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FINANCIAL HIGHLIGHTS (Tables)

12 Months Ended

Dec. 31, 2024

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, 2024		​	December 31, 2023		​	December 31, 2022		​
Per Share Operating Performance:		​			​			​		​
Net asset value, beginning of year	​	$	35.23	​	$	35.45	​	$	27.81	​
Total income (loss)	​		3.17	​		0.06	​		7.95	​
Total expenses	​		(0.39)	​		(0.28)	​		(0.31)	​
Net increase (decrease) in net asset value	​		2.78	​		(0.22)	​		7.64	​
Net asset value, end of year	​	$	38.01	​	$	35.23	​	$	35.45	​
​	​	​	​	​	​	​	​	​	​	​
Total Return	​		7.89	%		(0.62)	%		27.47	%
​	​	​	​	​	​	​	​	​	​	​
Ratios to Average Net Assets	​			​			​			​
Total income (loss)	​		9.39	%		0.72	%		31.17	%
Management fees	​		0.60	%		0.60	%		0.60	%
Total expenses excluding management fees	​		0.42	%		0.19	%		0.25	%
Net income (loss)	​		8.36	%		(0.07)	%		30.32	%

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Tabular disclosure of per unit performance data and other supplemental financial data.

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