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FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value of Derivative Instruments (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
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FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Unrealized gain (loss) on open commodity futures contracts | $ (814,334) | $ 1,115,220
Commodity Contracts | Futures |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Unrealized gain (loss) on open commodity futures contracts | $ (814,334) | $ 1,115,220

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