Statements of Income and Expenses - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income
Interest Income	$ 9,181,720	$ 16,415,905	$ 19,053,854
Dividends from Affiliates	23,910,823	21,577,336	24,359,948
Total Income	33,092,543	37,993,241	43,413,802
Expenses
Management Fees	6,845,469	6,272,247	7,445,363
Brokerage Commissions and Fees	372,021	380,564	526,069
Interest Expense	45,432	206,850	148,839
Total Expenses	7,262,922	6,859,661	8,120,271
Less: Waivers	(544,371)	(379,711)	(463,155)
Net Expenses	6,718,551	6,479,950	7,657,116
Net Investment Income (Loss)	26,373,992	31,513,291	35,756,686
Net Realized Gain (Loss) on
United States Treasury Obligations	0	2	74
Commodity Futures Contracts	24,130,345	112,377,237	32,701,174
Net Realized Gain (Loss)	24,130,345	112,377,239	32,701,248
Net Change in Unrealized Gain (Loss) on
United States Treasury Obligations	(261,587)	(90,747)	171,804
Affiliated Investments	56,690	(5,669)	279,064
Commodity Futures Contracts	(60,130,455)	66,600,560	(8,331,568)
Net Change in Unrealized Gain (Loss)	(60,335,352)	66,504,144	(7,880,700)
Net Realized and Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts	(36,205,007)	178,881,383	24,820,548
Net Income (Loss)	$ (9,831,015)	$ 210,394,674	$ 60,577,234