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Statements of Changes in Shareholders' Equity - USD ($)
Total
Retained Earnings [Member]
Beginning of Year at Oct. 31, 2016   $ 0
Net Comprehensive Loss $ (592,192) (592,192)
Adjustment of redeemable capital Shares to redemption value   592,192
End of Year at Oct. 31, 2017   0
Net Comprehensive Loss (91,379) (91,379)
Adjustment of redeemable capital Shares to redemption value   91,379
End of Year at Dec. 31, 2017   0
Beginning of Year at Oct. 31, 2017   0
Net Comprehensive Loss (704,433) (704,433)
Adjustment of redeemable capital Shares to redemption value   704,433
End of Year at Oct. 31, 2018   0
Net Comprehensive Loss $ (122,840) (122,840)
Adjustment of redeemable capital Shares to redemption value   122,840
End of Year at Dec. 31, 2018   $ 0