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	$ 1,311,627	$ 69,294	$ 2,907,142	$ 69,294
Total Income	1,311,627	69,294	2,907,142	69,294
Expenses
Sponsor's fee	(906,721)	(606,964)	(2,155,628)	(1,782,091)
Total Expenses	(906,721)	(606,964)	(2,155,628)	(1,782,091)
Net Income/(Loss)	404,906	(537,670)	751,514	(1,712,797)
Other Comprehensive Income/(Loss):
Currency translation adjustment	5,665	(6,029)	11,311	(7,499)
Total Comprehensive Income/(Loss)	$ 410,571	$ (543,699)	$ 762,825	$ (1,720,296)
Basic and Diluted Earnings per Share	$ 0.05	$ (0.09)	$ 0.11	$ (0.28)
Weighted-average Shares Outstanding	8,848,370	6,305,435	7,154,945	6,225,275
Cash Dividends per Share	$ 0.04		$ 0.09

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