Statements of Cash Flows (USD $)	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Cash flows from operating activities
Cash paid for expenses	$ (597,276)	$ (1,494,155)	$ (815,031)
Net cash used in operating activities	(597,276)	(1,494,155)	(815,031)
Cash flows from financing activities
Cash received to purchase redeemable shares	726,650,352	653,581,668	1,095,850,719
Cash paid to redeem redeemable shares	(685,046,621)	(1,207,561,981)	(655,675,480)
Net cash provided by/(used in) financing activities	41,603,731	(553,980,313)	440,175,239
Adjustment to period cash flows due to currency movement	(25,457,297)	(10,771,866)	22,415,883
Increase/(Decrease) in cash	15,549,158	(566,246,334)	461,776,091
Cash at beginning of year	128,968,366	695,214,700	233,438,609
Cash at end of year	144,517,524	128,968,366	695,214,700
Reconciliation of net loss to net cash used in operating activities
Net Loss	(615,270)	(1,344,961)	(935,531)
Adjustments to reconcile net loss to net cash used in operating activities:
Currency translation adjustment	12,435	11,763	2,025
Accrued sponsor fee	53,674	48,115	209,072
Prior period accrued sponsor fee	(48,115)	(209,072)	(90,597)
Net cash used in operating activities	$ (597,276)	$ (1,494,155)	$ (815,031)