Korea Electronic Certification Authority Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-20 | 3,465.00 | 3,470.00 | 3,320.00 | 3,400.00 | 3,400.00 | 51,503 |
| 2026-07-16 | 3,465.00 | 3,540.00 | 3,465.00 | 3,465.00 | 3,465.00 | 94,441 |
| 2026-07-15 | 3,445.00 | 3,580.00 | 3,445.00 | 3,490.00 | 3,490.00 | 69,803 |
| 2026-07-14 | 3,425.00 | 3,560.00 | 3,385.00 | 3,425.00 | 3,425.00 | 291,209 |
| 2026-07-13 | 3,495.00 | 3,550.00 | 3,330.00 | 3,390.00 | 3,390.00 | 93,413 |
| 2026-07-10 | 3,335.00 | 3,535.00 | 3,335.00 | 3,495.00 | 3,495.00 | 79,843 |
| 2026-07-09 | 3,325.00 | 3,440.00 | 3,300.00 | 3,345.00 | 3,345.00 | 100,767 |
| 2026-07-08 | 3,330.00 | 3,415.00 | 3,200.00 | 3,325.00 | 3,325.00 | 113,128 |
| 2026-07-07 | 3,575.00 | 3,610.00 | 3,305.00 | 3,335.00 | 3,335.00 | 169,674 |
| 2026-07-06 | 3,685.00 | 3,750.00 | 3,595.00 | 3,595.00 | 3,595.00 | 72,354 |
| 2026-07-03 | 3,620.00 | 3,685.00 | 3,550.00 | 3,685.00 | 3,685.00 | 100,980 |
| 2026-07-02 | 3,600.00 | 3,690.00 | 3,535.00 | 3,620.00 | 3,620.00 | 89,843 |
| 2026-07-01 | 3,565.00 | 3,670.00 | 3,515.00 | 3,600.00 | 3,600.00 | 109,897 |
| 2026-06-30 | 3,565.00 | 3,600.00 | 3,460.00 | 3,565.00 | 3,565.00 | 66,404 |
| 2026-06-29 | 3,260.00 | 3,580.00 | 3,260.00 | 3,565.00 | 3,565.00 | 82,987 |
| 2026-06-26 | 3,385.00 | 3,515.00 | 3,250.00 | 3,275.00 | 3,275.00 | 151,697 |
| 2026-06-25 | 3,510.00 | 3,615.00 | 3,335.00 | 3,385.00 | 3,385.00 | 85,096 |
| 2026-06-24 | 3,215.00 | 3,530.00 | 3,215.00 | 3,510.00 | 3,510.00 | 245,431 |
| 2026-06-23 | 3,395.00 | 3,395.00 | 3,190.00 | 3,215.00 | 3,215.00 | 91,811 |
| 2026-06-22 | 3,315.00 | 3,415.00 | 3,230.00 | 3,395.00 | 3,395.00 | 71,032 |
| 2026-06-19 | 3,390.00 | 3,425.00 | 3,200.00 | 3,365.00 | 3,365.00 | 88,596 |
| 2026-06-18 | 3,490.00 | 3,495.00 | 3,395.00 | 3,420.00 | 3,420.00 | 41,671 |
| 2026-06-17 | 3,440.00 | 3,500.00 | 3,380.00 | 3,495.00 | 3,495.00 | 31,500 |
| 2026-06-16 | 3,500.00 | 3,505.00 | 3,390.00 | 3,440.00 | 3,440.00 | 56,384 |
| 2026-06-15 | 3,470.00 | 3,550.00 | 3,400.00 | 3,470.00 | 3,470.00 | 66,736 |
| 2026-06-12 | 3,405.00 | 3,550.00 | 3,345.00 | 3,455.00 | 3,455.00 | 160,680 |
| 2026-06-11 | 3,085.00 | 3,225.00 | 3,030.00 | 3,195.00 | 3,195.00 | 52,083 |
| 2026-06-10 | 3,160.00 | 3,175.00 | 3,045.00 | 3,085.00 | 3,085.00 | 50,638 |
| 2026-06-09 | 2,990.00 | 3,160.00 | 2,990.00 | 3,160.00 | 3,160.00 | 57,979 |
| 2026-06-08 | 3,090.00 | 3,195.00 | 3,000.00 | 3,000.00 | 3,000.00 | 126,498 |
| 2026-06-05 | 3,245.00 | 3,285.00 | 3,170.00 | 3,215.00 | 3,215.00 | 70,076 |
| 2026-06-04 | 3,235.00 | 3,350.00 | 3,225.00 | 3,275.00 | 3,275.00 | 49,838 |
| 2026-06-02 | 3,315.00 | 3,350.00 | 3,245.00 | 3,305.00 | 3,305.00 | 142,944 |
| 2026-06-01 | 3,475.00 | 3,480.00 | 3,340.00 | 3,360.00 | 3,360.00 | 110,162 |
| 2026-05-29 | 3,530.00 | 3,575.00 | 3,400.00 | 3,475.00 | 3,475.00 | 97,941 |
| 2026-05-28 | 3,685.00 | 3,685.00 | 3,470.00 | 3,530.00 | 3,530.00 | 106,867 |
| 2026-05-27 | 3,750.00 | 3,770.00 | 3,600.00 | 3,690.00 | 3,690.00 | 103,312 |
| 2026-05-26 | 3,775.00 | 3,835.00 | 3,745.00 | 3,770.00 | 3,770.00 | 117,245 |
| 2026-05-22 | 3,745.00 | 3,825.00 | 3,700.00 | 3,770.00 | 3,770.00 | 95,426 |
| 2026-05-21 | 3,610.00 | 3,725.00 | 3,610.00 | 3,680.00 | 3,680.00 | 71,519 |
| 2026-05-20 | 3,670.00 | 3,745.00 | 3,540.00 | 3,600.00 | 3,600.00 | 130,883 |
| 2026-05-19 | 3,720.00 | 3,800.00 | 3,650.00 | 3,675.00 | 3,675.00 | 103,195 |
| 2026-05-18 | 3,775.00 | 3,880.00 | 3,645.00 | 3,755.00 | 3,755.00 | 88,369 |
| 2026-05-15 | 3,855.00 | 3,880.00 | 3,715.00 | 3,775.00 | 3,775.00 | 125,854 |
| 2026-05-14 | 3,860.00 | 3,925.00 | 3,820.00 | 3,845.00 | 3,845.00 | 83,741 |
| 2026-05-13 | 3,840.00 | 3,925.00 | 3,825.00 | 3,860.00 | 3,860.00 | 103,469 |
| 2026-05-12 | 3,975.00 | 4,025.00 | 3,855.00 | 3,895.00 | 3,895.00 | 170,420 |
| 2026-05-11 | 4,135.00 | 4,135.00 | 3,860.00 | 4,000.00 | 4,000.00 | 201,404 |
| 2026-05-08 | 4,120.00 | 4,160.00 | 4,105.00 | 4,150.00 | 4,150.00 | 78,460 |
| 2026-05-07 | 4,150.00 | 4,230.00 | 4,090.00 | 4,160.00 | 4,160.00 | 151,987 |
| 2026-05-06 | 4,195.00 | 4,195.00 | 4,115.00 | 4,150.00 | 4,150.00 | 169,549 |
| 2026-05-04 | 4,205.00 | 4,265.00 | 4,175.00 | 4,195.00 | 4,195.00 | 83,067 |
| 2026-04-30 | 4,265.00 | 4,265.00 | 4,165.00 | 4,175.00 | 4,175.00 | 113,465 |
| 2026-04-29 | 4,260.00 | 4,290.00 | 4,215.00 | 4,255.00 | 4,255.00 | 77,358 |
| 2026-04-28 | 4,300.00 | 4,305.00 | 4,215.00 | 4,260.00 | 4,260.00 | 123,903 |
| 2026-04-27 | 4,250.00 | 4,325.00 | 4,225.00 | 4,300.00 | 4,300.00 | 237,280 |
| 2026-04-24 | 4,205.00 | 4,275.00 | 4,200.00 | 4,240.00 | 4,240.00 | 119,223 |
| 2026-04-23 | 4,310.00 | 4,340.00 | 4,175.00 | 4,260.00 | 4,260.00 | 175,423 |
| 2026-04-22 | 4,395.00 | 4,405.00 | 4,280.00 | 4,310.00 | 4,310.00 | 199,810 |
| 2026-04-21 | 4,485.00 | 4,500.00 | 4,385.00 | 4,390.00 | 4,390.00 | 370,703 |
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.