Optrontec Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-19 | 1,776.00 | 1,776.00 | 1,697.00 | 1,712.00 | 1,712.00 | 19,899 |
| 2026-10-16 | 1,660.00 | 1,730.00 | 1,660.00 | 1,726.00 | 1,726.00 | 20,779 |
| 2026-10-15 | 1,744.00 | 1,744.00 | 1,650.00 | 1,660.00 | 1,660.00 | 42,517 |
| 2026-10-14 | 1,709.00 | 1,795.00 | 1,700.00 | 1,744.00 | 1,744.00 | 4,389 |
| 2026-10-13 | 1,735.00 | 1,735.00 | 1,672.00 | 1,709.00 | 1,709.00 | 26,727 |
| 2026-10-12 | 1,828.00 | 1,837.00 | 1,735.00 | 1,735.00 | 1,735.00 | 33,818 |
| 2026-10-08 | 1,816.00 | 1,845.00 | 1,816.00 | 1,828.00 | 1,828.00 | 38,671 |
| 2026-10-07 | 1,813.00 | 1,820.00 | 1,768.00 | 1,816.00 | 1,816.00 | 49,515 |
| 2026-10-06 | 1,810.00 | 1,810.00 | 1,705.00 | 1,784.00 | 1,784.00 | 53,632 |
| 2026-10-02 | 1,758.00 | 1,795.00 | 1,750.00 | 1,795.00 | 1,795.00 | 52,903 |
| 2026-10-01 | 1,820.00 | 1,820.00 | 1,723.00 | 1,758.00 | 1,758.00 | 14,279 |
| 2026-09-30 | 1,696.00 | 1,747.00 | 1,696.00 | 1,745.00 | 1,745.00 | 24,841 |
| 2026-09-29 | 1,746.00 | 1,778.00 | 1,692.00 | 1,701.00 | 1,701.00 | 27,049 |
| 2026-09-28 | 1,799.00 | 1,799.00 | 1,711.00 | 1,747.00 | 1,747.00 | 25,594 |
| 2026-09-23 | 1,778.00 | 1,812.00 | 1,730.00 | 1,777.00 | 1,777.00 | 32,112 |
| 2026-09-22 | 1,814.00 | 1,847.00 | 1,776.00 | 1,777.00 | 1,777.00 | 35,516 |
| 2026-09-21 | 1,818.00 | 1,905.00 | 1,710.00 | 1,814.00 | 1,814.00 | 113,901 |
| 2026-09-18 | 1,756.00 | 1,825.00 | 1,756.00 | 1,811.00 | 1,811.00 | 61,238 |
| 2026-09-17 | 1,722.00 | 1,775.00 | 1,722.00 | 1,756.00 | 1,756.00 | 30,674 |
| 2026-09-16 | 1,750.00 | 1,763.00 | 1,700.00 | 1,722.00 | 1,722.00 | 34,820 |
| 2026-09-15 | 1,730.00 | 1,771.00 | 1,697.00 | 1,755.00 | 1,755.00 | 49,015 |
| 2026-09-14 | 1,667.00 | 1,735.00 | 1,645.00 | 1,712.00 | 1,712.00 | 37,149 |
| 2026-09-11 | 1,665.00 | 1,701.00 | 1,594.00 | 1,667.00 | 1,667.00 | 87,761 |
| 2026-09-10 | 1,700.00 | 1,700.00 | 1,645.00 | 1,659.00 | 1,659.00 | 47,182 |
| 2026-09-09 | 1,650.00 | 1,749.00 | 1,636.00 | 1,671.00 | 1,671.00 | 156,114 |
| 2026-09-08 | 1,667.00 | 1,674.00 | 1,623.00 | 1,650.00 | 1,650.00 | 64,254 |
| 2026-09-07 | 1,682.00 | 1,850.00 | 1,645.00 | 1,672.00 | 1,672.00 | 177,686 |
| 2026-09-04 | 1,660.00 | 1,704.00 | 1,660.00 | 1,682.00 | 1,682.00 | 12,095 |
| 2026-09-03 | 1,713.00 | 1,739.00 | 1,657.00 | 1,660.00 | 1,660.00 | 68,021 |
| 2026-09-02 | 1,690.00 | 1,740.00 | 1,682.00 | 1,712.00 | 1,712.00 | 17,075 |
| 2026-09-01 | 1,698.00 | 1,763.00 | 1,691.00 | 1,763.00 | 1,763.00 | 14,970 |
| 2026-08-31 | 1,774.00 | 1,775.00 | 1,698.00 | 1,698.00 | 1,698.00 | 27,530 |
| 2026-08-28 | 1,720.00 | 1,780.00 | 1,652.00 | 1,776.00 | 1,776.00 | 52,856 |
| 2026-08-27 | 1,708.00 | 1,723.00 | 1,658.00 | 1,709.00 | 1,709.00 | 22,816 |
| 2026-08-26 | 1,713.00 | 1,747.00 | 1,679.00 | 1,708.00 | 1,708.00 | 10,646 |
| 2026-08-25 | 1,648.00 | 1,714.00 | 1,622.00 | 1,711.00 | 1,711.00 | 42,988 |
| 2026-08-24 | 1,666.00 | 1,716.00 | 1,647.00 | 1,648.00 | 1,648.00 | 24,156 |
| 2026-08-21 | 1,754.00 | 1,754.00 | 1,655.00 | 1,666.00 | 1,666.00 | 54,453 |
| 2026-08-20 | 1,800.00 | 1,800.00 | 1,715.00 | 1,726.00 | 1,726.00 | 33,242 |
| 2026-08-19 | 1,762.00 | 1,770.00 | 1,695.00 | 1,726.00 | 1,726.00 | 57,869 |
| 2026-08-18 | 1,765.00 | 1,790.00 | 1,711.00 | 1,762.00 | 1,762.00 | 93,309 |
| 2026-08-14 | 1,735.00 | 1,789.00 | 1,709.00 | 1,762.00 | 1,762.00 | 50,113 |
| 2026-08-13 | 1,784.00 | 1,788.00 | 1,717.00 | 1,732.00 | 1,732.00 | 66,171 |
| 2026-08-12 | 1,802.00 | 1,815.00 | 1,726.00 | 1,766.00 | 1,766.00 | 194,591 |
| 2026-08-11 | 1,885.00 | 1,891.00 | 1,800.00 | 1,835.00 | 1,835.00 | 121,807 |
| 2026-08-10 | 1,925.00 | 1,998.00 | 1,733.00 | 1,885.00 | 1,885.00 | 593,644 |
| 2026-08-07 | 2,010.00 | 2,025.00 | 1,916.00 | 1,925.00 | 1,925.00 | 79,221 |
| 2026-08-06 | 2,070.00 | 2,070.00 | 1,983.00 | 2,010.00 | 2,010.00 | 72,646 |
| 2026-08-05 | 2,030.00 | 2,160.00 | 1,990.00 | 2,070.00 | 2,070.00 | 111,099 |
| 2026-08-04 | 1,863.00 | 2,095.00 | 1,863.00 | 2,030.00 | 2,030.00 | 128,313 |
| 2026-08-03 | 2,000.00 | 2,065.00 | 1,828.00 | 1,945.00 | 1,945.00 | 78,728 |
| 2026-07-31 | 1,996.00 | 2,130.00 | 1,965.00 | 1,998.00 | 1,998.00 | 145,237 |
| 2026-07-30 | 2,000.00 | 2,000.00 | 1,896.00 | 1,957.00 | 1,957.00 | 49,394 |
| 2026-07-29 | 2,100.00 | 2,145.00 | 1,891.00 | 1,938.00 | 1,938.00 | 157,649 |
| 2026-07-28 | 2,140.00 | 2,205.00 | 2,010.00 | 2,075.00 | 2,075.00 | 230,415 |
| 2026-07-27 | 2,200.00 | 2,355.00 | 2,115.00 | 2,140.00 | 2,140.00 | 376,231 |
| 2026-07-24 | 2,185.00 | 2,215.00 | 2,065.00 | 2,135.00 | 2,135.00 | 156,108 |
| 2026-07-23 | 2,085.00 | 2,210.00 | 2,050.00 | 2,140.00 | 2,140.00 | 205,638 |
| 2026-07-22 | 2,130.00 | 2,170.00 | 2,035.00 | 2,085.00 | 2,085.00 | 192,045 |
| 2026-07-21 | 1,879.00 | 2,205.00 | 1,862.00 | 2,085.00 | 2,085.00 | 660,082 |
Page 1 of 2 · 61 trading daysOlder →
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.