Statements of Financial Condition (Unaudited) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Assets
United States Treasury Obligations, at value (cost $403,124,430 and $460,218,432, respectively)	$ 403,014,990	$ 460,172,505
Affiliated Investments, at value (cost $97,593,316 and $81,329,032, respectively)	97,586,352	81,011,698
Other investments:
Variation margin receivable- Currency Futures Contracts	518,474
Receivable for:
Dividends from affiliates	24,038	22,709
Total assets	501,143,854	541,206,912
Other investments:
Variation margin payable- Currency Futures Contracts		2,774,899
Payable for:
Shares redeemed		4,799,246
Due to custodian		539,669
Management fees	321,158	361,047
Brokerage commissions and fees	551	4,498
Total liabilities	321,709	8,479,359
Commitments and Contingencies (Note 10)
Equity
Shareholder's equity—General Shares	945	960
Shareholders' equity—Shares	500,821,200	532,726,593
Total shareholders' equity	500,822,145	532,727,553
Total liabilities and equity	$ 501,143,854	$ 541,206,912
General Shares outstanding	40	40
Shares outstanding	21,200,000	22,200,000
Net asset value per share	$ 23.62	$ 24.00
Market value per share	$ 23.60	$ 24.04