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FINANCIAL HIGHLIGHTS (Tables)

12 Months Ended

Dec. 31, 2023

FINANCIAL HIGHLIGHTS

Schedule of per share performance data and other supplemental financial data

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​	​	​	​	​	​	​	​	​	​	​
​	​	Year ended		​	Year ended		​	Year ended
​	​	December 31,		​	December 31,		​	December 31,		​
​		2023			2022			2021
Per Share Operating Performance:	​	​	​	​	​	​	​	​	​	​
Net asset value, beginning of year	​	$	17.24	​	$	11.65	​	$	7.74	​
Total income (loss)	​		(8.56)	​		5.78	​		4.01	​
Total expenses	​		(0.10)	​		(0.19)	​		(0.10)	​
Net increase (decrease) in net asset value	​		(8.66)	​		5.59	​		3.91	​
Net asset value, end of year	​	$	8.58	​	$	17.24	​	$	11.65	​
​	​	​	​	​	​	​	​	​	​	​
Total Return	​		(50.23)	%		47.98	%		50.52	%
​	​	​	​	​	​	​	​	​	​	​
Ratios to Average Net Assets	​			​			​			​
Total income (loss)	​		(75.12)	%		11.13	%		28.53	%
Management fees	​		0.75	%		0.75	%		0.75	%
Total expenses excluding management fees	​		1.11	%		0.61	%		1.28	%
Expense waived	​		(0.96)	%		(0.46)	%		(1.13)	%
Net expense excluding management fees	​		0.15	%		0.15	%		0.15	%
Net income (loss)	​		(76.02)	%		10.23	%		27.63	%

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