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	$	16.88		$	13.48		$	14.56		$	12.28
Net investment loss(a)		(0.01	)		(0.01	)		(0.03	)		(0.02	)
Net realized and unrealized gain(b)		1.13			0.73			3.47			1.94
Net increase in net assets from operations		1.12			0.72			3.44			1.92
Net asset value per Share, end of period	$	18.00		$	14.20		$	18.00		$	14.20
Total return, at net asset value(c)(d)		6.64	%		5.34	%		23.63	%		15.64	%
Ratio to average net assets:
Net investment loss(e)		(0.25	)%		(0.25	)%		(0.25	)%		(0.25	)%
Expenses(e)		0.25	%		0.25	%		0.25	%		0.25	%