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CONTRACTS AND AGREEMENTS (Tables) | 6 Months Ended
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Jun. 30, 2017
Contractors [Abstract] |
Brokerage Commissions |
|  | For the six months ended June 30, 2017 |  |  | For the six months ended June 30, 2016 |
Total commissions accrued to brokers |  | $ | 800,656 |  |  | $ | 1,085,522 |
Total commissions as an annualized percentage of average net assets |  |  | 0.34 | % |  |  | 0.42 | %
Commissions accrued as a result of rebalancing |  | $ | 647,003 |  |  | $ | 1,030,262 |
Percentage of commissions accrued as a result of rebalancing |  |  | 80.81 | % |  |  | 94.91 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 153,653 |  |  | $ | 55,260 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 19.19 | % |  |  | 5.09 | %

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