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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Effect of Derivative Instruments on Statements of Operations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Change in unrealized gain (loss) on open commodity futures contracts
FAIR VALUE OF FINANCIAL INSTRUMENTS
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income	$ (263,670)	$ 3,782,570	$ (16,427,730)
Futures - Commodity Contracts \| Realized gain (loss) on closed commodity futures contracts
FAIR VALUE OF FINANCIAL INSTRUMENTS
Realized Gain (Loss) on Derivatives Recognized in Income	$ (6,622,950)	$ 1,237,760	$ 5,488,970

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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