Q.S.I Co., LTD. (KOSDAQ:066310)
 7,240.00
 -60.00 (-0.82%)
  At close: Oct 28, 2025
Q.S.I Co., LTD. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume | 
|---|---|---|---|---|---|---|---|
| Oct 29, 2025 | 7,300.00 | 7,720.00 | 7,220.00 | 7,450.00 | 7,450.00 | 2.90% | 83,164 | 
| Oct 28, 2025 | 7,300.00 | 7,390.00 | 7,170.00 | 7,240.00 | 7,240.00 | -0.82% | 43,560 | 
| Oct 27, 2025 | 7,280.00 | 7,390.00 | 7,240.00 | 7,300.00 | 7,300.00 | 0.27% | 50,322 | 
| Oct 24, 2025 | 7,530.00 | 7,640.00 | 7,280.00 | 7,280.00 | 7,280.00 | -2.67% | 68,971 | 
| Oct 23, 2025 | 7,580.00 | 7,650.00 | 7,420.00 | 7,480.00 | 7,480.00 | -1.32% | 33,269 | 
| Oct 22, 2025 | 7,650.00 | 7,740.00 | 7,360.00 | 7,580.00 | 7,580.00 | -0.92% | 46,850 | 
| Oct 21, 2025 | 7,770.00 | 7,800.00 | 7,630.00 | 7,650.00 | 7,650.00 | -1.42% | 25,732 | 
| Oct 20, 2025 | 7,800.00 | 7,830.00 | 7,610.00 | 7,760.00 | 7,760.00 | 0.13% | 29,338 | 
| Oct 17, 2025 | 8,080.00 | 8,080.00 | 7,720.00 | 7,750.00 | 7,750.00 | -4.44% | 63,567 | 
| Oct 16, 2025 | 8,300.00 | 8,300.00 | 8,070.00 | 8,110.00 | 8,110.00 | -1.82% | 30,282 | 
| Oct 15, 2025 | 8,110.00 | 8,330.00 | 8,090.00 | 8,260.00 | 8,260.00 | 2.23% | 43,098 | 
| Oct 14, 2025 | 8,330.00 | 8,450.00 | 8,040.00 | 8,080.00 | 8,080.00 | -0.37% | 153,651 | 
| Oct 13, 2025 | 8,010.00 | 8,260.00 | 7,890.00 | 8,110.00 | 8,110.00 | -1.70% | 24,593 | 
| Oct 10, 2025 | 8,170.00 | 8,330.00 | 8,050.00 | 8,250.00 | 8,250.00 | 3.00% | 61,276 | 
| Oct 2, 2025 | 7,960.00 | 8,080.00 | 7,960.00 | 8,010.00 | 8,010.00 | 0.13% | 18,925 | 
| Oct 1, 2025 | 8,020.00 | 8,170.00 | 7,880.00 | 8,000.00 | 8,000.00 | 0.13% | 22,408 | 
| Sep 30, 2025 | 7,830.00 | 8,080.00 | 7,830.00 | 7,990.00 | 7,990.00 | 1.40% | 25,805 | 
| Sep 29, 2025 | 7,710.00 | 8,050.00 | 7,700.00 | 7,880.00 | 7,880.00 | 3.14% | 47,104 | 
| Sep 26, 2025 | 7,900.00 | 7,900.00 | 7,600.00 | 7,640.00 | 7,640.00 | -3.29% | 48,494 | 
| Sep 25, 2025 | 8,090.00 | 8,090.00 | 7,890.00 | 7,900.00 | 7,900.00 | -1.50% | 30,572 | 
| Sep 24, 2025 | 8,010.00 | 8,320.00 | 7,910.00 | 8,020.00 | 8,020.00 | 0.25% | 37,769 | 
| Sep 23, 2025 | 8,080.00 | 8,140.00 | 7,920.00 | 8,000.00 | 8,000.00 | -1.23% | 27,874 | 
| Sep 22, 2025 | 8,140.00 | 8,380.00 | 8,100.00 | 8,100.00 | 8,100.00 | 1.12% | 96,738 | 
| Sep 19, 2025 | 8,050.00 | 8,170.00 | 7,970.00 | 8,010.00 | 8,010.00 | 0.38% | 63,928 | 
| Sep 18, 2025 | 7,840.00 | 8,150.00 | 7,760.00 | 7,980.00 | 7,980.00 | 3.77% | 113,918 | 
| Sep 17, 2025 | 7,760.00 | 7,760.00 | 7,660.00 | 7,690.00 | 7,690.00 | -0.90% | 20,791 | 
| Sep 16, 2025 | 7,830.00 | 7,970.00 | 7,740.00 | 7,760.00 | 7,760.00 | -0.51% | 12,896 | 
| Sep 15, 2025 | 7,950.00 | 7,950.00 | 7,750.00 | 7,800.00 | 7,800.00 | 0.78% | 14,868 | 
| Sep 12, 2025 | 7,930.00 | 7,970.00 | 7,740.00 | 7,740.00 | 7,740.00 | -1.02% | 33,472 | 
| Sep 11, 2025 | 7,950.00 | 7,950.00 | 7,790.00 | 7,820.00 | 7,820.00 | -0.64% | 11,514 | 
| Sep 10, 2025 | 7,790.00 | 7,950.00 | 7,750.00 | 7,870.00 | 7,870.00 | 2.08% | 27,124 | 
| Sep 9, 2025 | 7,830.00 | 7,830.00 | 7,660.00 | 7,710.00 | 7,710.00 | -0.52% | 13,073 | 
| Sep 8, 2025 | 7,810.00 | 7,900.00 | 7,710.00 | 7,750.00 | 7,750.00 | -0.90% | 11,158 | 
| Sep 5, 2025 | 7,940.00 | 7,940.00 | 7,800.00 | 7,820.00 | 7,820.00 | -1.51% | 12,621 | 
| Sep 4, 2025 | 7,850.00 | 7,990.00 | 7,850.00 | 7,940.00 | 7,940.00 | 1.15% | 13,967 | 
| Sep 3, 2025 | 7,960.00 | 8,000.00 | 7,830.00 | 7,850.00 | 7,850.00 | -1.63% | 11,415 | 
| Sep 2, 2025 | 7,830.00 | 8,100.00 | 7,830.00 | 7,980.00 | 7,980.00 | 1.27% | 70,269 | 
| Sep 1, 2025 | 7,630.00 | 7,970.00 | 7,610.00 | 7,880.00 | 7,880.00 | 3.68% | 54,712 | 
| Aug 29, 2025 | 7,590.00 | 7,810.00 | 7,530.00 | 7,600.00 | 7,600.00 | 1.47% | 41,579 | 
| Aug 28, 2025 | 7,580.00 | 7,670.00 | 7,490.00 | 7,490.00 | 7,490.00 | -1.06% | 10,199 | 
| Aug 27, 2025 | 7,660.00 | 7,740.00 | 7,550.00 | 7,570.00 | 7,570.00 | -1.17% | 11,922 | 
| Aug 26, 2025 | 7,520.00 | 7,740.00 | 7,520.00 | 7,660.00 | 7,660.00 | 0.79% | 6,362 | 
| Aug 25, 2025 | 7,550.00 | 7,660.00 | 7,510.00 | 7,600.00 | 7,600.00 | 0.66% | 6,787 | 
| Aug 22, 2025 | 7,610.00 | 7,680.00 | 7,520.00 | 7,550.00 | 7,550.00 | -1.95% | 29,438 | 
| Aug 21, 2025 | 7,570.00 | 7,860.00 | 7,480.00 | 7,700.00 | 7,700.00 | 1.99% | 49,462 | 
| Aug 20, 2025 | 7,410.00 | 7,940.00 | 7,300.00 | 7,550.00 | 7,550.00 | -0.13% | 27,040 | 
| Aug 19, 2025 | 7,690.00 | 7,720.00 | 7,530.00 | 7,560.00 | 7,560.00 | -1.31% | 15,096 | 
| Aug 18, 2025 | 7,820.00 | 7,880.00 | 7,560.00 | 7,660.00 | 7,660.00 | -1.92% | 29,880 | 
| Aug 14, 2025 | 7,870.00 | 8,010.00 | 7,790.00 | 7,810.00 | 7,810.00 | -1.01% | 8,082 | 
| Aug 13, 2025 | 7,810.00 | 7,960.00 | 7,800.00 | 7,890.00 | 7,890.00 | 0.77% | 7,458 |