Statements of Operations (Unaudited) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investment Income
Interest		$ 802,960	$ 6,522,254	$ 3,376,247	$ 13,732,868
Total investment income		802,960	6,522,254	3,376,247	13,732,868
Expenses
Sponsor’s fees		984,873	2,074,766	2,300,279	4,457,197
Brokerage commissions and fees		237,503	259,443	467,129	596,589
Total expenses		1,222,376	2,334,209	2,767,408	5,053,786
Net Investment income (loss)		(419,416)	4,188,045	608,839	8,679,082
Net Realized and Unrealized Gain (Loss)
Short-term investments		29,175	8,155	61,104	8,256
Futures contracts		(82,733,584)	(12,341,801)	(306,932,849)	(10,416,570)
Net realized loss		(82,704,409)	(12,333,646)	(306,871,745)	(10,408,314)
Net change in unrealized appreciation/depreciation on:
Short-term investments		(715,749)	215,459	(85,594)	353,577
Futures contracts		141,549,159	(7,677,541)	(4,043,305)	156,080,822
Net change in unrealized appreciation/depreciation		140,833,410	(7,462,082)	(4,128,899)	156,434,399
Net realized and unrealized gain (loss)		58,129,001	(19,795,728)	(311,000,644)	146,026,085
Net increase (decrease) in net assets resulting from operations		$ 57,709,585	$ (15,607,683)	$ (310,391,805)	$ 154,705,167
Net increase (decrease) in net assets per Share (in dollars per share)	[1]	$ 1.04	$ (0.23)	$ (5.78)	$ 2.03

[1] Net increase (decrease) in net assets per Share based on average shares outstanding during the period.