XML 22 R5.htm IDEA: XBRL DOCUMENT v3.8.0.1
Statements of Operations - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Gain (loss) on trading of commodity futures contracts:      
Realized gain (loss) on closed futures contracts $ 12,264,400 $ 27,857,540 $ (41,811,240)
Change in unrealized gain (loss) on open futures contracts 3,255,030 9,775,220 (1,095,250)
Realized gain (loss) on short-term investments 0 0 10
Dividend income 173,888 66,811 1,936
Interest income [1] 654,768 290,408 63,675
ETF transaction fees 10,850 14,350 24,150
Total income (loss) 16,358,936 38,004,329 (42,816,719)
Expenses      
General Partner management fees (Note 3) 756,539 832,667 690,367
Professional fees 336,708 179,655 147,894
Brokerage commissions 132,707 165,409 114,922
Directors' fees and insurance 13,325 11,565 10,575
Total expenses 1,239,279 1,189,296 963,758
Expense waiver (Note 3) (331,433) (190,095) (135,317)
Net expenses 907,846 999,201 828,441
Net income (loss) $ 15,451,090 $ 37,005,128 $ (43,645,160)
Net income (loss) per limited partnership share $ 2.48 $ 3.48 $ (10.17)
Net income (loss) per weighted average limited partnership share $ 2.24 $ 4.49 $ (9.02)
Weighted average limited partnership shares outstanding 6,888,630 8,243,989 4,836,438
[1] Interest income does not exceed paid in kind of 5%.