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Subsequent Event	3 Months Ended
	Jan. 31, 2018
Subsequent Events [Abstract]
Subsequent Event	9. Subsequent Event On September 28, 2017, Guggenheim Capital LLC entered into an agreement to sell its exchange-traded funds business to Invesco Ltd. (“Invesco”), a leading independent global investment management company (the “Transaction”). In connection with the Transaction, Invesco will acquire 100% of the issued and outstanding membership interests of Guggenheim Specialized Products, LLC, the sponsor of the Trust. The Transaction is expected to close in the second quarter of 2018.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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