Commodities Held by Broker - Schedule of Realized and Unrealized Gains and Losses on Contracts (Details) - USD ($)	3 Months Ended	6 Months Ended
Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Brokers and Dealers [Abstract]
Gross realized gains	$ 171,955	$ 134,849	$ 714,551	$ 265,795
Gross realized losses	(1,661,913)	(545,296)	(1,971,526)	(958,631)
Unrealized (loss) gain	(61,239)	737,041	(604,388)	852,909
Total	$ (1,551,197)	$ 326,594	$ (1,861,363)	$ 160,073

No definition available.

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- Definition

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

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- Definition

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.

+ References

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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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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