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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of valuation of BNO'S securities (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | $ 75,000,000 | $ 76,785,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 2,601,040 | (1,181,530)
Level I |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 75,000,000 | 76,785,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 2,601,040 | (1,181,530)
Level II |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 0 | 0
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 0 | 0
Level III |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 0 | 0
Exchange-Traded Futures Contracts |  |
Foreign Contracts | $ 0 | $ 0

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