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Commodities Held by Broker - Schedule of Contracts Held by Broker (Details) - USD ($)	Apr. 30, 2019	Oct. 31, 2018
Brokers and Dealers [Abstract]
Option Contracts	$ (398,588)	$ (39,926)
Future Contracts	(227,846)	17,880
Total Commodities	$ (626,434)	$ (22,046)

X

- Definition

Total commodities.

+ References

No definition available.

+ Details

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X

- Definition

Future contracts.

+ References

No definition available.

+ Details

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- References

No definition available.

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X

- Definition

The fair value of the open option contracts written for the investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B.4,Column E)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611197-123010

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