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OFFSETTING ASSETS AND LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2013

Offsetting of Financial Assets and Derivative Assets as of March 31, 2013 and December 31, 2012

Assets	Gross Amounts of Recognized Assets		Gross Amounts Offset in the Statements of Financial Condition		Net Amounts of Assets Presented in the Statements of Financial Condition

At March 31, 2013:
Futures contracts	$	4,023,690	$	—	$	4,023,690

At December 31, 2012:
Futures contracts	$	374,190	$	—	$	374,190

Offsetting of Financial Liabilities and Derivative Liabilities as of March 31, 2013 and December 31, 2012

Liabilities	Gross Amounts of Recognized Liabilities		Gross Amounts Offset in the Statements of Financial Condition		Net Amounts of Liabilities Presented in the Statements of Financial Condition

At March 31, 2013:
Futures contracts	$	—	$	—	$	—

At December 31, 2012:
Futures contracts	$	1,280,770	$	—	$	1,280,770

Collateral Held By Counterparty [Member]

Financial Assets, Derivative Assets, and Collateral Held by Counterparty as of March 31, 2013 and December 31, 2012

			Gross Amounts Not Offset in the Statements of Financial Condition
	Net Amounts of Assets Presented in the Statements of Financial Condition (A)		Financial Instruments Collateral Received (B)		Cash Collateral Received (C)		Net Amount (D)=(A)-(B)-(C)

At March 31, 2013:
UBS Securities	$	4,023,690	$	—	$	—	$	4,023,690

At December 31, 2012:
UBS Securities	$	374,190	$	—	$	—	$	374,190

Financial Liabilities, Derivative Liabilities, and Collateral Pledged by Counterparty as of March 31, 2013 and December 31, 2012

			Gross Amounts Not Offset in the Statements of Financial Condition
	Net Amounts of Liabilities Presented in the Statements of Financial Condition (A)		Financial Instruments Collateral Pledged (B)		Cash Collateral Pledged (C)		Net Amount (D)=(A)-(B)-(C)

At March 31, 2013:
UBS Securities	$	—	$	—	$	—	$	—

At December 31, 2012:
UBS Securities	$	1,280,770	$	986,053	$	294,717	$	—