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FINANCIAL HIGHLIGHTS (Tables)

12 Months Ended

Dec. 31, 2024

FINANCIAL HIGHLIGHTS

Summary 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	​	$	66.91	​	$	70.05	​	$	54.18	​
Total income (loss)	​		9.15	​		(2.65)	​		16.31	​
Total expenses	​		(0.61)	​		(0.49)	​		(0.44)	​
Net increase (decrease) in net asset value	​		8.54	​		(3.14)	​		15.87	​
Net asset value, end of year	​	$	75.45	​	$	66.91	​	$	70.05	​
​	​	​	​	​	​	​	​	​	​	​
Total Return	​		12.76	%		(4.48)	%		29.29	%
​	​	​	​	​	​	​	​	​	​	​
Ratios to Average Net Assets	​		​	​		​	​		​	​
Total income (loss)	​		17.61	%		(2.20)	%		31.22	%
Management fees	​		0.45	%		0.45	%		0.45	%
Total expenses excluding management fees	​		0.37	%		0.25	%		0.15	%
Net income (loss)	​		16.79	%		(2.90)	%		30.61	%

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

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