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Note 8 - Financial Highlights (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Financial Highlights [Table Text Block]
  

Three Months Ended
March 31,

 
  

2022

 

Net asset value per Share, beginning of period

 $18.19 
     

Net investment income(a)

  (0.00)(b)

Net realized and unrealized gain (loss)(c)

  1.22 

Net increase in net assets from operations

  1.22 

Net asset value per Share, end of period

 $19.41 
     

Total return, at net asset value(d)(e)

  6.71% 
     

Ratio to average net assets:

    

Net investment loss(f)

  (0.07)% 

Total expenses(f)

  0.15% 

Total expenses after fees waived(f)

  0.07%