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CONTRACTS AND AGREEMENTS (Tables) | 9 Months Ended
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Sep. 30, 2017
Contractors [Abstract] |
Brokerage Commissions | BNO also incurs commissions to brokers for the purchase and sale of Futures Contracts, Other Crude Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).
|  | For the nine months ended September 30, 2017 |  |  | For the nine months ended September 30, 2016 |
Total commissions accrued to brokers |  | $ | 103,523 |  |  | $ | 130,670 |
Total commissions as an annualized percentage of average total net assets |  |  | 0.14 | % |  |  | 0.16 | %
Commissions accrued as a result of rebalancing |  | $ | 99,442 |  |  | $ | 127,245 |
Percentage of commissions accrued as a result of rebalancing |  |  | 96.06 | % |  |  | 97.38 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 4,081 |  |  | $ | 3,425 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 3.94 | % |  |  | 2.62 | %

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