Statements of Comprehensive Income (Unaudited) (USD $)
3 Months Ended 6 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2013
Apr. 30, 2012
Income        
Interest Income            
Total Income            
Expenses        
Sponsor's fee (303,414) (400,568) (634,651) (861,329)
Interest Expense     (32)  
Total Expenses (303,414) (400,568) (634,683) (861,329)
Net Loss (303,414) (400,568) (634,683) (861,329)
Basic and Diluted Earnings per Share $ (0.10) $ (0.11) $ (0.21) $ (0.21)
Weighted-average Shares Outstanding 2,956,742 3,762,778 3,027,901 4,025,000
Cash Dividends per Share            
Other Comprehensive Loss:        
Currency translation adjustment (1,822) (2,351) (8,309) (6,000)
Total Comprehensive Loss $ (305,236) $ (402,919) $ (642,992) $ (867,329)