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Note 8 - Financial Highlights
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Financial Highlights [Text Block]
8
- Financial Highlights
 
The following financial highlights relate to investment performance and operations for a Share outstanding for the years ended
December
31,
2016,
2015
and
2014.
 
 
 
December 31,
 
 
 
2016
 
 
2015
 
 
2014
 
Net asset value per Share, beginning of year
  $
10.25
    $
11.61
    $
11.66
 
                         
Net investment loss
(a)
   
(0.03
)    
(0.03
)    
(0.03
)
Net realized and unrealized gain (loss)
(b)
   
0.94
     
(1.33
)    
(0.02
)
Net increase (decrease) in net assets from operations
   
0.91
     
(1.36
)    
(0.05
)
Net asset value per Share, end of year
  $
11.16
    $
10.25
    $
11.61
 
                         
Total return, at net asset value
(c)
   
8.88
%
   
(11.71
)
%
   
(0.43
)
%
                         
Ratio to average net assets:
                       
Net investment loss
   
(0.25
)
%
   
(0.25
)
%
   
(0.25
)
%
Expenses
   
0.25
%
   
0.25
%
   
0.25
%
 

(a)
Based on average Shares outstanding during the period.
(b)
The amounts reported for a Share outstanding
may
not accord with the change in aggregate gains and losses on investment for the period due to the timing of Trust Share transactions in relation to the fluctuating fair values of the Trust’s underlying investment.
(c)
Based on the change in net asset value of a Share during the period.