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7. COMMODITIES HELD BY BROKER (Details 1) - USD ($)
3 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Commodities Held By Broker Details 1    
Gross realized gains $ 120,599 $ 645,598
Gross realized losses (532,372) (980,681)
Unrealized (loss) gains 1,551 (1,361,809)
Total $ (410,222) $ (1,696,892)