Commodities Held by Broker - Schedule of Realized and Unrealized Gains and Losses on Contracts (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Brokers and Dealers [Abstract]
Gross realized gains	$ 364,076	$ 369,233	$ 1,078,627	$ 635,029
Gross realized losses	(450,602)	(414,476)	(2,422,128)	(1,373,107)
Unrealized (loss) gain	529,730	(1,170,086)	(74,658)	(317,177)
Total	$ 443,204	$ (1,215,329)	$ (1,418,159)	$ (1,055,255)