Statements Of Income And Comprehensive Income (USD $)	3 Months Ended	9 Months Ended
Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Income
Interest Income	$ 815,037	$ 150,146	$ 1,612,684	$ 389,164
Total Income	815,037	150,146	1,612,684	389,164
Expenses
Sponsor's fee	(408,840)	(528,334)	(1,192,040)	(1,769,604)
Total Expenses	(408,840)	(528,334)	(1,192,040)	(1,769,604)
Net Income/(Loss)	406,197	(378,188)	420,644	(1,380,440)
Other Comprehensive Income/(Loss):
Currency translation adjustment	955	(14,998)	4,655	17,414
Total Comprehensive Income/(Loss)	$ 407,152	$ (393,186)	$ 425,299	$ (1,363,026)
Basic and Diluted Earnings per Share	$ 0.14	$ (0.09)	$ 0.15	$ (0.32)
Weighted-average Shares Outstanding	2,824,457	4,171,739	2,847,253	4,365,385
Cash Dividends per Share	$ 0.14		$ 0.15

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