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Condensed Schedule of Investments (Parenthetical) (United States) | 6 Months Ended
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Jun. 30, 2012
NYMEX Crude Oil Futures CL August 2012 contracts, expiring July 2012 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | July 2012
NYMEX Crude Oil Futures CL September 2012 contracts, expiring August 2012 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | August 2012
NYMEX Crude Oil Futures CL October 2012 contracts, expiring September 2012 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | September 2012
NYMEX Crude Oil Futures CL November 2012 contracts, expiring October 2012 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | October 2012
NYMEX Crude Oil Futures CL December 2012 contracts, expiring November 2012 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | November 2012
NYMEX Crude Oil Futures CL January 2013 contracts, expiring December 2012 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | December 2012
NYMEX Crude Oil Futures CL February 2013 contracts, expiring January 2013 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | January 2013
NYMEX Crude Oil Futures CL March 2013 contracts, expiring February 2013 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | February 2013
NYMEX Crude Oil Futures CL April 2013 contracts, expiring March 2013 | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | March 2013
Nymex Crude Oil Futures Cl May Twenty Thirteen Contracts Expiring April Twenty Thirteen | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | April 2013
Nymex Crude Oil Futures Cl June Twenty Thirteen Contracts Expiring May Twenty Thirteen | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | May 2013
Nymex Crude Oil Futures Cl July Twenty Thirteen Contracts Expiring June Twenty Thirteen | Open Cleared Swap and Futures Contracts | Open Futures Contracts, Long |
Expiration date | June 2013
U.S. Treasury Bill | US Treasury Securities | Cash Equivalents |
Interest rate | 0.09%
Expiration date | 2012-11-10

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