Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net Income (Loss)	$ 7,726,085	$ (7,637,340)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Cost of securities purchased	(261,986,344)	(334,428,381)
Proceeds from securities sold and matured	399,575,318	392,943,548
Cost of affiliated investments purchased	(296,047,818)	(158,713,193)
Proceeds from affiliated investments sold	299,043,326	142,448,909
Net accretion of discount on United States Treasury Obligations	(1,738,454)	(1,430,074)
Net realized (gain) loss on United States Treasury Obligations and Affiliated Investments	18,265	8,909
Net change in unrealized (gain) loss on United States Treasury Obligations and Affiliated Investments	(45,373)	(246,857)
Change in operating assets and liabilities:
Variation margin- Currency Futures Contracts	(1,526,926)	(3,293,373)
Dividends from affiliates	17,075	(1,329)
Management fees	(96,247)	(39,889)
Brokerage commissions and fees	363	(3,947)
Net cash provided by (used for) operating activities	144,939,270	29,606,983
Cash flows from financing activities:
Proceeds from purchases of Shares	15,332,463	69,990,564
Redemption of Shares	(163,116,930)	(99,057,878)
Increase (decrease) in payable for amount due to custodian, net		(539,669)
Net cash provided by (used for) financing activities	(147,784,467)	(29,606,983)
Net change in cash	(2,845,197)
Cash at beginning of period	4,705,705	0
Cash at end of period	1,860,508	$ 0
Supplemental disclosure of cash flow information
Cash paid for interest	$ 3,447