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FINANCIAL HIGHLIGHTS (Tables)

9 Months Ended

Sep. 30, 2019

FINANCIAL HIGHLIGHTS

Per Unit Performance Data And Other Supplemental Financial Data

The following table presents per share performance data and other supplemental financial data for the nine months ended September 30, 2019 and 2018 for the shareholders. This information has been derived from information presented in the condensed financial statements.

​	​	​	​	​	​	​	​
​		For the nine months ended			For the nine months ended
​	​	September 30, 2019		​	September 30, 2018
​	​	(Unaudited)		​	(Unaudited)
Per Share Operating Performance:		​			​		​
Net asset value, beginning of period	​	$	9.59	​	$	12.08	​
Total income (loss)	​		1.76	​		3.46	​
Total expenses	​		(0.07)	​		(0.07)	​
Net increase (decrease) in net asset value	​		1.69	​		3.39	​
Net asset value, end of period	​	$	11.28	​	$	15.47	​
​	​		​	​		​	​
Total Return	​		17.62	%		28.06	%
​	​		​	​		​	​
Ratios to Average Net Assets	​		​	​		​	​
Total income (loss)	​		21.52	%		25.82	%
Management fees*	​		0.45	%		0.45	%
Expenses excluding management fees*	​		0.35	%		0.27	%
Net income (loss)	​		20.92	%		25.27	%

*   Annualized.

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Per Unit Performance Data and Other Supplemental Financial Data [Table Text Block]

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