Commodities Held by Broker - Schedule of Realized and Unrealized Gains and Losses on Contracts (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Brokers and Dealers [Abstract]
Gross realized gains	$ 150,972	$ 364,076	$ 992,875	$ 1,078,627
Gross realized losses	(525,155)	(450,602)	(1,320,080)	(2,422,128)
Unrealized gain (loss)	674,015	529,730	355,079	(74,658)
Total	$ 299,832	$ 443,204	$ 27,874	$ (1,418,159)