Korea Electronic Certification Authority Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-23 | 3,770.00 | 3,820.00 | 3,730.00 | 3,770.00 | 3,701.01 | 48,945 |
| 2025-10-22 | 3,790.00 | 3,790.00 | 3,695.00 | 3,770.00 | 3,701.01 | 72,929 |
| 2025-10-21 | 3,775.00 | 3,865.00 | 3,760.00 | 3,780.00 | 3,710.82 | 93,280 |
| 2025-10-20 | 3,735.00 | 3,775.00 | 3,690.00 | 3,775.00 | 3,705.92 | 68,344 |
| 2025-10-17 | 3,850.00 | 3,860.00 | 3,730.00 | 3,735.00 | 3,666.65 | 171,104 |
| 2025-10-16 | 3,900.00 | 3,950.00 | 3,840.00 | 3,850.00 | 3,779.54 | 109,519 |
| 2025-10-15 | 3,860.00 | 3,920.00 | 3,855.00 | 3,915.00 | 3,843.35 | 53,421 |
| 2025-10-14 | 3,850.00 | 3,975.00 | 3,810.00 | 3,865.00 | 3,794.27 | 116,236 |
| 2025-10-13 | 3,815.00 | 3,950.00 | 3,790.00 | 3,885.00 | 3,813.90 | 65,031 |
| 2025-10-10 | 3,970.00 | 3,970.00 | 3,895.00 | 3,940.00 | 3,867.90 | 106,373 |
| 2025-10-02 | 3,960.00 | 4,005.00 | 3,945.00 | 3,970.00 | 3,897.35 | 63,032 |
| 2025-10-01 | 4,010.00 | 4,045.00 | 3,955.00 | 3,975.00 | 3,902.25 | 66,920 |
| 2025-09-30 | 4,055.00 | 4,155.00 | 3,972.00 | 4,010.00 | 3,936.61 | 108,387 |
| 2025-09-29 | 4,050.00 | 4,145.00 | 4,030.00 | 4,095.00 | 4,020.06 | 226,454 |
| 2025-09-26 | 4,070.00 | 4,080.00 | 3,895.00 | 3,920.00 | 3,848.26 | 137,136 |
| 2025-09-25 | 4,020.00 | 4,185.00 | 4,005.00 | 4,070.00 | 3,995.52 | 114,264 |
| 2025-09-24 | 4,065.00 | 4,125.00 | 4,015.00 | 4,055.00 | 3,980.79 | 95,131 |
| 2025-09-23 | 4,150.00 | 4,215.00 | 4,090.00 | 4,100.00 | 4,024.97 | 108,460 |
| 2025-09-22 | 4,270.00 | 4,310.00 | 4,185.00 | 4,185.00 | 4,108.41 | 120,192 |
| 2025-09-19 | 4,235.00 | 4,360.00 | 4,205.00 | 4,250.00 | 4,172.22 | 386,042 |
| 2025-09-18 | 4,065.00 | 4,200.00 | 4,065.00 | 4,195.00 | 4,118.23 | 110,766 |
| 2025-09-17 | 4,120.00 | 4,120.00 | 4,040.00 | 4,055.00 | 3,980.79 | 68,260 |
| 2025-09-16 | 4,170.00 | 4,195.00 | 4,085.00 | 4,120.00 | 4,044.60 | 105,464 |
| 2025-09-15 | 4,250.00 | 4,250.00 | 4,130.00 | 4,170.00 | 4,093.69 | 73,249 |
| 2025-09-12 | 4,210.00 | 4,235.00 | 4,185.00 | 4,230.00 | 4,152.59 | 108,305 |
| 2025-09-11 | 4,205.00 | 4,245.00 | 4,180.00 | 4,210.00 | 4,132.95 | 49,511 |
| 2025-09-10 | 4,155.00 | 4,235.00 | 4,155.00 | 4,205.00 | 4,128.05 | 81,479 |
| 2025-09-09 | 4,200.00 | 4,200.00 | 4,090.00 | 4,155.00 | 4,078.96 | 33,938 |
| 2025-09-08 | 4,100.00 | 4,170.00 | 4,090.00 | 4,150.00 | 4,074.05 | 74,546 |
| 2025-09-05 | 4,125.00 | 4,150.00 | 4,070.00 | 4,100.00 | 4,024.97 | 20,354 |
| 2025-09-04 | 4,080.00 | 4,145.00 | 4,040.00 | 4,120.00 | 4,044.60 | 42,675 |
| 2025-09-03 | 4,130.00 | 4,140.00 | 4,040.00 | 4,080.00 | 4,005.33 | 29,222 |
| 2025-09-02 | 4,075.00 | 4,135.00 | 4,005.00 | 4,115.00 | 4,039.69 | 65,731 |
| 2025-09-01 | 4,145.00 | 4,150.00 | 4,005.00 | 4,060.00 | 3,985.70 | 75,756 |
| 2025-08-29 | 4,185.00 | 4,200.00 | 4,100.00 | 4,145.00 | 4,069.14 | 63,842 |
| 2025-08-28 | 4,175.00 | 4,210.00 | 4,120.00 | 4,185.00 | 4,108.41 | 56,469 |
| 2025-08-27 | 4,225.00 | 4,225.00 | 4,120.00 | 4,175.00 | 4,098.59 | 86,078 |
| 2025-08-26 | 4,270.00 | 4,270.00 | 4,155.00 | 4,225.00 | 4,147.68 | 99,050 |
| 2025-08-25 | 4,255.00 | 4,285.00 | 4,230.00 | 4,270.00 | 4,191.86 | 98,914 |
| 2025-08-22 | 4,110.00 | 4,225.00 | 4,110.00 | 4,215.00 | 4,137.86 | 75,345 |
| 2025-08-21 | 4,095.00 | 4,180.00 | 4,065.00 | 4,110.00 | 4,034.78 | 66,346 |
| 2025-08-20 | 4,150.00 | 4,150.00 | 4,005.00 | 4,100.00 | 4,024.97 | 104,467 |
| 2025-08-19 | 4,200.00 | 4,250.00 | 4,150.00 | 4,180.00 | 4,103.50 | 63,744 |
| 2025-08-18 | 4,225.00 | 4,230.00 | 4,130.00 | 4,220.00 | 4,142.77 | 48,064 |
| 2025-08-14 | 4,215.00 | 4,270.00 | 4,190.00 | 4,245.00 | 4,167.31 | 60,246 |
| 2025-08-13 | 4,250.00 | 4,250.00 | 4,180.00 | 4,215.00 | 4,137.86 | 59,525 |
| 2025-08-12 | 4,180.00 | 4,275.00 | 4,180.00 | 4,200.00 | 4,123.14 | 80,977 |
| 2025-08-11 | 4,205.00 | 4,225.00 | 4,150.00 | 4,205.00 | 4,128.05 | 62,910 |
| 2025-08-08 | 4,235.00 | 4,275.00 | 4,195.00 | 4,205.00 | 4,128.05 | 59,046 |
| 2025-08-07 | 4,165.00 | 4,265.00 | 4,130.00 | 4,235.00 | 4,157.50 | 82,952 |
| 2025-08-06 | 4,130.00 | 4,170.00 | 4,030.00 | 4,165.00 | 4,088.78 | 65,652 |
| 2025-08-05 | 4,125.00 | 4,155.00 | 4,050.00 | 4,130.00 | 4,054.42 | 84,070 |
| 2025-08-04 | 3,925.00 | 4,130.00 | 3,925.00 | 4,125.00 | 4,049.51 | 122,684 |
| 2025-08-01 | 4,145.00 | 4,175.00 | 3,930.00 | 4,000.00 | 3,926.80 | 221,160 |
| 2025-07-31 | 4,175.00 | 4,245.00 | 4,135.00 | 4,200.00 | 4,123.14 | 68,854 |
| 2025-07-30 | 4,220.00 | 4,280.00 | 4,155.00 | 4,175.00 | 4,098.59 | 119,655 |
| 2025-07-29 | 4,275.00 | 4,275.00 | 4,130.00 | 4,215.00 | 4,137.86 | 189,100 |
| 2025-07-28 | 4,205.00 | 4,305.00 | 4,150.00 | 4,280.00 | 4,201.67 | 168,637 |
| 2025-07-25 | 4,120.00 | 4,245.00 | 4,100.00 | 4,220.00 | 4,142.77 | 138,572 |
| 2025-07-24 | 4,175.00 | 4,220.00 | 4,100.00 | 4,120.00 | 4,044.60 | 127,861 |
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.