XML 44 R30.htm IDEA: XBRL DOCUMENT v3.23.3
FINANCIAL HIGHLIGHTS (Details) - $ / shares
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Per Share Operating Performance:        
Net asset value, beginning of period $ 32.70 $ 39.48 $ 35.45 $ 27.81
Total income (loss) 7.44 (6.95) 4.81 4.88
Total expenses (0.08) (0.08) (0.20) (0.24)
Net increase (decrease) in net asset value 7.36 (7.03) 4.61 4.64
Net asset value, end of period $ 40.06 $ 32.45 $ 40.06 $ 32.45
Total Return 22.51% (17.81%) 13.00% 16.68%
Ratios to Average Net Assets        
Total income (loss) 20.38% (18.84%) 13.18% 22.56%
Management fees 0.60% 0.60% 0.60% 0.60%
Total expenses excluding management fees 0.21% 0.23% 0.17% 0.28%
Net income (loss) 20.17% (19.05%) 12.61% 21.90%