Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net Income (Loss)	$ (90,662,412)	$ 48,856,525
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Cost of securities purchased	(308,401,709)	(258,959,855)
Proceeds from securities sold and matured	230,007,200	146,000,000
Cost of affiliated investments purchased	(404,024,877)	(419,398,603)
Proceeds from affiliated investments sold	496,649,975	269,388,378
Net accretion of discount on United States Treasury Obligations	(1,174,959)	(50,653)
Net realized (gain) loss on United States Treasury Obligations and Affiliated Investments	(11,254)
Net change in unrealized (gain) loss on United States Treasury Obligations, Affiliated Investments and LME Commodity Futures Contracts	134,465,517	12,634,628
Change in operating assets and liabilities:
Dividends from affiliates	(428,939)	(2,890)
LME Commodity Futures Contracts	46,521,912	409,350
Management fees	(119,433)	157,301
Brokerage commissions and fees	(563)	1,015
Net cash provided by (used in) operating activities	102,820,458	(200,964,804)
Cash flows from financing activities:
Proceeds from purchases of Shares	245,398,976	271,387,492
Redemption of Shares	(348,219,434)	(70,422,688)
Net cash provided by (used in) financing activities	(102,820,458)	200,964,804
Supplemental disclosure of cash flow information
Cash paid for interest	$ 1,559	$ 54