Optrontec Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-20 | 1,901.00 | 1,997.00 | 1,802.00 | 1,885.00 | 1,885.00 | 194,203 |
| 2026-07-16 | 1,976.00 | 2,000.00 | 1,900.00 | 1,921.00 | 1,921.00 | 176,376 |
| 2026-07-15 | 1,950.00 | 2,050.00 | 1,920.00 | 1,976.00 | 1,976.00 | 171,048 |
| 2026-07-14 | 1,944.00 | 2,115.00 | 1,876.00 | 1,950.00 | 1,950.00 | 325,248 |
| 2026-07-13 | 1,880.00 | 2,000.00 | 1,780.00 | 1,944.00 | 1,944.00 | 475,810 |
| 2026-07-10 | 1,755.00 | 2,070.00 | 1,724.00 | 1,890.00 | 1,890.00 | 743,448 |
| 2026-07-09 | 1,658.00 | 1,866.00 | 1,527.00 | 1,755.00 | 1,755.00 | 452,181 |
| 2026-07-08 | 1,640.00 | 1,686.00 | 1,549.00 | 1,568.00 | 1,568.00 | 80,331 |
| 2026-07-07 | 1,760.00 | 1,884.00 | 1,650.00 | 1,654.00 | 1,654.00 | 255,765 |
| 2026-07-06 | 1,523.00 | 1,919.00 | 1,523.00 | 1,760.00 | 1,760.00 | 982,161 |
| 2026-07-03 | 1,500.00 | 1,581.00 | 1,463.00 | 1,514.00 | 1,514.00 | 121,314 |
| 2026-07-02 | 1,670.00 | 1,670.00 | 1,450.00 | 1,500.00 | 1,500.00 | 141,002 |
| 2026-07-01 | 1,733.00 | 1,733.00 | 1,528.00 | 1,535.00 | 1,535.00 | 153,514 |
| 2026-06-30 | 1,778.00 | 1,835.00 | 1,650.00 | 1,735.00 | 1,735.00 | 137,959 |
| 2026-06-29 | 1,760.00 | 1,930.00 | 1,629.00 | 1,778.00 | 1,778.00 | 450,618 |
| 2026-06-26 | 1,527.00 | 1,800.00 | 1,488.00 | 1,760.00 | 1,760.00 | 1,277,154 |
| 2026-06-25 | 1,330.00 | 1,707.00 | 1,328.00 | 1,527.00 | 1,527.00 | 2,434,737 |
| 2026-06-24 | 1,292.00 | 1,327.00 | 1,241.00 | 1,314.00 | 1,314.00 | 81,490 |
| 2026-06-23 | 1,337.00 | 1,337.00 | 1,252.00 | 1,292.00 | 1,292.00 | 118,537 |
| 2026-06-22 | 1,400.00 | 1,435.00 | 1,270.00 | 1,337.00 | 1,337.00 | 206,068 |
| 2026-06-19 | 1,367.00 | 1,367.00 | 1,276.00 | 1,300.00 | 1,300.00 | 93,149 |
| 2026-06-18 | 1,485.00 | 1,488.00 | 1,363.00 | 1,367.00 | 1,367.00 | 109,837 |
| 2026-06-17 | 1,401.00 | 1,579.00 | 1,369.00 | 1,437.00 | 1,437.00 | 83,895 |
| 2026-06-16 | 1,439.00 | 1,448.00 | 1,385.00 | 1,415.00 | 1,415.00 | 67,582 |
| 2026-06-15 | 1,474.00 | 1,522.00 | 1,422.00 | 1,424.00 | 1,424.00 | 59,583 |
| 2026-06-12 | 1,479.00 | 1,526.00 | 1,442.00 | 1,473.00 | 1,473.00 | 72,013 |
| 2026-06-11 | 1,422.00 | 1,530.00 | 1,378.00 | 1,477.00 | 1,477.00 | 113,863 |
| 2026-06-10 | 1,553.00 | 1,553.00 | 1,410.00 | 1,422.00 | 1,422.00 | 120,621 |
| 2026-06-09 | 1,490.00 | 1,558.00 | 1,412.00 | 1,553.00 | 1,553.00 | 146,038 |
| 2026-06-08 | 1,456.00 | 1,560.00 | 1,357.00 | 1,404.00 | 1,404.00 | 221,560 |
| 2026-06-05 | 1,430.00 | 1,549.00 | 1,360.00 | 1,456.00 | 1,456.00 | 194,660 |
| 2026-06-04 | 1,524.00 | 1,524.00 | 1,424.00 | 1,430.00 | 1,430.00 | 257,238 |
| 2026-06-02 | 1,607.00 | 1,618.00 | 1,480.00 | 1,524.00 | 1,524.00 | 178,161 |
| 2026-06-01 | 1,618.00 | 1,688.00 | 1,553.00 | 1,561.00 | 1,561.00 | 249,179 |
| 2026-05-29 | 1,723.00 | 1,723.00 | 1,602.00 | 1,607.00 | 1,607.00 | 169,410 |
| 2026-05-28 | 1,750.00 | 1,790.00 | 1,660.00 | 1,684.00 | 1,684.00 | 130,757 |
| 2026-05-27 | 1,815.00 | 1,817.00 | 1,656.00 | 1,684.00 | 1,684.00 | 138,695 |
| 2026-05-26 | 1,760.00 | 1,847.00 | 1,694.00 | 1,804.00 | 1,804.00 | 170,982 |
| 2026-05-22 | 1,750.00 | 1,766.00 | 1,691.00 | 1,757.00 | 1,757.00 | 99,788 |
| 2026-05-21 | 1,654.00 | 1,773.00 | 1,654.00 | 1,700.00 | 1,700.00 | 109,725 |
| 2026-05-20 | 1,675.00 | 1,725.00 | 1,620.00 | 1,651.00 | 1,651.00 | 114,315 |
| 2026-05-19 | 1,710.00 | 1,715.00 | 1,639.00 | 1,675.00 | 1,675.00 | 182,164 |
| 2026-05-18 | 1,850.00 | 1,851.00 | 1,692.00 | 1,706.00 | 1,706.00 | 222,454 |
| 2026-05-15 | 1,880.00 | 1,880.00 | 1,731.00 | 1,762.00 | 1,762.00 | 293,638 |
| 2026-05-14 | 1,744.00 | 1,770.00 | 1,700.00 | 1,725.00 | 1,725.00 | 69,411 |
| 2026-05-13 | 1,761.00 | 1,800.00 | 1,700.00 | 1,708.00 | 1,708.00 | 157,812 |
| 2026-05-12 | 1,817.00 | 1,900.00 | 1,754.00 | 1,761.00 | 1,761.00 | 176,489 |
| 2026-05-11 | 1,900.00 | 1,980.00 | 1,812.00 | 1,832.00 | 1,832.00 | 206,387 |
| 2026-05-08 | 1,776.00 | 1,989.00 | 1,775.00 | 1,898.00 | 1,898.00 | 607,220 |
| 2026-05-07 | 1,880.00 | 1,880.00 | 1,769.00 | 1,773.00 | 1,773.00 | 432,622 |
| 2026-05-06 | 1,811.00 | 1,919.00 | 1,769.00 | 1,880.00 | 1,880.00 | 188,307 |
| 2026-05-04 | 1,860.00 | 1,900.00 | 1,801.00 | 1,810.00 | 1,810.00 | 256,585 |
| 2026-04-30 | 1,881.00 | 1,911.00 | 1,855.00 | 1,860.00 | 1,860.00 | 108,824 |
| 2026-04-29 | 1,934.00 | 1,934.00 | 1,868.00 | 1,879.00 | 1,879.00 | 226,231 |
| 2026-04-28 | 1,965.00 | 1,967.00 | 1,892.00 | 1,935.00 | 1,935.00 | 183,889 |
| 2026-04-27 | 2,020.00 | 2,025.00 | 1,945.00 | 1,959.00 | 1,959.00 | 241,120 |
| 2026-04-24 | 2,050.00 | 2,050.00 | 1,976.00 | 2,015.00 | 2,015.00 | 142,730 |
| 2026-04-23 | 2,070.00 | 2,140.00 | 1,993.00 | 1,996.00 | 1,996.00 | 324,311 |
| 2026-04-22 | 2,045.00 | 2,145.00 | 1,995.00 | 2,070.00 | 2,070.00 | 396,290 |
| 2026-04-21 | 1,921.00 | 2,150.00 | 1,895.00 | 2,045.00 | 2,045.00 | 514,504 |
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.