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Statements of Cash Flows
12 Months Ended
Oct. 31, 2018
USD ($)
Oct. 31, 2017
USD ($)
Oct. 31, 2016
USD ($)
Cash flows from operating activities      
Cash received for accrued income $ 0 $ 0 $ 0
Cash paid for expenses (2,484,735) (2,112,462) (2,247,862)
Net cash used in operating activities (2,484,735) (2,112,462) (2,247,862)
Cash flows from financing activities      
Cash received to purchase redeemable shares 554,200,425 1,092,051,831 1,198,371,197
Cash paid to redeem redeemable shares (674,227,051) (1,000,949,967) (1,285,096,408)
Net cash provided by/(used in) financing activities (120,026,626) 91,101,864 (86,725,211)
Adjustment to period cash flows due to currency movement (4,669,267) 21,039,648 (1,698,856)
Increase/(Decrease) in cash (127,180,628) 110,029,050 (90,671,929)
Cash at beginning of year 376,734,108 266,705,058 357,376,987
Cash at end of year 249,553,480 376,734,108 266,705,058
Reconciliation of net comprehensive loss to net cash used in operating activities      
Net Comprehensive Loss (2,437,574) (2,178,761) (2,249,106)
Adjustments to reconcile net comprehensive loss to net cash used in operating activities:      
Effect of exchange rate on cash 9,973 1,460 (3,062)
Accrued sponsor fee 80,060 108,181 75,126
Accrued interest expense on currency deposits 80,897 109,910 78,126
Prior period accrued sponsor fee (108,181) (75,126) (100,209)
Prior period accrued interest expense on currency deposits (109,910) (78,126) (48,737)
Net cash used in operating activities $ (2,484,735) $ (2,112,462) $ (2,247,862)