Q.S.I Co. LTD historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-21 | 16,780.00 | 17,010.00 | 14,710.00 | 15,390.00 | 15,390.00 | 1,529,235 |
| 2026-04-20 | 16,340.00 | 19,430.00 | 15,600.00 | 16,760.00 | 16,760.00 | 4,887,155 |
| 2026-04-17 | 17,000.00 | 17,200.00 | 15,330.00 | 16,480.00 | 16,480.00 | 3,337,376 |
| 2026-04-16 | 20,500.00 | 22,750.00 | 17,510.00 | 17,870.00 | 17,870.00 | 13,317,030 |
| 2026-04-15 | 14,100.00 | 17,510.00 | 13,740.00 | 17,510.00 | 17,510.00 | 5,023,536 |
| 2026-04-14 | 14,470.00 | 14,470.00 | 13,000.00 | 13,470.00 | 13,470.00 | 1,802,769 |
| 2026-04-13 | 11,850.00 | 13,810.00 | 11,780.00 | 13,500.00 | 13,500.00 | 2,032,099 |
| 2026-04-10 | 12,300.00 | 12,860.00 | 12,090.00 | 12,220.00 | 12,220.00 | 1,384,664 |
| 2026-04-09 | 12,380.00 | 12,500.00 | 11,500.00 | 11,740.00 | 11,740.00 | 478,498 |
| 2026-04-08 | 11,100.00 | 12,400.00 | 11,100.00 | 12,350.00 | 12,350.00 | 1,298,469 |
| 2026-04-07 | 11,430.00 | 11,430.00 | 10,480.00 | 10,710.00 | 10,710.00 | 283,855 |
| 2026-04-06 | 12,120.00 | 12,320.00 | 11,160.00 | 11,230.00 | 11,230.00 | 828,300 |
| 2026-04-03 | 10,930.00 | 11,400.00 | 10,640.00 | 10,960.00 | 10,960.00 | 265,950 |
| 2026-04-02 | 11,410.00 | 11,630.00 | 10,500.00 | 10,660.00 | 10,660.00 | 376,726 |
| 2026-04-01 | 11,000.00 | 11,630.00 | 10,930.00 | 11,410.00 | 11,410.00 | 577,566 |
| 2026-03-31 | 10,840.00 | 10,960.00 | 10,240.00 | 10,630.00 | 10,630.00 | 368,016 |
| 2026-03-30 | 11,190.00 | 11,800.00 | 10,750.00 | 11,120.00 | 11,120.00 | 523,285 |
| 2026-03-27 | 11,820.00 | 12,500.00 | 11,140.00 | 11,830.00 | 11,830.00 | 1,166,080 |
| 2026-03-26 | 13,380.00 | 13,380.00 | 11,830.00 | 11,830.00 | 11,830.00 | 1,328,374 |
| 2026-03-25 | 13,390.00 | 14,250.00 | 12,660.00 | 13,550.00 | 13,550.00 | 5,911,509 |
| 2026-03-24 | 10,290.00 | 13,180.00 | 10,290.00 | 13,180.00 | 13,180.00 | 3,598,419 |
| 2026-03-23 | 9,990.00 | 10,450.00 | 9,720.00 | 10,140.00 | 10,140.00 | 161,534 |
| 2026-03-20 | 9,930.00 | 10,220.00 | 9,900.00 | 10,140.00 | 10,140.00 | 121,492 |
| 2026-03-19 | 9,680.00 | 10,190.00 | 9,550.00 | 9,910.00 | 9,910.00 | 112,769 |
| 2026-03-18 | 10,100.00 | 10,260.00 | 9,600.00 | 9,900.00 | 9,900.00 | 166,359 |
| 2026-03-17 | 9,940.00 | 10,620.00 | 9,800.00 | 10,010.00 | 10,010.00 | 439,981 |
| 2026-03-16 | 9,740.00 | 9,990.00 | 9,410.00 | 9,780.00 | 9,780.00 | 200,132 |
| 2026-03-13 | 9,440.00 | 9,750.00 | 9,070.00 | 9,700.00 | 9,700.00 | 298,258 |
| 2026-03-12 | 9,180.00 | 10,400.00 | 8,930.00 | 9,700.00 | 9,700.00 | 1,325,436 |
| 2026-03-11 | 8,500.00 | 9,370.00 | 8,490.00 | 9,150.00 | 9,150.00 | 253,228 |
| 2026-03-10 | 8,090.00 | 8,570.00 | 8,060.00 | 8,470.00 | 8,470.00 | 87,150 |
| 2026-03-09 | 8,100.00 | 8,200.00 | 7,670.00 | 7,920.00 | 7,920.00 | 104,712 |
| 2026-03-06 | 8,270.00 | 8,610.00 | 8,200.00 | 8,490.00 | 8,490.00 | 48,319 |
| 2026-03-05 | 7,970.00 | 8,570.00 | 7,970.00 | 8,410.00 | 8,410.00 | 95,025 |
| 2026-03-04 | 8,240.00 | 8,240.00 | 7,630.00 | 7,630.00 | 7,630.00 | 232,902 |
| 2026-03-03 | 8,780.00 | 9,120.00 | 8,450.00 | 8,460.00 | 8,460.00 | 157,076 |
| 2026-02-27 | 9,130.00 | 9,330.00 | 8,800.00 | 8,850.00 | 8,850.00 | 208,800 |
| 2026-02-26 | 9,400.00 | 9,500.00 | 8,940.00 | 9,120.00 | 9,120.00 | 220,442 |
| 2026-02-25 | 9,130.00 | 9,315.00 | 8,880.00 | 9,060.00 | 9,060.00 | 252,410 |
| 2026-02-24 | 8,860.00 | 9,690.00 | 8,750.00 | 8,960.00 | 8,960.00 | 716,818 |
| 2026-02-23 | 8,260.00 | 10,500.00 | 8,220.00 | 9,030.00 | 9,030.00 | 2,297,234 |
| 2026-02-20 | 8,230.00 | 8,400.00 | 8,160.00 | 8,260.00 | 8,260.00 | 32,274 |
| 2026-02-19 | 8,160.00 | 8,290.00 | 8,100.00 | 8,220.00 | 8,220.00 | 67,621 |
| 2026-02-13 | 8,300.00 | 8,300.00 | 8,120.00 | 8,200.00 | 8,200.00 | 50,741 |
| 2026-02-12 | 8,380.00 | 8,500.00 | 8,250.00 | 8,340.00 | 8,340.00 | 57,651 |
| 2026-02-11 | 8,600.00 | 8,640.00 | 8,320.00 | 8,330.00 | 8,330.00 | 45,066 |
| 2026-02-10 | 8,380.00 | 8,520.00 | 8,300.00 | 8,450.00 | 8,450.00 | 29,200 |
| 2026-02-09 | 8,280.00 | 8,520.00 | 8,240.00 | 8,380.00 | 8,380.00 | 69,857 |
| 2026-02-06 | 8,280.00 | 8,280.00 | 7,800.00 | 8,200.00 | 8,200.00 | 83,619 |
| 2026-02-05 | 8,480.00 | 8,500.00 | 8,240.00 | 8,320.00 | 8,320.00 | 52,288 |
| 2026-02-04 | 8,640.00 | 8,700.00 | 8,510.00 | 8,580.00 | 8,580.00 | 81,635 |
| 2026-02-03 | 8,370.00 | 8,670.00 | 8,240.00 | 8,670.00 | 8,670.00 | 112,505 |
| 2026-02-02 | 8,400.00 | 8,500.00 | 8,160.00 | 8,160.00 | 8,160.00 | 100,895 |
| 2026-01-30 | 8,750.00 | 8,750.00 | 8,330.00 | 8,520.00 | 8,520.00 | 124,949 |
| 2026-01-29 | 8,500.00 | 8,680.00 | 8,220.00 | 8,550.00 | 8,550.00 | 143,599 |
| 2026-01-28 | 8,390.00 | 8,860.00 | 8,300.00 | 8,480.00 | 8,480.00 | 140,366 |
| 2026-01-27 | 8,450.00 | 8,470.00 | 8,200.00 | 8,220.00 | 8,220.00 | 130,542 |
| 2026-01-26 | 8,500.00 | 8,560.00 | 8,300.00 | 8,450.00 | 8,450.00 | 161,172 |
| 2026-01-23 | 8,420.00 | 8,650.00 | 8,290.00 | 8,490.00 | 8,490.00 | 155,279 |
| 2026-01-22 | 8,660.00 | 8,910.00 | 8,410.00 | 8,410.00 | 8,410.00 | 286,935 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2025-12-29 | 100.0000 KRW |
| 2024-12-27 | 100.0000 KRW |
| 2023-12-27 | 100.0000 KRW |
| 2022-12-28 | 100.0000 KRW |
| 2021-12-29 | 100.0000 KRW |
| 2020-12-29 | 50.0000 KRW |
| 2019-12-27 | 50.0000 KRW |
Open, high, low and close are as traded (KRW). Adjusted close accounts for splits and dividends. Educational only, not financial advice.