Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net Income (Loss)	$ (897,328)	$ 7,726,085
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Cost of securities purchased	(55,733,051)	(261,986,344)
Proceeds from securities sold and matured	68,000,000	399,575,318
Cost of affiliated investments purchased	(878,991,288)	(296,047,818)
Proceeds from affiliated investments sold	139,932,933	299,043,326
Net accretion of discount on United States Treasury Obligations	(523,692)	(1,738,454)
Net realized (gain) loss on United States Treasury Obligations and Affiliated Investments		18,265
Net change in unrealized (gain) loss on United States Treasury Obligations and Affiliated Investments	(582,044)	(45,373)
Change in operating assets and liabilities:
Variation margin- Currency Futures Contracts	1,110,229	(1,526,926)
Dividends from affiliates	(219,937)	17,075
Management fees	122,115	(96,247)
Brokerage commissions and fees	(3,924)	363
Net cash provided by (used in) operating activities	(727,785,987)	144,939,270
Cash flows from financing activities:
Proceeds from purchases of Shares	869,604,437	15,332,463
Redemption of Shares	(152,323,524)	(163,116,930)
Net cash provided by (used in) financing activities	717,280,913	(147,784,467)
Net change in cash	(10,505,074)	(2,845,197)
Cash at beginning of period	10,505,074	4,705,705
Cash at end of period	0	1,860,508
Supplemental disclosure of cash flow information
Cash paid for interest	$ 1,431	$ 3,447