With respect to those off-exchange-traded forward currency contracts, the Partnership is at risk to the ability of MS&Co., the sole counterparty on all such contracts, to perform. With respect to those off-exchange-traded forward currency options contracts, the Partnership is at risk to the ability of MSCG, the sole counterparty on all such contracts, to perform. The Partnership has a netting agreement with each counterparty. These agreements, which seek to reduce both the Partnership's and the counterparties' exposure on off-exchange-traded forward currency contracts, including options on such contracts, should materially decrease the Partnership's credit risk in the event of MS&Co.'s or MSCG's bankruptcy or insolvency.

The futures, forwards and options on such contracts traded by the Partnership involve varying degrees of related market risk. Market risk is often dependent upon changes in the level or volatility of interest rates, exchange rates, and prices of financial instruments and commodities, factors that result in frequent changes in the fair value of the Partnership's open positions, and consequently in its earnings, whether realized or unrealized, and cash flow. Gains and losses on open positions of exchange-traded futures, exchange-traded forward, and exchange-traded futures-styled options contracts are settled daily through variation margin. Gains and losses on off-exchange-traded forward currency contracts are settled upon termination of the contract. Gains and losses on off-exchange-traded forward currency options contracts are settled on an agreed-upon settlement date. However, the Partnership is required to meet margin requirements equal to the net unrealized loss on open forward currency contracts in the Partnership accounts with the counterparty, which is accomplished by daily maintenance of the cash balance in a custody account held at MSSB for the benefit of MS&Co.