Optrontec Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-21 | 1,834.00 | 2,040.00 | 1,780.00 | 2,000.00 | 2,000.00 | 600,115 |
| 2026-01-20 | 1,852.00 | 1,910.00 | 1,822.00 | 1,841.00 | 1,841.00 | 219,969 |
| 2026-01-19 | 1,724.00 | 1,879.00 | 1,721.00 | 1,849.00 | 1,849.00 | 291,139 |
| 2026-01-16 | 1,775.00 | 1,802.00 | 1,715.00 | 1,724.00 | 1,724.00 | 138,850 |
| 2026-01-15 | 1,900.00 | 1,919.00 | 1,728.00 | 1,765.00 | 1,765.00 | 299,998 |
| 2026-01-14 | 2,010.00 | 2,100.00 | 1,856.00 | 1,877.00 | 1,877.00 | 1,423,317 |
| 2026-01-13 | 1,725.00 | 1,772.00 | 1,650.00 | 1,756.00 | 1,756.00 | 191,198 |
| 2026-01-12 | 1,735.00 | 1,735.00 | 1,650.00 | 1,686.00 | 1,686.00 | 69,590 |
| 2026-01-09 | 1,675.00 | 1,699.00 | 1,660.00 | 1,663.00 | 1,663.00 | 47,057 |
| 2026-01-08 | 1,757.00 | 1,779.00 | 1,654.00 | 1,680.00 | 1,680.00 | 119,450 |
| 2026-01-07 | 1,706.00 | 1,770.00 | 1,697.00 | 1,757.00 | 1,757.00 | 85,939 |
| 2026-01-06 | 1,714.00 | 1,731.00 | 1,691.00 | 1,706.00 | 1,706.00 | 71,577 |
| 2026-01-05 | 1,758.00 | 1,773.00 | 1,689.00 | 1,714.00 | 1,714.00 | 86,055 |
| 2026-01-02 | 1,697.00 | 1,778.00 | 1,697.00 | 1,758.00 | 1,758.00 | 50,789 |
| 2025-12-30 | 1,670.00 | 1,713.00 | 1,650.00 | 1,697.00 | 1,697.00 | 44,279 |
| 2025-12-29 | 1,716.00 | 1,720.00 | 1,676.00 | 1,687.00 | 1,687.00 | 41,101 |
| 2025-12-26 | 1,703.00 | 1,742.00 | 1,703.00 | 1,716.00 | 1,716.00 | 69,466 |
| 2025-12-24 | 1,742.00 | 1,768.00 | 1,710.00 | 1,710.00 | 1,710.00 | 45,546 |
| 2025-12-23 | 1,809.00 | 1,866.00 | 1,742.00 | 1,742.00 | 1,742.00 | 96,770 |
| 2025-12-22 | 1,709.00 | 1,818.00 | 1,709.00 | 1,814.00 | 1,814.00 | 171,004 |
| 2025-12-19 | 1,614.00 | 1,710.00 | 1,614.00 | 1,709.00 | 1,709.00 | 83,506 |
| 2025-12-18 | 1,641.00 | 1,641.00 | 1,588.00 | 1,614.00 | 1,614.00 | 39,629 |
| 2025-12-17 | 1,625.00 | 1,650.00 | 1,609.00 | 1,618.00 | 1,618.00 | 21,370 |
| 2025-12-16 | 1,620.00 | 1,673.00 | 1,619.00 | 1,625.00 | 1,625.00 | 80,266 |
| 2025-12-15 | 1,663.00 | 1,668.00 | 1,614.00 | 1,620.00 | 1,620.00 | 38,265 |
| 2025-12-12 | 1,700.00 | 1,700.00 | 1,663.00 | 1,663.00 | 1,663.00 | 38,904 |
| 2025-12-11 | 1,704.00 | 1,722.00 | 1,682.00 | 1,697.00 | 1,697.00 | 31,991 |
| 2025-12-10 | 1,735.00 | 1,735.00 | 1,688.00 | 1,698.00 | 1,698.00 | 17,802 |
| 2025-12-09 | 1,692.00 | 1,709.00 | 1,634.00 | 1,709.00 | 1,709.00 | 36,042 |
| 2025-12-08 | 1,702.00 | 1,707.00 | 1,666.00 | 1,699.00 | 1,699.00 | 19,369 |
| 2025-12-05 | 1,713.00 | 1,713.00 | 1,676.00 | 1,699.00 | 1,699.00 | 25,896 |
| 2025-12-04 | 1,700.00 | 1,712.00 | 1,674.00 | 1,707.00 | 1,707.00 | 23,856 |
| 2025-12-03 | 1,700.00 | 1,709.00 | 1,683.00 | 1,700.00 | 1,700.00 | 34,357 |
| 2025-12-02 | 1,704.00 | 1,712.00 | 1,670.00 | 1,700.00 | 1,700.00 | 55,461 |
| 2025-12-01 | 1,684.00 | 1,710.00 | 1,669.00 | 1,687.00 | 1,687.00 | 36,870 |
| 2025-11-28 | 1,640.00 | 1,694.00 | 1,611.00 | 1,684.00 | 1,684.00 | 33,294 |
| 2025-11-27 | 1,637.00 | 1,637.00 | 1,614.00 | 1,617.00 | 1,617.00 | 24,195 |
| 2025-11-26 | 1,633.00 | 1,633.00 | 1,580.00 | 1,624.00 | 1,624.00 | 48,400 |
| 2025-11-25 | 1,628.00 | 1,644.00 | 1,600.00 | 1,603.00 | 1,603.00 | 47,446 |
| 2025-11-24 | 1,652.00 | 1,656.00 | 1,600.00 | 1,626.00 | 1,626.00 | 36,864 |
| 2025-11-21 | 1,674.00 | 1,674.00 | 1,583.00 | 1,599.00 | 1,599.00 | 34,256 |
| 2025-11-20 | 1,685.00 | 1,685.00 | 1,589.00 | 1,638.00 | 1,638.00 | 19,301 |
| 2025-11-19 | 1,632.00 | 1,650.00 | 1,585.00 | 1,586.00 | 1,586.00 | 63,321 |
| 2025-11-18 | 1,699.00 | 1,699.00 | 1,613.00 | 1,632.00 | 1,632.00 | 49,241 |
| 2025-11-17 | 1,695.00 | 1,728.00 | 1,676.00 | 1,680.00 | 1,680.00 | 54,663 |
| 2025-11-14 | 1,733.00 | 1,733.00 | 1,675.00 | 1,690.00 | 1,690.00 | 43,223 |
| 2025-11-13 | 1,740.00 | 1,742.00 | 1,680.00 | 1,733.00 | 1,733.00 | 58,387 |
| 2025-11-12 | 1,682.00 | 1,740.00 | 1,670.00 | 1,728.00 | 1,728.00 | 57,432 |
| 2025-11-11 | 1,770.00 | 1,770.00 | 1,672.00 | 1,681.00 | 1,681.00 | 155,982 |
| 2025-11-10 | 1,780.00 | 1,819.00 | 1,738.00 | 1,750.00 | 1,750.00 | 97,715 |
| 2025-11-07 | 1,834.00 | 1,835.00 | 1,750.00 | 1,780.00 | 1,780.00 | 192,120 |
| 2025-11-06 | 1,871.00 | 1,920.00 | 1,819.00 | 1,834.00 | 1,834.00 | 86,004 |
| 2025-11-05 | 1,935.00 | 1,935.00 | 1,820.00 | 1,870.00 | 1,870.00 | 249,376 |
| 2025-11-04 | 1,917.00 | 2,170.00 | 1,917.00 | 1,933.00 | 1,933.00 | 802,520 |
| 2025-11-03 | 1,938.00 | 2,020.00 | 1,892.00 | 1,917.00 | 1,917.00 | 170,312 |
| 2025-10-31 | 1,861.00 | 1,938.00 | 1,850.00 | 1,928.00 | 1,928.00 | 95,083 |
| 2025-10-30 | 1,935.00 | 1,935.00 | 1,864.00 | 1,867.00 | 1,867.00 | 131,988 |
| 2025-10-29 | 1,990.00 | 2,000.00 | 1,921.00 | 1,933.00 | 1,933.00 | 108,348 |
| 2025-10-28 | 2,000.00 | 2,015.00 | 1,962.00 | 1,990.00 | 1,990.00 | 91,137 |
| 2025-10-27 | 2,090.00 | 2,180.00 | 1,971.00 | 2,015.00 | 2,015.00 | 296,791 |
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.