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CONTRACTS AND AGREEMENTS (Tables) | 6 Months Ended
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Jun. 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 six months ended June 30, 2017 |  |  | For the six months ended June 30, 2016 |
Total commissions accrued to brokers |  | $ | 67,768 |  |  | $ | 94,468 |
Total commissions as an annualized percentage of average net assets |  |  | 0.13 | % |  |  | 0.17 | %
Commissions accrued as a result of rebalancing |  | $ | 65,397 |  |  | $ | 91,301 |
Percentage of commissions accrued as a result of rebalancing |  |  | 96.50 | % |  |  | 96.65 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 2,371 |  |  | $ | 3,167 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 3.50 | % |  |  | 3.35 | %

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