Korea Electronic Certification Authority Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-19 | 3,115.00 | 3,270.00 | 3,115.00 | 3,205.00 | 3,205.00 | 12,623 |
| 2026-10-16 | 3,110.00 | 3,230.00 | 3,110.00 | 3,225.00 | 3,225.00 | 25,340 |
| 2026-10-15 | 3,175.00 | 3,175.00 | 3,050.00 | 3,140.00 | 3,140.00 | 36,386 |
| 2026-10-14 | 3,150.00 | 3,235.00 | 3,085.00 | 3,145.00 | 3,145.00 | 30,467 |
| 2026-10-13 | 3,170.00 | 3,170.00 | 3,070.00 | 3,150.00 | 3,150.00 | 36,069 |
| 2026-10-12 | 3,320.00 | 3,320.00 | 3,170.00 | 3,180.00 | 3,180.00 | 51,315 |
| 2026-10-08 | 3,365.00 | 3,375.00 | 3,280.00 | 3,320.00 | 3,320.00 | 28,958 |
| 2026-10-07 | 3,445.00 | 3,445.00 | 3,350.00 | 3,365.00 | 3,365.00 | 40,024 |
| 2026-10-06 | 3,465.00 | 3,550.00 | 3,325.00 | 3,425.00 | 3,425.00 | 110,280 |
| 2026-10-02 | 3,295.00 | 3,345.00 | 3,275.00 | 3,305.00 | 3,305.00 | 25,182 |
| 2026-10-01 | 3,300.00 | 3,310.00 | 3,250.00 | 3,310.00 | 3,310.00 | 15,262 |
| 2026-09-30 | 3,265.00 | 3,320.00 | 3,240.00 | 3,300.00 | 3,300.00 | 13,587 |
| 2026-09-29 | 3,340.00 | 3,340.00 | 3,275.00 | 3,280.00 | 3,280.00 | 19,865 |
| 2026-09-28 | 3,380.00 | 3,380.00 | 3,265.00 | 3,325.00 | 3,325.00 | 33,531 |
| 2026-09-23 | 3,355.00 | 3,400.00 | 3,335.00 | 3,380.00 | 3,380.00 | 12,720 |
| 2026-09-22 | 3,400.00 | 3,420.00 | 3,360.00 | 3,380.00 | 3,380.00 | 17,741 |
| 2026-09-21 | 3,435.00 | 3,465.00 | 3,385.00 | 3,390.00 | 3,390.00 | 30,128 |
| 2026-09-18 | 3,450.00 | 3,495.00 | 3,435.00 | 3,470.00 | 3,470.00 | 23,384 |
| 2026-09-17 | 3,440.00 | 3,460.00 | 3,395.00 | 3,445.00 | 3,445.00 | 26,400 |
| 2026-09-16 | 3,460.00 | 3,545.00 | 3,395.00 | 3,445.00 | 3,445.00 | 37,129 |
| 2026-09-15 | 3,470.00 | 3,800.00 | 3,430.00 | 3,485.00 | 3,485.00 | 352,218 |
| 2026-09-14 | 3,475.00 | 3,550.00 | 3,440.00 | 3,465.00 | 3,465.00 | 41,103 |
| 2026-09-11 | 3,485.00 | 3,570.00 | 3,450.00 | 3,475.00 | 3,475.00 | 33,797 |
| 2026-09-10 | 3,520.00 | 3,520.00 | 3,445.00 | 3,470.00 | 3,470.00 | 26,079 |
| 2026-09-09 | 3,525.00 | 3,540.00 | 3,450.00 | 3,520.00 | 3,520.00 | 27,059 |
| 2026-09-08 | 3,540.00 | 3,545.00 | 3,410.00 | 3,530.00 | 3,530.00 | 24,017 |
| 2026-09-07 | 3,545.00 | 3,570.00 | 3,495.00 | 3,545.00 | 3,545.00 | 25,995 |
| 2026-09-04 | 3,500.00 | 3,575.00 | 3,500.00 | 3,560.00 | 3,560.00 | 25,371 |
| 2026-09-03 | 3,530.00 | 3,535.00 | 3,430.00 | 3,480.00 | 3,480.00 | 29,821 |
| 2026-09-02 | 3,585.00 | 3,585.00 | 3,470.00 | 3,525.00 | 3,525.00 | 9,781 |
| 2026-09-01 | 3,590.00 | 3,600.00 | 3,540.00 | 3,585.00 | 3,585.00 | 10,900 |
| 2026-08-31 | 3,580.00 | 3,600.00 | 3,515.00 | 3,590.00 | 3,590.00 | 55,914 |
| 2026-08-28 | 3,515.00 | 3,665.00 | 3,475.00 | 3,585.00 | 3,585.00 | 97,738 |
| 2026-08-27 | 3,575.00 | 3,580.00 | 3,465.00 | 3,515.00 | 3,515.00 | 37,633 |
| 2026-08-26 | 3,605.00 | 3,605.00 | 3,530.00 | 3,575.00 | 3,575.00 | 25,025 |
| 2026-08-25 | 3,465.00 | 3,600.00 | 3,445.00 | 3,600.00 | 3,600.00 | 55,730 |
| 2026-08-24 | 3,380.00 | 3,490.00 | 3,365.00 | 3,490.00 | 3,490.00 | 59,692 |
| 2026-08-21 | 3,385.00 | 3,400.00 | 3,285.00 | 3,375.00 | 3,375.00 | 32,502 |
| 2026-08-20 | 3,305.00 | 3,410.00 | 3,305.00 | 3,380.00 | 3,380.00 | 31,145 |
| 2026-08-19 | 3,315.00 | 3,375.00 | 3,270.00 | 3,285.00 | 3,285.00 | 40,152 |
| 2026-08-18 | 3,425.00 | 3,435.00 | 3,325.00 | 3,350.00 | 3,350.00 | 75,821 |
| 2026-08-14 | 3,420.00 | 3,445.00 | 3,355.00 | 3,405.00 | 3,405.00 | 21,741 |
| 2026-08-13 | 3,440.00 | 3,505.00 | 3,395.00 | 3,420.00 | 3,420.00 | 31,811 |
| 2026-08-12 | 3,530.00 | 3,530.00 | 3,400.00 | 3,470.00 | 3,470.00 | 52,986 |
| 2026-08-11 | 3,410.00 | 3,500.00 | 3,410.00 | 3,480.00 | 3,480.00 | 22,710 |
| 2026-08-10 | 3,405.00 | 3,450.00 | 3,385.00 | 3,450.00 | 3,450.00 | 14,621 |
| 2026-08-07 | 3,365.00 | 3,400.00 | 3,320.00 | 3,400.00 | 3,400.00 | 24,780 |
| 2026-08-06 | 3,360.00 | 3,365.00 | 3,260.00 | 3,360.00 | 3,360.00 | 22,782 |
| 2026-08-05 | 3,355.00 | 3,400.00 | 3,300.00 | 3,360.00 | 3,360.00 | 26,319 |
| 2026-08-04 | 3,200.00 | 3,340.00 | 3,200.00 | 3,335.00 | 3,335.00 | 31,717 |
| 2026-08-03 | 3,280.00 | 3,320.00 | 3,205.00 | 3,250.00 | 3,250.00 | 25,616 |
| 2026-07-31 | 3,225.00 | 3,400.00 | 3,225.00 | 3,280.00 | 3,280.00 | 34,935 |
| 2026-07-30 | 2,990.00 | 3,350.00 | 2,990.00 | 3,200.00 | 3,200.00 | 91,437 |
| 2026-07-29 | 3,275.00 | 3,420.00 | 3,080.00 | 3,140.00 | 3,140.00 | 184,916 |
| 2026-07-28 | 3,490.00 | 3,495.00 | 3,275.00 | 3,310.00 | 3,310.00 | 118,323 |
| 2026-07-27 | 3,410.00 | 3,515.00 | 3,385.00 | 3,490.00 | 3,490.00 | 61,631 |
| 2026-07-24 | 3,430.00 | 3,500.00 | 3,315.00 | 3,400.00 | 3,400.00 | 33,148 |
| 2026-07-23 | 3,400.00 | 3,485.00 | 3,370.00 | 3,455.00 | 3,455.00 | 88,194 |
| 2026-07-22 | 3,405.00 | 3,495.00 | 3,375.00 | 3,425.00 | 3,425.00 | 82,380 |
| 2026-07-21 | 3,365.00 | 3,445.00 | 3,355.00 | 3,395.00 | 3,395.00 | 60,361 |
Page 1 of 21 · 1,226 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2025-12-29 | 96.0000 KRW |
| 2024-12-27 | 70.0000 KRW |
| 2023-12-27 | 70.0000 KRW |
| 2022-12-28 | 70.0000 KRW |
| 2021-12-29 | 70.0000 KRW |
| 2020-12-29 | 61.0000 KRW |
| 2019-12-27 | 46.0000 KRW |
Open, high, low and close are as traded (KRW). Adjusted close accounts for splits and dividends. Educational only, not financial advice.