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Statements of Financial Condition (Unaudited) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Assets    
United States Treasury Obligations, at value (cost $18,984,221 and $23,852,335, respectively) $ 18,984,562 $ 23,853,157
Affiliated Investments, at value and cost 1,591,026  
Total Investments, at value (cost $20,575,247and $23,852,335, respectively) 20,575,588 23,853,157
Receivable for:    
Dividends from affiliates 992 252
Brokerage commissions and fees   174
Investments Sold   3,991,493
Total assets 20,576,580 27,845,076
Payable for:    
Variation margin 33,075 357,240
Due to custodian   2,522,916
Management fees 12,464 19,399
Total liabilities 45,539 2,899,555
Commitments and Contingencies (Note 9)
Equity    
Shareholder's equity—General Shares 1,026 998
Shareholders' equity—Shares 20,530,015 24,944,523
Total shareholders' equity 20,531,041 24,945,521
Total liabilities and equity $ 20,576,580 $ 27,845,076
General Shares outstanding 40 40
Shares outstanding 800,000 1,000,000
Net asset value per share $ 25.66 $ 24.94
Market value per share $ 25.64 $ 24.89