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Condensed Statements of Operations - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Gain (loss) on trading of commodity futures contracts: |  |
Realized gain (loss) on closed futures contracts | $ (9,396,160) | $ (6,344,216)
Change in unrealized gain (loss) on open futures contracts | 10,861,510 | 1,240,277
Dividend income | 5,400 | 1,776
Interest income | 44,057 | 4,053
ETF transaction fees | 7,350 | 5,950
Total income (loss) | 1,522,157 | (5,092,160)
Expenses |  |
General Partner management fees (Note 3) | 131,164 | 92,815
Professional fees | 22,955 | 20,619
Brokerage commissions | 8,669 | 6,437
Directors' fees and insurance | 2,281 | 2,905
License fees | 3,279 | 2,320
Total expenses | 168,348 | 125,096
Net income (loss) | $ 1,353,809 | $ (5,217,256)
Net income (loss) per limited partnership share | $ (0.65) | $ (2.63)
Net income (loss) per weighted average limited partnership share | $ 0.24 | $ (2.08)
Weighted average limited partnership shares outstanding | 5,659,890 | 2,506,111

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