Statements of Operations (Unaudited) - USD ($)		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Investment Income
Interest		$ 2,573,287	$ 7,210,614
Total investment income		2,573,287	7,210,614
Expenses
Sponsor’s fees		1,315,406	2,382,431
Brokerage commissions and fees		229,626	337,146
Total expenses		1,545,032	2,719,577
Net investment income		1,028,255	4,491,037
Net Realized and Unrealized Gain (Loss)
Short-term investments		31,929	101
Futures contracts		(224,199,265)	1,925,231
Net realized gain (loss)		(224,167,336)	1,925,332
Net change in unrealized appreciation/depreciation on:
Short-term investments		630,155	138,118
Futures contracts		(145,592,464)	163,758,363
Net change in unrealized appreciation/depreciation		(144,962,309)	163,896,481
Net realized and unrealized gain (loss)		(369,129,645)	165,821,813
Net increase (decrease) in net assets resulting from operations		$ (368,101,390)	$ 170,312,850
Net increase (decrease) in net assets per Share (in dollars per share)	[1]	$ (7.10)	$ 2.04

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