Optrontec Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-25 | 1,660.00 | 1,726.00 | 1,642.00 | 1,652.00 | 1,652.00 | 15,237 |
| 2025-07-24 | 1,714.00 | 1,739.00 | 1,644.00 | 1,660.00 | 1,660.00 | 38,362 |
| 2025-07-23 | 1,779.00 | 1,789.00 | 1,714.00 | 1,714.00 | 1,714.00 | 25,267 |
| 2025-07-22 | 1,779.00 | 1,789.00 | 1,625.00 | 1,760.00 | 1,760.00 | 81,664 |
| 2025-07-21 | 1,781.00 | 1,799.00 | 1,748.00 | 1,780.00 | 1,780.00 | 25,763 |
| 2025-07-18 | 1,793.00 | 1,819.00 | 1,771.00 | 1,780.00 | 1,780.00 | 35,313 |
| 2025-07-17 | 1,800.00 | 1,840.00 | 1,763.00 | 1,793.00 | 1,793.00 | 50,452 |
| 2025-07-16 | 1,840.00 | 1,840.00 | 1,780.00 | 1,818.00 | 1,818.00 | 44,519 |
| 2025-07-15 | 1,829.00 | 1,829.00 | 1,789.00 | 1,812.00 | 1,812.00 | 53,482 |
| 2025-07-14 | 1,796.00 | 1,833.00 | 1,773.00 | 1,808.00 | 1,808.00 | 127,078 |
| 2025-07-11 | 1,776.00 | 1,819.00 | 1,742.00 | 1,796.00 | 1,796.00 | 98,092 |
| 2025-07-10 | 1,724.00 | 1,800.00 | 1,708.00 | 1,793.00 | 1,793.00 | 100,338 |
| 2025-07-09 | 1,678.00 | 1,724.00 | 1,678.00 | 1,724.00 | 1,724.00 | 48,423 |
| 2025-07-08 | 1,690.00 | 1,694.00 | 1,640.00 | 1,694.00 | 1,694.00 | 26,850 |
| 2025-07-07 | 1,640.00 | 1,770.00 | 1,623.00 | 1,641.00 | 1,641.00 | 97,512 |
| 2025-07-04 | 1,645.00 | 1,652.00 | 1,612.00 | 1,640.00 | 1,640.00 | 29,778 |
| 2025-07-03 | 1,615.00 | 1,665.00 | 1,595.00 | 1,645.00 | 1,645.00 | 36,125 |
| 2025-07-02 | 1,649.00 | 1,650.00 | 1,606.00 | 1,615.00 | 1,615.00 | 500,822 |
| 2025-07-01 | 1,655.00 | 1,709.00 | 1,639.00 | 1,639.00 | 1,639.00 | 21,895 |
| 2025-06-30 | 1,691.00 | 1,691.00 | 1,655.00 | 1,655.00 | 1,655.00 | 30,516 |
| 2025-06-27 | 1,720.00 | 1,769.00 | 1,654.00 | 1,691.00 | 1,691.00 | 71,348 |
| 2025-06-26 | 1,712.00 | 1,734.00 | 1,647.00 | 1,720.00 | 1,720.00 | 90,725 |
| 2025-06-25 | 1,738.00 | 1,738.00 | 1,653.00 | 1,712.00 | 1,712.00 | 42,417 |
| 2025-06-24 | 1,679.00 | 1,744.00 | 1,642.00 | 1,696.00 | 1,696.00 | 92,441 |
| 2025-06-23 | 1,689.00 | 1,695.00 | 1,635.00 | 1,641.00 | 1,641.00 | 48,195 |
| 2025-06-20 | 1,621.00 | 1,698.00 | 1,621.00 | 1,697.00 | 1,697.00 | 62,945 |
| 2025-06-19 | 1,660.00 | 1,699.00 | 1,635.00 | 1,635.00 | 1,635.00 | 76,904 |
| 2025-06-18 | 1,646.00 | 1,678.00 | 1,646.00 | 1,660.00 | 1,660.00 | 39,720 |
| 2025-06-17 | 1,670.00 | 1,684.00 | 1,630.00 | 1,660.00 | 1,660.00 | 80,544 |
| 2025-06-16 | 1,770.00 | 1,770.00 | 1,647.00 | 1,660.00 | 1,660.00 | 95,670 |
| 2025-06-13 | 1,769.00 | 1,769.00 | 1,704.00 | 1,729.00 | 1,729.00 | 107,306 |
| 2025-06-12 | 1,799.00 | 1,808.00 | 1,760.00 | 1,760.00 | 1,760.00 | 53,667 |
| 2025-06-11 | 1,766.00 | 1,808.00 | 1,766.00 | 1,799.00 | 1,799.00 | 47,618 |
| 2025-06-10 | 1,752.00 | 1,808.00 | 1,730.00 | 1,784.00 | 1,784.00 | 60,315 |
| 2025-06-09 | 1,785.00 | 1,785.00 | 1,728.00 | 1,752.00 | 1,752.00 | 57,395 |
| 2025-06-05 | 1,798.00 | 1,798.00 | 1,754.00 | 1,785.00 | 1,785.00 | 44,529 |
| 2025-06-04 | 1,730.00 | 1,769.00 | 1,720.00 | 1,754.00 | 1,754.00 | 35,481 |
| 2025-06-02 | 1,740.00 | 1,757.00 | 1,712.00 | 1,721.00 | 1,721.00 | 25,248 |
| 2025-05-30 | 1,685.00 | 1,772.00 | 1,685.00 | 1,761.00 | 1,761.00 | 53,356 |
| 2025-05-29 | 1,716.00 | 1,739.00 | 1,655.00 | 1,699.00 | 1,699.00 | 71,375 |
| 2025-05-28 | 1,750.00 | 1,751.00 | 1,716.00 | 1,716.00 | 1,716.00 | 32,521 |
| 2025-05-27 | 1,739.00 | 1,784.00 | 1,730.00 | 1,746.00 | 1,746.00 | 51,376 |
| 2025-05-26 | 1,733.00 | 1,755.00 | 1,712.00 | 1,737.00 | 1,737.00 | 17,040 |
| 2025-05-23 | 1,732.00 | 1,757.00 | 1,715.00 | 1,755.00 | 1,755.00 | 31,538 |
| 2025-05-22 | 1,756.00 | 1,777.00 | 1,722.00 | 1,733.00 | 1,733.00 | 41,872 |
| 2025-05-21 | 1,757.00 | 1,789.00 | 1,712.00 | 1,756.00 | 1,756.00 | 43,015 |
| 2025-05-20 | 1,771.00 | 1,813.00 | 1,749.00 | 1,755.00 | 1,755.00 | 71,285 |
| 2025-05-19 | 1,695.00 | 1,770.00 | 1,590.00 | 1,770.00 | 1,770.00 | 77,099 |
| 2025-05-16 | 1,807.00 | 1,815.00 | 1,720.00 | 1,720.00 | 1,720.00 | 90,979 |
| 2025-05-15 | 1,827.00 | 1,860.00 | 1,773.00 | 1,816.00 | 1,816.00 | 33,285 |
| 2025-05-14 | 1,870.00 | 1,870.00 | 1,804.00 | 1,827.00 | 1,827.00 | 43,007 |
| 2025-05-13 | 1,794.00 | 1,860.00 | 1,785.00 | 1,840.00 | 1,840.00 | 93,456 |
| 2025-05-12 | 1,695.00 | 1,794.00 | 1,695.00 | 1,794.00 | 1,794.00 | 102,841 |
| 2025-05-09 | 1,823.00 | 1,823.00 | 1,690.00 | 1,692.00 | 1,692.00 | 184,820 |
| 2025-05-08 | 1,798.00 | 1,819.00 | 1,754.00 | 1,806.00 | 1,806.00 | 84,885 |
| 2025-05-07 | 1,780.00 | 1,849.00 | 1,766.00 | 1,798.00 | 1,798.00 | 140,263 |
| 2025-05-02 | 1,728.00 | 1,844.00 | 1,705.00 | 1,825.00 | 1,825.00 | 256,011 |
| 2025-04-30 | 1,682.00 | 1,817.00 | 1,678.00 | 1,710.00 | 1,710.00 | 250,080 |
| 2025-04-29 | 1,706.00 | 1,739.00 | 1,644.00 | 1,666.00 | 1,666.00 | 129,449 |
| 2025-04-28 | 1,820.00 | 1,835.00 | 1,677.00 | 1,720.00 | 1,720.00 | 230,941 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2020-12-29 | 30.0000 KRW |
| 2019-12-27 | 30.0000 KRW |
Open, high, low and close are as traded (KRW). Adjusted close accounts for splits and dividends. Educational only, not financial advice.