Korea Electronic Certification Authority Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-20 | 3,870.00 | 3,985.00 | 3,810.00 | 3,945.00 | 3,945.00 | 302,559 |
| 2026-01-19 | 3,875.00 | 3,895.00 | 3,807.00 | 3,870.00 | 3,870.00 | 186,148 |
| 2026-01-16 | 3,840.00 | 3,910.00 | 3,820.00 | 3,855.00 | 3,855.00 | 118,741 |
| 2026-01-15 | 3,770.00 | 3,835.00 | 3,740.00 | 3,830.00 | 3,830.00 | 86,259 |
| 2026-01-14 | 3,810.00 | 3,825.00 | 3,735.00 | 3,770.00 | 3,770.00 | 38,103 |
| 2026-01-13 | 3,845.00 | 3,845.00 | 3,730.00 | 3,810.00 | 3,810.00 | 79,909 |
| 2026-01-12 | 3,710.00 | 3,845.00 | 3,690.00 | 3,820.00 | 3,820.00 | 79,651 |
| 2026-01-09 | 3,705.00 | 3,745.00 | 3,640.00 | 3,710.00 | 3,710.00 | 80,361 |
| 2026-01-08 | 3,885.00 | 3,885.00 | 3,695.00 | 3,710.00 | 3,710.00 | 138,349 |
| 2026-01-07 | 3,705.00 | 3,925.00 | 3,680.00 | 3,860.00 | 3,860.00 | 287,485 |
| 2026-01-06 | 3,740.00 | 3,790.00 | 3,680.00 | 3,705.00 | 3,705.00 | 99,182 |
| 2026-01-05 | 3,755.00 | 3,795.00 | 3,730.00 | 3,740.00 | 3,740.00 | 65,671 |
| 2026-01-02 | 3,675.00 | 3,760.00 | 3,675.00 | 3,755.00 | 3,755.00 | 64,096 |
| 2025-12-30 | 3,805.00 | 3,805.00 | 3,675.00 | 3,725.00 | 3,725.00 | 48,955 |
| 2025-12-29 | 3,795.00 | 3,840.00 | 3,730.00 | 3,805.00 | 3,805.00 | 31,414 |
| 2025-12-26 | 3,815.00 | 3,925.00 | 3,815.00 | 3,825.00 | 3,755.00 | 104,153 |
| 2025-12-24 | 3,840.00 | 3,865.00 | 3,810.00 | 3,815.00 | 3,745.18 | 55,992 |
| 2025-12-23 | 3,895.00 | 3,935.00 | 3,830.00 | 3,835.00 | 3,764.82 | 73,489 |
| 2025-12-22 | 3,805.00 | 3,940.00 | 3,805.00 | 3,920.00 | 3,848.26 | 187,720 |
| 2025-12-19 | 3,700.00 | 3,865.00 | 3,700.00 | 3,820.00 | 3,750.09 | 163,514 |
| 2025-12-18 | 3,600.00 | 3,740.00 | 3,585.00 | 3,735.00 | 3,666.65 | 70,094 |
| 2025-12-17 | 3,600.00 | 3,790.00 | 3,600.00 | 3,650.00 | 3,583.20 | 72,604 |
| 2025-12-16 | 3,715.00 | 3,725.00 | 3,615.00 | 3,615.00 | 3,548.84 | 36,614 |
| 2025-12-15 | 3,775.00 | 3,775.00 | 3,710.00 | 3,715.00 | 3,647.01 | 43,931 |
| 2025-12-12 | 3,710.00 | 3,780.00 | 3,680.00 | 3,780.00 | 3,710.82 | 118,259 |
| 2025-12-11 | 3,705.00 | 3,740.00 | 3,630.00 | 3,710.00 | 3,642.10 | 41,310 |
| 2025-12-10 | 3,635.00 | 3,725.00 | 3,635.00 | 3,705.00 | 3,637.20 | 49,638 |
| 2025-12-09 | 3,575.00 | 3,680.00 | 3,565.00 | 3,635.00 | 3,568.48 | 44,617 |
| 2025-12-08 | 3,700.00 | 3,805.00 | 3,570.00 | 3,620.00 | 3,553.75 | 183,358 |
| 2025-12-05 | 3,735.00 | 3,735.00 | 3,610.00 | 3,685.00 | 3,617.56 | 33,076 |
| 2025-12-04 | 3,690.00 | 3,695.00 | 3,655.00 | 3,665.00 | 3,597.93 | 24,791 |
| 2025-12-03 | 3,675.00 | 3,700.00 | 3,650.00 | 3,690.00 | 3,622.47 | 31,774 |
| 2025-12-02 | 3,650.00 | 3,700.00 | 3,625.00 | 3,670.00 | 3,602.84 | 26,055 |
| 2025-12-01 | 3,710.00 | 3,755.00 | 3,610.00 | 3,645.00 | 3,578.29 | 69,706 |
| 2025-11-28 | 3,550.00 | 3,650.00 | 3,550.00 | 3,645.00 | 3,578.29 | 32,793 |
| 2025-11-27 | 3,515.00 | 3,595.00 | 3,515.00 | 3,550.00 | 3,485.03 | 15,453 |
| 2025-11-26 | 3,480.00 | 3,550.00 | 3,480.00 | 3,550.00 | 3,485.03 | 20,847 |
| 2025-11-25 | 3,475.00 | 3,575.00 | 3,475.00 | 3,480.00 | 3,416.31 | 25,126 |
| 2025-11-24 | 3,530.00 | 3,680.00 | 3,500.00 | 3,500.00 | 3,435.95 | 27,704 |
| 2025-11-21 | 3,600.00 | 3,605.00 | 3,500.00 | 3,530.00 | 3,465.40 | 40,958 |
| 2025-11-20 | 3,515.00 | 3,650.00 | 3,515.00 | 3,605.00 | 3,539.03 | 42,396 |
| 2025-11-19 | 3,450.00 | 3,605.00 | 3,440.00 | 3,540.00 | 3,475.22 | 44,165 |
| 2025-11-18 | 3,630.00 | 3,630.00 | 3,480.00 | 3,480.00 | 3,416.31 | 56,618 |
| 2025-11-17 | 3,660.00 | 3,660.00 | 3,545.00 | 3,630.00 | 3,563.57 | 30,655 |
| 2025-11-14 | 3,720.00 | 3,720.00 | 3,630.00 | 3,660.00 | 3,593.02 | 50,866 |
| 2025-11-13 | 3,720.00 | 3,745.00 | 3,645.00 | 3,720.00 | 3,651.92 | 42,019 |
| 2025-11-12 | 3,630.00 | 3,750.00 | 3,630.00 | 3,720.00 | 3,651.92 | 53,417 |
| 2025-11-11 | 3,640.00 | 3,705.00 | 3,585.00 | 3,605.00 | 3,539.03 | 66,375 |
| 2025-11-10 | 3,500.00 | 3,640.00 | 3,490.00 | 3,640.00 | 3,573.39 | 54,134 |
| 2025-11-07 | 3,550.00 | 3,565.00 | 3,335.00 | 3,485.00 | 3,421.22 | 110,382 |
| 2025-11-06 | 3,505.00 | 3,645.00 | 3,490.00 | 3,575.00 | 3,509.58 | 52,088 |
| 2025-11-05 | 3,580.00 | 3,585.00 | 3,380.00 | 3,505.00 | 3,440.86 | 128,053 |
| 2025-11-04 | 3,625.00 | 3,630.00 | 3,560.00 | 3,580.00 | 3,514.48 | 110,624 |
| 2025-11-03 | 3,730.00 | 3,750.00 | 3,635.00 | 3,635.00 | 3,568.48 | 90,312 |
| 2025-10-31 | 3,650.00 | 3,735.00 | 3,650.00 | 3,730.00 | 3,661.74 | 52,141 |
| 2025-10-30 | 3,750.00 | 3,770.00 | 3,645.00 | 3,650.00 | 3,583.20 | 134,461 |
| 2025-10-29 | 3,870.00 | 3,870.00 | 3,745.00 | 3,750.00 | 3,681.37 | 92,046 |
| 2025-10-28 | 3,800.00 | 3,810.00 | 3,735.00 | 3,760.00 | 3,691.19 | 57,776 |
| 2025-10-27 | 3,785.00 | 3,890.00 | 3,780.00 | 3,815.00 | 3,745.18 | 132,174 |
| 2025-10-24 | 3,825.00 | 3,825.00 | 3,715.00 | 3,785.00 | 3,715.73 | 99,036 |
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.