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Consolidated Statements of Operations - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Net gain allocated from investment in Graham Alternative Investment Trading LLC:    
Net realized gain on investment $ 2,404,544 $ 3,939,073
Net (decrease) increase in unrealized appreciation on investment (536,348) 939,977
Brokerage commissions and fees (82,946) (116,402)
Net gain allocated from investment in Graham Alternative Investment Trading LLC 1,785,250 4,762,648
Investment income:    
Interest income 24,566 287,110
Expenses:    
Advisory fees 441,730 422,597
Incentive allocation 425,718 536,800
Sponsor fees 229,885 222,799
Professional fees and other 167,247 133,006
Administrator's fees 37,556 36,437
Interest expense 6,876 6,743
Total expenses 1,309,012 1,358,382
Net investment loss allocated from investment in Graham Alternative Investment Trading LLC (1,284,446) (1,071,272)
Net income $ 500,804 $ 3,691,376