Q.S.I Co., LTD. (KOSDAQ:066310)
7,910.00
+500.00 (6.75%)
Jun 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 |
|---|---|---|---|---|---|---|---|
| Jun 29, 2026 | 7,240.00 | 7,970.00 | 7,240.00 | 7,910.00 | 7,910.00 | 6.75% | 96,298 |
| Jun 26, 2026 | 7,760.00 | 7,880.00 | 7,270.00 | 7,410.00 | 7,410.00 | -5.96% | 103,990 |
| Jun 25, 2026 | 8,260.00 | 8,600.00 | 7,800.00 | 7,880.00 | 7,880.00 | -4.60% | 76,224 |
| Jun 24, 2026 | 8,050.00 | 8,650.00 | 8,050.00 | 8,260.00 | 8,260.00 | 2.61% | 111,750 |
| Jun 23, 2026 | 8,990.00 | 9,000.00 | 8,040.00 | 8,050.00 | 8,050.00 | -10.06% | 242,388 |
| Jun 22, 2026 | 8,670.00 | 9,260.00 | 8,670.00 | 8,950.00 | 8,950.00 | -1.76% | 122,286 |
| Jun 19, 2026 | 9,580.00 | 9,650.00 | 8,850.00 | 9,110.00 | 9,110.00 | -4.91% | 130,276 |
| Jun 18, 2026 | 9,770.00 | 9,840.00 | 9,450.00 | 9,580.00 | 9,580.00 | -1.74% | 78,238 |
| Jun 17, 2026 | 9,730.00 | 9,840.00 | 9,510.00 | 9,750.00 | 9,750.00 | 1.04% | 88,593 |
| Jun 16, 2026 | 9,900.00 | 10,220.00 | 9,650.00 | 9,650.00 | 9,650.00 | -1.63% | 113,306 |
| Jun 15, 2026 | 10,170.00 | 10,470.00 | 9,700.00 | 9,810.00 | 9,810.00 | -1.90% | 115,952 |
| Jun 12, 2026 | 9,900.00 | 10,200.00 | 9,820.00 | 10,000.00 | 10,000.00 | 3.52% | 123,152 |
| Jun 11, 2026 | 9,300.00 | 9,690.00 | 9,130.00 | 9,660.00 | 9,660.00 | 2.22% | 88,702 |
| Jun 10, 2026 | 9,590.00 | 9,850.00 | 9,300.00 | 9,450.00 | 9,450.00 | -3.67% | 129,085 |
| Jun 9, 2026 | 9,190.00 | 10,140.00 | 9,190.00 | 9,810.00 | 9,810.00 | 7.57% | 185,519 |
| Jun 8, 2026 | 9,300.00 | 9,730.00 | 9,120.00 | 9,120.00 | 9,120.00 | -9.52% | 208,855 |
| Jun 5, 2026 | 10,220.00 | 10,380.00 | 9,910.00 | 10,080.00 | 10,080.00 | -5.00% | 138,790 |
| Jun 4, 2026 | 10,540.00 | 11,430.00 | 10,540.00 | 10,610.00 | 10,610.00 | -0.93% | 157,502 |
| Jun 2, 2026 | 11,150.00 | 11,260.00 | 10,550.00 | 10,710.00 | 10,710.00 | -4.03% | 162,827 |
| Jun 1, 2026 | 11,760.00 | 11,870.00 | 10,780.00 | 11,160.00 | 11,160.00 | -6.45% | 321,279 |
| May 29, 2026 | 12,650.00 | 12,740.00 | 11,900.00 | 11,930.00 | 11,930.00 | -4.64% | 205,176 |
| May 28, 2026 | 13,680.00 | 13,690.00 | 11,900.00 | 12,510.00 | 12,510.00 | -8.49% | 373,005 |
| May 27, 2026 | 15,570.00 | 15,570.00 | 13,650.00 | 13,670.00 | 13,670.00 | -12.76% | 535,522 |
| May 26, 2026 | 14,430.00 | 16,140.00 | 14,330.00 | 15,670.00 | 15,670.00 | 11.93% | 1,220,266 |
| May 22, 2026 | 14,770.00 | 14,980.00 | 13,590.00 | 14,000.00 | 14,000.00 | 11.38% | 844,955 |
| May 21, 2026 | 12,200.00 | 13,070.00 | 12,150.00 | 12,570.00 | 12,570.00 | 5.63% | 210,981 |
| May 20, 2026 | 12,400.00 | 12,720.00 | 11,520.00 | 11,900.00 | 11,900.00 | -4.03% | 239,616 |
| May 19, 2026 | 12,500.00 | 12,880.00 | 11,960.00 | 12,400.00 | 12,400.00 | -0.96% | 235,707 |
| May 18, 2026 | 12,440.00 | 12,910.00 | 11,760.00 | 12,520.00 | 12,520.00 | -2.57% | 208,455 |
| May 15, 2026 | 13,540.00 | 13,750.00 | 12,700.00 | 12,850.00 | 12,850.00 | -5.03% | 350,899 |
| May 14, 2026 | 13,980.00 | 14,250.00 | 12,930.00 | 13,530.00 | 13,530.00 | -3.70% | 302,344 |
| May 13, 2026 | 14,160.00 | 14,560.00 | 13,770.00 | 14,050.00 | 14,050.00 | -0.92% | 263,692 |
| May 12, 2026 | 15,500.00 | 16,070.00 | 13,690.00 | 14,180.00 | 14,180.00 | -5.47% | 592,716 |
| May 11, 2026 | 15,110.00 | 16,220.00 | 14,990.00 | 15,000.00 | 15,000.00 | 0.13% | 648,151 |
| May 8, 2026 | 15,520.00 | 16,280.00 | 14,610.00 | 14,980.00 | 14,980.00 | -3.60% | 542,381 |
| May 7, 2026 | 16,470.00 | 16,840.00 | 14,850.00 | 15,540.00 | 15,540.00 | -4.66% | 707,112 |
| May 6, 2026 | 15,710.00 | 17,170.00 | 15,590.00 | 16,300.00 | 16,300.00 | 4.09% | 1,444,363 |
| May 4, 2026 | 16,100.00 | 16,440.00 | 15,340.00 | 15,660.00 | 15,660.00 | 2.09% | 909,459 |
| Apr 30, 2026 | 15,170.00 | 16,390.00 | 15,000.00 | 15,340.00 | 15,340.00 | 1.12% | 1,179,627 |
| Apr 29, 2026 | 14,760.00 | 15,170.00 | 14,320.00 | 15,170.00 | 15,170.00 | 2.78% | 345,986 |
| Apr 28, 2026 | 15,190.00 | 15,200.00 | 14,180.00 | 14,760.00 | 14,760.00 | -1.14% | 419,400 |
| Apr 27, 2026 | 14,180.00 | 15,250.00 | 14,170.00 | 14,930.00 | 14,930.00 | 5.36% | 742,187 |
| Apr 24, 2026 | 14,300.00 | 14,560.00 | 14,020.00 | 14,170.00 | 14,170.00 | -0.91% | 445,372 |
| Apr 23, 2026 | 14,900.00 | 15,160.00 | 14,000.00 | 14,300.00 | 14,300.00 | -3.70% | 623,701 |
| Apr 22, 2026 | 15,300.00 | 15,300.00 | 14,500.00 | 14,850.00 | 14,850.00 | -3.51% | 677,182 |
| 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% | 4,887,155 |
| Apr 17, 2026 | 17,000.00 | 17,200.00 | 15,330.00 | 16,480.00 | 16,480.00 | -7.78% | 3,337,376 |
| Apr 16, 2026 | 20,500.00 | 22,750.00 | 17,510.00 | 17,870.00 | 17,870.00 | 2.06% | 13,317,030 |
| Apr 15, 2026 | 14,100.00 | 17,510.00 | 13,740.00 | 17,510.00 | 17,510.00 | 29.99% | 5,023,536 |