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Note 8 - Financial Highlights (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Financial Highlights [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2020				2019				2020				2019
Net asset value per Share, beginning of period		$	16.62			$	14.25			$	16.85			$	14.52

Net investment loss(a)			(0.03	)			(0.02	)			(0.07	)			(0.06	)
Net realized and unrealized gain(b)			5.49				1.91				5.30				1.68
Net increase in net assets from operations			5.46				1.89				5.23				1.62
Net asset value per Share, end of period		$	22.08			$	16.14			$	22.08			$	16.14

Total return, at net asset value(c)(d)			32.85	%			13.26	%			31.04	%			11.16	%

Ratio to average net assets:
Net investment loss(e)			(0.50	)%			(0.50	)%			(0.50	)%			(0.50	)%
Expenses(e)			0.50	%			0.50	%			0.50	%			0.50	%