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Commodities Held by Broker - Schedule of Realized and Unrealized Gains and Losses on Contracts (Details) - USD ($)	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Brokers and Dealers [Abstract]
Gross realized gains	$ 542,596	$ 130,946
Gross realized losses	(309,613)	(413,335)
Unrealized (loss) gain	(543,149)	115,868
Total	$ (310,166)	$ (166,521)

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Amount of realized and unrealized gain (loss) on investment.

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The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds.

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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