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Statements of Income and Expenses - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income      
Interest Income $ 2,916,079 $ 2,778,371 $ 533,556
Dividends from Affiliates 5,184,488 4,909,542 814,462
Total Income 8,100,567 7,687,913 1,348,018
Expenses      
Management Fee 1,184,098 1,155,514 791,919
Brokerage Commissions and Fees 5,468 10,084 31,778
Interest Expense 49,997 29,202 6,842
Total Expenses 1,239,563 1,194,800 830,539
Less: Waivers (92,116) (94,008) (43,095)
Net Expenses 1,147,447 1,100,792 787,444
Net Investment Income (Loss) 6,953,120 6,587,121 560,574
Net Realized Gain (Loss) on      
United States Treasury Obligations   63  
Affiliated Investments     (25,189)
Commodity Futures Contracts 38,573,595 7,541,558 (12,223,418)
Net Realized Gain (Loss) 38,573,595 7,541,621 (12,248,607)
Net Change in Unrealized Gain (Loss) on      
United States Treasury Obligations (863) 47,154 12,095
Affiliated Investments (1,020) 54,034 13,199
Commodity Futures Contracts (9,243,523) (2,765,154) 8,296,896
Net Change in Unrealized Gain (Loss) (9,245,406) (2,663,966) 8,322,190
Net Realized and Net Change in Unrealized Gain (Loss) on United States Treasury Obligations, Affiliated Investments and Commodity Futures Contracts 29,328,189 4,877,655 (3,926,417)
Net Income (Loss) $ 36,281,309 $ 11,464,776 $ (3,365,843)