Q.S.I Co., LTD. (KOSDAQ:066310)
15,170
+410 (2.78%)
Apr 29, 2026, 3:30 PM KST
Q.S.I Co., LTD. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 29, 2026 | 14,760.00 | 15,170.00 | 14,320.00 | 15,170.00 | 15,170.00 | 2.78% | 338,469 |
| Apr 28, 2026 | 15,190.00 | 15,200.00 | 14,180.00 | 14,760.00 | 14,760.00 | -1.14% | 412,439 |
| Apr 27, 2026 | 14,180.00 | 15,250.00 | 14,170.00 | 14,930.00 | 14,930.00 | 5.36% | 725,314 |
| Apr 24, 2026 | 14,300.00 | 14,560.00 | 14,020.00 | 14,170.00 | 14,170.00 | -0.91% | 437,353 |
| Apr 23, 2026 | 14,900.00 | 15,160.00 | 14,000.00 | 14,300.00 | 14,300.00 | -3.70% | 610,215 |
| Apr 22, 2026 | 15,300.00 | 15,300.00 | 14,500.00 | 14,850.00 | 14,850.00 | -3.51% | 658,656 |
| Apr 21, 2026 | 16,780.00 | 17,010.00 | 14,710.00 | 15,390.00 | 15,390.00 | -8.17% | 1,529,235 |
| Apr 20, 2026 | 16,340.00 | 19,430.00 | 15,600.00 | 16,760.00 | 16,760.00 | 1.70% | 4,863,074 |
| Apr 17, 2026 | 17,000.00 | 17,200.00 | 15,330.00 | 16,480.00 | 16,480.00 | -7.78% | 3,297,764 |
| Apr 16, 2026 | 20,500.00 | 22,750.00 | 17,510.00 | 17,870.00 | 17,870.00 | 2.06% | 13,070,197 |
| Apr 15, 2026 | 14,100.00 | 17,510.00 | 13,740.00 | 17,510.00 | 17,510.00 | 29.99% | 5,022,767 |
| Apr 14, 2026 | 14,470.00 | 14,470.00 | 13,000.00 | 13,470.00 | 13,470.00 | -0.22% | 1,792,601 |
| Apr 13, 2026 | 11,850.00 | 13,810.00 | 11,780.00 | 13,500.00 | 13,500.00 | 10.47% | 1,959,141 |
| Apr 10, 2026 | 12,300.00 | 12,860.00 | 12,090.00 | 12,220.00 | 12,220.00 | 4.09% | 1,374,489 |
| Apr 9, 2026 | 12,380.00 | 12,500.00 | 11,500.00 | 11,740.00 | 11,740.00 | -4.94% | 466,303 |
| Apr 8, 2026 | 11,100.00 | 12,400.00 | 11,100.00 | 12,350.00 | 12,350.00 | 15.31% | 1,291,621 |
| Apr 7, 2026 | 11,430.00 | 11,430.00 | 10,480.00 | 10,710.00 | 10,710.00 | -4.63% | 282,844 |
| Apr 6, 2026 | 12,120.00 | 12,320.00 | 11,160.00 | 11,230.00 | 11,230.00 | 2.46% | 828,300 |
| Apr 3, 2026 | 10,930.00 | 11,400.00 | 10,640.00 | 10,960.00 | 10,960.00 | 2.81% | 260,069 |
| Apr 2, 2026 | 11,410.00 | 11,630.00 | 10,500.00 | 10,660.00 | 10,660.00 | -6.57% | 372,256 |
| Apr 1, 2026 | 11,000.00 | 11,630.00 | 10,930.00 | 11,410.00 | 11,410.00 | 7.34% | 571,481 |
| Mar 31, 2026 | 10,840.00 | 10,960.00 | 10,240.00 | 10,630.00 | 10,630.00 | -4.41% | 365,856 |
| Mar 30, 2026 | 11,190.00 | 11,800.00 | 10,750.00 | 11,120.00 | 11,120.00 | -6.00% | 518,480 |
| Mar 27, 2026 | 11,820.00 | 12,500.00 | 11,140.00 | 11,830.00 | 11,830.00 | - | 1,157,110 |
| Mar 26, 2026 | 13,380.00 | 13,380.00 | 11,830.00 | 11,830.00 | 11,830.00 | -12.69% | 1,316,735 |
| Mar 25, 2026 | 13,390.00 | 14,250.00 | 12,660.00 | 13,550.00 | 13,550.00 | 2.81% | 5,871,152 |
| Mar 24, 2026 | 10,290.00 | 13,180.00 | 10,290.00 | 13,180.00 | 13,180.00 | 29.98% | 3,597,405 |
| Mar 23, 2026 | 9,990.00 | 10,450.00 | 9,720.00 | 10,140.00 | 10,140.00 | - | 159,899 |
| Mar 20, 2026 | 9,930.00 | 10,220.00 | 9,900.00 | 10,140.00 | 10,140.00 | 2.32% | 119,094 |
| Mar 19, 2026 | 9,680.00 | 10,190.00 | 9,550.00 | 9,910.00 | 9,910.00 | 0.10% | 111,947 |
| Mar 18, 2026 | 10,100.00 | 10,260.00 | 9,600.00 | 9,900.00 | 9,900.00 | -1.10% | 165,130 |
| Mar 17, 2026 | 9,940.00 | 10,620.00 | 9,800.00 | 10,010.00 | 10,010.00 | 2.35% | 439,317 |
| Mar 16, 2026 | 9,740.00 | 9,990.00 | 9,410.00 | 9,780.00 | 9,780.00 | 0.82% | 200,132 |
| Mar 13, 2026 | 9,440.00 | 9,750.00 | 9,070.00 | 9,700.00 | 9,700.00 | - | 276,040 |
| Mar 12, 2026 | 9,180.00 | 10,400.00 | 8,930.00 | 9,700.00 | 9,700.00 | 6.01% | 1,319,374 |
| Mar 11, 2026 | 8,500.00 | 9,370.00 | 8,490.00 | 9,150.00 | 9,150.00 | 8.03% | 252,721 |
| Mar 10, 2026 | 8,090.00 | 8,570.00 | 8,060.00 | 8,470.00 | 8,470.00 | 6.94% | 87,148 |
| Mar 9, 2026 | 8,100.00 | 8,200.00 | 7,670.00 | 7,920.00 | 7,920.00 | -6.71% | 104,613 |
| Mar 6, 2026 | 8,270.00 | 8,610.00 | 8,200.00 | 8,490.00 | 8,490.00 | 0.95% | 48,314 |
| Mar 5, 2026 | 7,970.00 | 8,570.00 | 7,970.00 | 8,410.00 | 8,410.00 | 10.22% | 94,674 |
| Mar 4, 2026 | 8,240.00 | 8,240.00 | 7,630.00 | 7,630.00 | 7,630.00 | -9.81% | 232,028 |
| Mar 3, 2026 | 8,780.00 | 9,120.00 | 8,450.00 | 8,460.00 | 8,460.00 | -4.41% | 156,580 |
| Feb 27, 2026 | 9,130.00 | 9,330.00 | 8,800.00 | 8,850.00 | 8,850.00 | -2.96% | 208,276 |
| Feb 26, 2026 | 9,400.00 | 9,500.00 | 8,940.00 | 9,120.00 | 9,120.00 | 0.66% | 220,442 |
| Feb 25, 2026 | 9,130.00 | 9,315.00 | 8,880.00 | 9,060.00 | 9,060.00 | 1.12% | 248,690 |
| Feb 24, 2026 | 8,860.00 | 9,690.00 | 8,750.00 | 8,960.00 | 8,960.00 | -0.78% | 713,918 |
| Feb 23, 2026 | 8,260.00 | 10,500.00 | 8,220.00 | 9,030.00 | 9,030.00 | 9.32% | 2,297,234 |
| Feb 20, 2026 | 8,230.00 | 8,400.00 | 8,160.00 | 8,260.00 | 8,260.00 | 0.49% | 32,274 |
| Feb 19, 2026 | 8,160.00 | 8,290.00 | 8,100.00 | 8,220.00 | 8,220.00 | 0.24% | 67,621 |
| Feb 13, 2026 | 8,300.00 | 8,300.00 | 8,120.00 | 8,200.00 | 8,200.00 | -1.68% | 50,741 |
| Feb 12, 2026 | 8,380.00 | 8,500.00 | 8,250.00 | 8,340.00 | 8,340.00 | 0.12% | 57,605 |
| Feb 11, 2026 | 8,600.00 | 8,640.00 | 8,320.00 | 8,330.00 | 8,330.00 | -1.42% | 44,702 |
| Feb 10, 2026 | 8,380.00 | 8,520.00 | 8,300.00 | 8,450.00 | 8,450.00 | 0.84% | 27,943 |
| Feb 9, 2026 | 8,280.00 | 8,520.00 | 8,240.00 | 8,380.00 | 8,380.00 | 2.20% | 69,857 |
| Feb 6, 2026 | 8,280.00 | 8,280.00 | 7,800.00 | 8,200.00 | 8,200.00 | -1.44% | 83,136 |
| Feb 5, 2026 | 8,480.00 | 8,500.00 | 8,240.00 | 8,320.00 | 8,320.00 | -3.03% | 52,162 |
| Feb 4, 2026 | 8,640.00 | 8,700.00 | 8,510.00 | 8,580.00 | 8,580.00 | -1.04% | 81,572 |
| Feb 3, 2026 | 8,370.00 | 8,670.00 | 8,240.00 | 8,670.00 | 8,670.00 | 6.25% | 110,895 |
| Feb 2, 2026 | 8,400.00 | 8,500.00 | 8,160.00 | 8,160.00 | 8,160.00 | -4.23% | 100,215 |
| Jan 30, 2026 | 8,750.00 | 8,750.00 | 8,330.00 | 8,520.00 | 8,520.00 | -0.35% | 124,376 |
| Jan 29, 2026 | 8,500.00 | 8,680.00 | 8,220.00 | 8,550.00 | 8,550.00 | 0.83% | 141,650 |
| Jan 28, 2026 | 8,390.00 | 8,860.00 | 8,300.00 | 8,480.00 | 8,480.00 | 3.16% | 140,029 |
| Jan 27, 2026 | 8,450.00 | 8,470.00 | 8,200.00 | 8,220.00 | 8,220.00 | -2.72% | 129,677 |
| Jan 26, 2026 | 8,500.00 | 8,560.00 | 8,300.00 | 8,450.00 | 8,450.00 | -0.47% | 161,172 |
| Jan 23, 2026 | 8,420.00 | 8,650.00 | 8,290.00 | 8,490.00 | 8,490.00 | 0.95% | 154,729 |
| Jan 22, 2026 | 8,660.00 | 8,910.00 | 8,410.00 | 8,410.00 | 8,410.00 | -2.55% | 286,357 |
| Jan 21, 2026 | 8,110.00 | 9,170.00 | 8,010.00 | 8,630.00 | 8,630.00 | 4.35% | 1,125,778 |
| Jan 20, 2026 | 8,440.00 | 8,470.00 | 8,100.00 | 8,270.00 | 8,270.00 | -2.01% | 346,442 |
| Jan 19, 2026 | 8,040.00 | 9,320.00 | 7,820.00 | 8,440.00 | 8,440.00 | 11.35% | 2,906,140 |
| Jan 16, 2026 | 7,640.00 | 7,690.00 | 7,500.00 | 7,580.00 | 7,580.00 | -0.52% | 41,824 |
| Jan 15, 2026 | 7,610.00 | 7,670.00 | 7,400.00 | 7,620.00 | 7,620.00 | 0.13% | 58,482 |
| Jan 14, 2026 | 7,740.00 | 7,800.00 | 7,590.00 | 7,610.00 | 7,610.00 | -1.42% | 28,954 |
| Jan 13, 2026 | 7,610.00 | 7,760.00 | 7,580.00 | 7,720.00 | 7,720.00 | 1.05% | 38,031 |
| Jan 12, 2026 | 7,640.00 | 7,780.00 | 7,610.00 | 7,640.00 | 7,640.00 | - | 64,849 |
| Jan 9, 2026 | 7,730.00 | 7,810.00 | 7,600.00 | 7,640.00 | 7,640.00 | -1.16% | 50,699 |
| Jan 8, 2026 | 7,760.00 | 7,890.00 | 7,580.00 | 7,730.00 | 7,730.00 | -0.26% | 62,799 |
| Jan 7, 2026 | 7,760.00 | 7,850.00 | 7,550.00 | 7,750.00 | 7,750.00 | 0.52% | 94,901 |
| Jan 6, 2026 | 7,680.00 | 7,830.00 | 7,590.00 | 7,710.00 | 7,710.00 | 0.52% | 42,892 |
| Jan 5, 2026 | 7,570.00 | 7,740.00 | 7,550.00 | 7,670.00 | 7,670.00 | 2.40% | 82,199 |
| Jan 2, 2026 | 7,430.00 | 7,650.00 | 7,340.00 | 7,490.00 | 7,490.00 | 0.94% | 86,359 |
| Dec 30, 2025 | 7,350.00 | 7,480.00 | 7,290.00 | 7,420.00 | 7,420.00 | 0.54% | 31,969 |
| Dec 29, 2025 | 7,170.00 | 7,400.00 | 7,150.00 | 7,380.00 | 7,380.00 | 3.07% | 40,229 |
| Dec 26, 2025 | 7,160.00 | 7,500.00 | 7,140.00 | 7,160.00 | 7,060.00 | -0.14% | 40,566 |
| Dec 24, 2025 | 7,210.00 | 7,410.00 | 7,140.00 | 7,170.00 | 7,069.86 | -0.83% | 24,668 |
| Dec 23, 2025 | 7,370.00 | 7,560.00 | 7,200.00 | 7,230.00 | 7,129.02 | -1.63% | 25,874 |
| Dec 22, 2025 | 7,240.00 | 7,450.00 | 7,240.00 | 7,350.00 | 7,247.35 | 1.24% | 27,983 |
| Dec 19, 2025 | 7,180.00 | 7,260.00 | 7,100.00 | 7,260.00 | 7,158.60 | 0.97% | 24,154 |
| Dec 18, 2025 | 7,090.00 | 7,240.00 | 7,050.00 | 7,190.00 | 7,089.58 | -0.14% | 17,259 |
| Dec 17, 2025 | 7,300.00 | 7,310.00 | 7,170.00 | 7,200.00 | 7,099.44 | 0.14% | 24,841 |
| Dec 16, 2025 | 7,410.00 | 7,460.00 | 7,190.00 | 7,190.00 | 7,089.58 | -3.10% | 40,949 |
| Dec 15, 2025 | 7,490.00 | 7,530.00 | 7,400.00 | 7,420.00 | 7,316.37 | -2.11% | 20,268 |
| Dec 12, 2025 | 7,520.00 | 7,610.00 | 7,520.00 | 7,580.00 | 7,474.13 | 0.80% | 42,551 |
| Dec 11, 2025 | 7,430.00 | 7,540.00 | 7,380.00 | 7,520.00 | 7,414.97 | 1.21% | 21,093 |
| Dec 10, 2025 | 7,520.00 | 7,660.00 | 7,350.00 | 7,430.00 | 7,326.23 | -1.20% | 24,660 |
| Dec 9, 2025 | 7,600.00 | 7,700.00 | 7,430.00 | 7,520.00 | 7,414.97 | -1.05% | 31,528 |
| Dec 8, 2025 | 7,420.00 | 7,600.00 | 7,370.00 | 7,600.00 | 7,493.85 | 2.01% | 26,093 |
| Dec 5, 2025 | 7,540.00 | 7,540.00 | 7,350.00 | 7,450.00 | 7,345.95 | - | 25,559 |
| Dec 4, 2025 | 7,560.00 | 7,570.00 | 7,420.00 | 7,450.00 | 7,345.95 | -1.46% | 18,747 |
| Dec 3, 2025 | 7,550.00 | 7,610.00 | 7,500.00 | 7,560.00 | 7,454.41 | 0.13% | 22,142 |
| Dec 2, 2025 | 7,430.00 | 7,580.00 | 7,420.00 | 7,550.00 | 7,444.55 | 1.34% | 22,560 |