Korea Electronic Certification Authority Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-20 | 4,350.00 | 4,645.00 | 4,305.00 | 4,480.00 | 4,480.00 | 569,162 |
| 2026-04-17 | 4,450.00 | 4,450.00 | 4,275.00 | 4,325.00 | 4,325.00 | 371,645 |
| 2026-04-16 | 4,695.00 | 4,710.00 | 4,420.00 | 4,420.00 | 4,420.00 | 1,875,667 |
| 2026-04-15 | 4,235.00 | 4,945.00 | 4,225.00 | 4,450.00 | 4,450.00 | 3,046,562 |
| 2026-04-14 | 4,195.00 | 4,225.00 | 4,140.00 | 4,185.00 | 4,185.00 | 120,687 |
| 2026-04-13 | 4,120.00 | 4,170.00 | 4,055.00 | 4,160.00 | 4,160.00 | 94,238 |
| 2026-04-10 | 4,055.00 | 4,260.00 | 4,005.00 | 4,130.00 | 4,130.00 | 308,209 |
| 2026-04-09 | 4,065.00 | 4,065.00 | 3,980.00 | 4,015.00 | 4,015.00 | 56,191 |
| 2026-04-08 | 4,025.00 | 4,105.00 | 4,020.00 | 4,075.00 | 4,075.00 | 148,302 |
| 2026-04-07 | 4,035.00 | 4,060.00 | 3,945.00 | 3,970.00 | 3,970.00 | 75,149 |
| 2026-04-06 | 4,045.00 | 4,070.00 | 3,985.00 | 4,030.00 | 4,030.00 | 80,377 |
| 2026-04-03 | 4,200.00 | 4,200.00 | 3,900.00 | 4,010.00 | 4,010.00 | 319,617 |
| 2026-04-02 | 3,985.00 | 4,035.00 | 3,810.00 | 3,850.00 | 3,850.00 | 102,984 |
| 2026-04-01 | 3,890.00 | 3,990.00 | 3,890.00 | 3,985.00 | 3,985.00 | 53,659 |
| 2026-03-31 | 3,925.00 | 3,955.00 | 3,790.00 | 3,850.00 | 3,850.00 | 75,702 |
| 2026-03-30 | 3,825.00 | 3,940.00 | 3,780.00 | 3,915.00 | 3,915.00 | 87,105 |
| 2026-03-27 | 4,045.00 | 4,045.00 | 3,790.00 | 3,945.00 | 3,945.00 | 98,876 |
| 2026-03-26 | 4,030.00 | 4,055.00 | 3,940.00 | 3,995.00 | 3,995.00 | 81,855 |
| 2026-03-25 | 3,995.00 | 4,040.00 | 3,970.00 | 4,010.00 | 4,010.00 | 79,749 |
| 2026-03-24 | 3,835.00 | 3,980.00 | 3,835.00 | 3,980.00 | 3,980.00 | 98,324 |
| 2026-03-23 | 3,935.00 | 3,935.00 | 3,810.00 | 3,810.00 | 3,810.00 | 87,016 |
| 2026-03-20 | 3,870.00 | 3,975.00 | 3,860.00 | 3,945.00 | 3,945.00 | 86,869 |
| 2026-03-19 | 3,820.00 | 3,965.00 | 3,810.00 | 3,870.00 | 3,870.00 | 124,265 |
| 2026-03-18 | 3,860.00 | 3,920.00 | 3,850.00 | 3,890.00 | 3,890.00 | 130,849 |
| 2026-03-17 | 3,815.00 | 3,900.00 | 3,815.00 | 3,870.00 | 3,870.00 | 80,259 |
| 2026-03-16 | 3,825.00 | 3,855.00 | 3,790.00 | 3,815.00 | 3,815.00 | 75,336 |
| 2026-03-13 | 3,780.00 | 3,860.00 | 3,690.00 | 3,845.00 | 3,845.00 | 97,000 |
| 2026-03-12 | 3,780.00 | 3,860.00 | 3,775.00 | 3,810.00 | 3,810.00 | 55,539 |
| 2026-03-11 | 3,905.00 | 3,905.00 | 3,735.00 | 3,790.00 | 3,790.00 | 99,021 |
| 2026-03-10 | 3,765.00 | 3,825.00 | 3,760.00 | 3,795.00 | 3,795.00 | 92,923 |
| 2026-03-09 | 3,790.00 | 3,800.00 | 3,590.00 | 3,715.00 | 3,715.00 | 135,799 |
| 2026-03-06 | 3,885.00 | 3,940.00 | 3,700.00 | 3,905.00 | 3,905.00 | 97,500 |
| 2026-03-05 | 3,645.00 | 3,970.00 | 3,645.00 | 3,885.00 | 3,885.00 | 247,758 |
| 2026-03-04 | 3,845.00 | 3,870.00 | 3,535.00 | 3,560.00 | 3,560.00 | 430,392 |
| 2026-03-03 | 4,000.00 | 4,060.00 | 3,900.00 | 3,900.00 | 3,900.00 | 206,401 |
| 2026-02-27 | 4,070.00 | 4,100.00 | 4,000.00 | 4,070.00 | 4,070.00 | 133,873 |
| 2026-02-26 | 4,165.00 | 4,250.00 | 4,080.00 | 4,090.00 | 4,090.00 | 172,630 |
| 2026-02-25 | 4,195.00 | 4,255.00 | 4,155.00 | 4,165.00 | 4,165.00 | 185,676 |
| 2026-02-24 | 4,250.00 | 4,250.00 | 4,130.00 | 4,195.00 | 4,195.00 | 122,641 |
| 2026-02-23 | 4,235.00 | 4,275.00 | 4,125.00 | 4,250.00 | 4,250.00 | 153,912 |
| 2026-02-20 | 4,305.00 | 4,375.00 | 4,025.00 | 4,235.00 | 4,235.00 | 255,115 |
| 2026-02-19 | 4,290.00 | 4,315.00 | 4,200.00 | 4,300.00 | 4,300.00 | 265,118 |
| 2026-02-13 | 4,220.00 | 4,355.00 | 4,210.00 | 4,275.00 | 4,275.00 | 809,623 |
| 2026-02-12 | 4,170.00 | 4,175.00 | 4,100.00 | 4,145.00 | 4,145.00 | 117,676 |
| 2026-02-11 | 4,125.00 | 4,165.00 | 4,090.00 | 4,145.00 | 4,145.00 | 182,396 |
| 2026-02-10 | 4,080.00 | 4,205.00 | 4,050.00 | 4,125.00 | 4,125.00 | 241,366 |
| 2026-02-09 | 3,955.00 | 4,075.00 | 3,955.00 | 4,075.00 | 4,075.00 | 227,610 |
| 2026-02-06 | 3,995.00 | 4,000.00 | 3,840.00 | 3,940.00 | 3,940.00 | 125,982 |
| 2026-02-05 | 4,010.00 | 4,060.00 | 3,965.00 | 4,020.00 | 4,020.00 | 143,179 |
| 2026-02-04 | 3,960.00 | 4,025.00 | 3,920.00 | 4,020.00 | 4,020.00 | 131,015 |
| 2026-02-03 | 3,830.00 | 3,965.00 | 3,820.00 | 3,965.00 | 3,965.00 | 120,502 |
| 2026-02-02 | 3,975.00 | 3,980.00 | 3,640.00 | 3,820.00 | 3,820.00 | 208,547 |
| 2026-01-30 | 4,045.00 | 4,045.00 | 3,940.00 | 3,970.00 | 3,970.00 | 127,786 |
| 2026-01-29 | 4,000.00 | 4,040.00 | 3,850.00 | 4,025.00 | 4,025.00 | 170,344 |
| 2026-01-28 | 4,045.00 | 4,060.00 | 3,955.00 | 3,970.00 | 3,970.00 | 248,140 |
| 2026-01-27 | 4,000.00 | 4,040.00 | 3,955.00 | 4,025.00 | 4,025.00 | 173,431 |
| 2026-01-26 | 3,950.00 | 4,030.00 | 3,900.00 | 4,000.00 | 4,000.00 | 335,740 |
| 2026-01-23 | 3,810.00 | 4,045.00 | 3,670.00 | 3,925.00 | 3,925.00 | 527,961 |
| 2026-01-22 | 3,865.00 | 3,935.00 | 3,805.00 | 3,810.00 | 3,810.00 | 96,239 |
| 2026-01-21 | 3,910.00 | 3,940.00 | 3,785.00 | 3,845.00 | 3,845.00 | 171,105 |
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.