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v3.19.1

Condensed Statements of Operations - USD ($) | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Gain (loss) on trading of commodity futures contracts: |  |
Realized gain (loss) on closed futures contracts | $ (51,559,207) | $ 67,078,910
Change in unrealized gain (loss) on open futures contracts | 50,133,597 | (56,078,080)
Realized gain (loss) on short-term investments | 0 | (13,490)
Dividend income | 112,110 | 56,967
Interest income | 1,610,320 | 1,394,568
ETF transaction fees | 37,000 | 62,000
Total income (loss) | 333,820 | 12,500,875
Expenses |  |
General Partner management fees (Note 3) | 432,915 | 648,691
Professional fees | 238,685 | 238,684
Brokerage commissions | 271,564 | 445,015
Directors' fees and insurance | 17,201 | 15,378
License fees | 10,823 | 16,217
Registration fees | 25,390 | 39,269
Total expenses | 996,578 | 1,403,254
Net income (loss) | $ (662,758) | $ 11,097,621
Net income (loss) per limited partnership share | $ (0.93) | $ (0.80)
Net income (loss) per weighted average limited partnership share | $ (0.06) | $ 0.59
Weighted average limited partnership shares outstanding | 11,760,144 | 18,881,532

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- Definition Cash dividends declared or paid to each outstanding limited partnership unit during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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