Consolidated Statements of Operations - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Net gain (loss) allocated from investment in Graham Alternative Investment Trading LLC:
Net realized gain (loss) on investment	$ 4,461,890	$ (252,193)
Net decrease in unrealized appreciation on investment	(410,056)	(649,258)
Brokerage commissions and fees	(217,363)	(250,932)
Net gain (loss) allocated from investment in Graham Alternative Investment Trading LLC	3,834,471	(1,152,383)
Investment income:
Interest income	555,218	546,698
Expenses
Advisory fees	424,019	523,762
Sponsor fees	224,152	272,976
Professional fees and other	178,532	184,690
Administrator's fees	36,865	45,411
Interest expense	6,086	0
Total expenses	869,654	1,026,839
Net investment loss allocated from investment in Graham Alternative Investment Trading LLC	(314,436)	(480,141)
Net income (loss)	$ 3,520,035	$ (1,632,524)

Investment income (loss) net of operating and interest expense.

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Broker-dealers often use other brokers to execute trades on their behalf. The trading broker-dealer becomes a customer of the executing broker-dealer and pays a floor brokerage fee. Such fees are paid periodically either directly to the executing broker-dealer or through a clearing house.

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The sum of the realized and unrealized net gain (loss) on trading securities during the period.

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