Statements of Financial Condition - USD ($)		Dec. 31, 2016	Dec. 31, 2015
Assets
United States Treasury Obligations, at value (cost $30,971,297 and $36,491,937, respectively)		$ 30,970,236	$ 36,495,207
Affiliated investments, at value and cost		1,502,575
Total Investments, at value (cost $32,473,872 and $36,491,937, respectively)		32,472,811	36,495,207
Cash held by custodian	[1],[2]	168,928	6,561,288
Receivable for:
Variation margin		134,300
Dividends from affiliates		452
Total assets		32,776,491	43,056,495
Payable for:
Variation margin			156,009
Shares redeemed			4,301,764
Management fee		22,842	29,062
Brokerage commissions and fees		4,510	3,883
Total liabilities		27,352	4,490,718
Commitments and Contingencies (Note 9)
Equity
Shareholder's equity—General Shares		819	857
Shareholders' equity—Shares		32,748,320	38,564,920
Total shareholders' equity		32,749,139	38,565,777
Total liabilities and equity		$ 32,776,491	$ 43,056,495
General Shares outstanding		40	40
Shares outstanding		1,600,000	1,800,000
Net asset value per share		$ 20.47	$ 21.42
Market value per share		$ 20.46	$ 21.43

[1] Cash at December 31, 2014 and prior reflects cash held by the Predecessor Commodity Broker.

[2] Cash at December 31, 2016 and 2015 reflects cash held by the Custodian.