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Schedule of Investments (Parenthetical) - Jun. 30, 2015 - USD ($)	Total
Collateral Amount On Open Futures Contracts	$ 8,457,363
United States | US Treasury Securities | Cash Equivalents | U.S. Treasury Bills 0.05%, 7/9/2015
Interest rate	0.05%
Expiration date	7/09/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.08%, 7/23/2015
Interest rate	0.08%
Expiration date	7/23/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.06%, 7/30/2015
Interest rate	0.06%
Expiration date	7/30/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.06%, 8/6/2015
Interest rate	0.06%
Expiration date	8/06/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.07%, 8/13/2015
Interest rate	0.07%
Expiration date	8/13/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.07%, 8/20/2015
Interest rate	0.07%
Expiration date	8/20/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.07%, 8/27/2015
Interest rate	0.07%
Expiration date	8/27/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.08%, 9/3/2015
Interest rate	0.08%
Expiration date	9/03/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.10%, 9/10/2015
Interest rate	0.10%
Expiration date	9/10/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.12%, 9/17/2015
Interest rate	0.12%
Expiration date	9/17/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.11%, 9/24/2015
Interest rate	0.11%
Expiration date	9/24/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.10%, 10/01/2015
Interest rate	0.10%
Expiration date	10/01/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.08%, 10/08/2015
Interest rate	0.08%
Expiration date	10/08/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.07%, 10/15/2015
Interest rate	0.07%
Expiration date	10/15/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.09%, 10/22/2015
Interest rate	0.09%
Expiration date	10/22/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.06%, 10/29/2015
Interest rate	0.06%
Expiration date	10/29/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.07%, 11/05/2015
Interest rate	0.07%
Expiration date	11/05/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.08%, 11/12/2015
Interest rate	0.08%
Expiration date	11/12/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.08%, 11/19/2015
Interest rate	0.08%
Expiration date	11/19/2015
United States | US Treasury Securities | Cash Equivalents | U.S.Treasury Bills 0.09%, 11/27/2015
Interest rate	0.09%
Expiration date	11/27/2015

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