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Condensed Statements of Operations - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Gain (loss) on trading of commodity futures contracts: |  |  |  |
Realized gain (loss) on closed futures contracts | $ (7,454,670) | $ 454,600 | $ (19,494,981) | $ 2,495,090
Change in unrealized gain (loss) on open futures contracts | (11,706,590) | (6,883,810) | 4,104,681 | (3,251,600)
Dividend income | 1,254 | 2,460 | 4,825 | 7,996
Interest income | 11,401 | 1,506 | 24,345 | 4,660
ETF transaction fees | 3,850 | 700 | 12,600 | 1,750
Total income (loss) | (19,144,755) | (6,424,544) | (15,348,530) | (742,104)
Expenses |  |  |  |
General Partner management fees (Note 3) | 108,930 | 81,958 | 329,127 | 254,892
Professional fees | 22,243 | 26,830 | 80,703 | 115,685
Brokerage commissions | 5,205 | 1,076 | 15,370 | 3,592
Directors' fees and insurance | 2,311 | 3,861 | 7,674 | 12,306
License fees | 2,722 | 2,050 | 8,228 | 6,373
Registration fees | 0 | 0 | 0 | 1,350
Total expenses | 141,411 | 115,775 | 441,102 | 394,198
Net income (loss) | $ (19,286,166) | $ (6,540,319) | $ (15,789,632) | $ (1,136,302)
Net income (loss) per limited partnership share | $ (6.39) | $ (5.37) | $ (6.14) | $ (1.03)
Net income (loss) per weighted average limited partnership share | $ (5.78) | $ (5.36) | $ (5.25) | $ (0.88)
Weighted average limited partnership shares outstanding | 3,335,870 | 1,219,565 | 3,007,143 | 1,289,560

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