OPTRONTEC Inc. (KOSDAQ:082210)
South Korea · Delayed Price · Currency is KRW 1,835.00
-50.00 (-2.65%)
Aug 11, 2026, 3:30 PM KST
OPTRONTEC Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | 1,925.00 | 1,998.00 | 1,733.00 | 1,885.00 | 1,885.00 | -2.08% | 593,644 |
| Aug 7, 2026 | 2,010.00 | 2,025.00 | 1,916.00 | 1,925.00 | 1,925.00 | -4.23% | 79,221 |
| Aug 6, 2026 | 2,070.00 | 2,070.00 | 1,983.00 | 2,010.00 | 2,010.00 | -2.90% | 72,646 |
| Aug 5, 2026 | 2,030.00 | 2,160.00 | 1,990.00 | 2,070.00 | 2,070.00 | 1.97% | 111,099 |
| Aug 4, 2026 | 1,863.00 | 2,095.00 | 1,863.00 | 2,030.00 | 2,030.00 | 4.37% | 128,313 |
| Aug 3, 2026 | 2,000.00 | 2,065.00 | 1,828.00 | 1,945.00 | 1,945.00 | -2.65% | 78,692 |
| Jul 31, 2026 | 1,996.00 | 2,130.00 | 1,965.00 | 1,998.00 | 1,998.00 | 2.10% | 145,199 |
| Jul 30, 2026 | 2,000.00 | 2,000.00 | 1,896.00 | 1,957.00 | 1,957.00 | 0.98% | 49,394 |
| Jul 29, 2026 | 2,100.00 | 2,145.00 | 1,891.00 | 1,938.00 | 1,938.00 | -6.60% | 157,649 |
| Jul 28, 2026 | 2,140.00 | 2,205.00 | 2,010.00 | 2,075.00 | 2,075.00 | -3.04% | 230,415 |
| Jul 27, 2026 | 2,200.00 | 2,355.00 | 2,115.00 | 2,140.00 | 2,140.00 | 0.23% | 375,860 |
| Jul 24, 2026 | 2,185.00 | 2,215.00 | 2,065.00 | 2,135.00 | 2,135.00 | -0.23% | 155,915 |
| Jul 23, 2026 | 2,085.00 | 2,210.00 | 2,050.00 | 2,140.00 | 2,140.00 | 2.64% | 203,988 |
| Jul 22, 2026 | 2,130.00 | 2,170.00 | 2,035.00 | 2,085.00 | 2,085.00 | - | 191,962 |
| Jul 21, 2026 | 1,879.00 | 2,205.00 | 1,862.00 | 2,085.00 | 2,085.00 | 10.61% | 659,764 |
| Jul 20, 2026 | 1,901.00 | 1,997.00 | 1,802.00 | 1,885.00 | 1,885.00 | -1.87% | 194,193 |
| Jul 16, 2026 | 1,976.00 | 2,000.00 | 1,900.00 | 1,921.00 | 1,921.00 | -2.78% | 176,374 |
| Jul 15, 2026 | 1,950.00 | 2,050.00 | 1,920.00 | 1,976.00 | 1,976.00 | 1.33% | 170,848 |
| Jul 14, 2026 | 1,944.00 | 2,115.00 | 1,876.00 | 1,950.00 | 1,950.00 | 0.31% | 325,248 |
| Jul 13, 2026 | 1,880.00 | 2,000.00 | 1,780.00 | 1,944.00 | 1,944.00 | 2.86% | 475,810 |
| Jul 10, 2026 | 1,755.00 | 2,070.00 | 1,724.00 | 1,890.00 | 1,890.00 | 7.69% | 743,448 |
| Jul 9, 2026 | 1,658.00 | 1,866.00 | 1,527.00 | 1,755.00 | 1,755.00 | 11.93% | 452,181 |
| Jul 8, 2026 | 1,640.00 | 1,686.00 | 1,549.00 | 1,568.00 | 1,568.00 | -5.20% | 80,331 |
| Jul 7, 2026 | 1,760.00 | 1,884.00 | 1,650.00 | 1,654.00 | 1,654.00 | -6.02% | 255,059 |
| Jul 6, 2026 | 1,523.00 | 1,919.00 | 1,523.00 | 1,760.00 | 1,760.00 | 16.25% | 980,386 |
| Jul 3, 2026 | 1,500.00 | 1,581.00 | 1,463.00 | 1,514.00 | 1,514.00 | 0.93% | 121,303 |
| Jul 2, 2026 | 1,670.00 | 1,670.00 | 1,450.00 | 1,500.00 | 1,500.00 | -2.28% | 141,001 |
| Jul 1, 2026 | 1,733.00 | 1,733.00 | 1,528.00 | 1,535.00 | 1,535.00 | -11.53% | 153,485 |
| Jun 30, 2026 | 1,778.00 | 1,835.00 | 1,650.00 | 1,735.00 | 1,735.00 | -2.42% | 137,618 |
| Jun 29, 2026 | 1,760.00 | 1,930.00 | 1,629.00 | 1,778.00 | 1,778.00 | 1.02% | 448,513 |
| Jun 26, 2026 | 1,527.00 | 1,800.00 | 1,488.00 | 1,760.00 | 1,760.00 | 15.26% | 1,272,757 |
| Jun 25, 2026 | 1,330.00 | 1,707.00 | 1,328.00 | 1,527.00 | 1,527.00 | 16.21% | 2,430,974 |
| Jun 24, 2026 | 1,292.00 | 1,327.00 | 1,241.00 | 1,314.00 | 1,314.00 | 1.70% | 81,488 |
| Jun 23, 2026 | 1,337.00 | 1,337.00 | 1,252.00 | 1,292.00 | 1,292.00 | -3.37% | 118,534 |
| Jun 22, 2026 | 1,400.00 | 1,435.00 | 1,270.00 | 1,337.00 | 1,337.00 | 2.85% | 206,068 |
| Jun 19, 2026 | 1,367.00 | 1,367.00 | 1,276.00 | 1,300.00 | 1,300.00 | -4.90% | 93,148 |
| Jun 18, 2026 | 1,485.00 | 1,488.00 | 1,363.00 | 1,367.00 | 1,367.00 | -4.87% | 109,625 |
| Jun 17, 2026 | 1,401.00 | 1,579.00 | 1,369.00 | 1,437.00 | 1,437.00 | 1.55% | 83,895 |
| Jun 16, 2026 | 1,439.00 | 1,448.00 | 1,385.00 | 1,415.00 | 1,415.00 | -0.63% | 67,582 |
| Jun 15, 2026 | 1,474.00 | 1,522.00 | 1,422.00 | 1,424.00 | 1,424.00 | -3.33% | 59,583 |
| Jun 12, 2026 | 1,479.00 | 1,526.00 | 1,442.00 | 1,473.00 | 1,473.00 | -0.27% | 71,994 |
| Jun 11, 2026 | 1,422.00 | 1,530.00 | 1,378.00 | 1,477.00 | 1,477.00 | 3.87% | 113,863 |
| Jun 10, 2026 | 1,553.00 | 1,553.00 | 1,410.00 | 1,422.00 | 1,422.00 | -8.44% | 120,621 |
| Jun 9, 2026 | 1,490.00 | 1,558.00 | 1,412.00 | 1,553.00 | 1,553.00 | 10.61% | 146,038 |
| Jun 8, 2026 | 1,456.00 | 1,560.00 | 1,357.00 | 1,404.00 | 1,404.00 | -3.57% | 221,560 |
| Jun 5, 2026 | 1,430.00 | 1,549.00 | 1,360.00 | 1,456.00 | 1,456.00 | 1.82% | 194,659 |
| Jun 4, 2026 | 1,524.00 | 1,524.00 | 1,424.00 | 1,430.00 | 1,430.00 | -6.17% | 257,238 |
| Jun 2, 2026 | 1,607.00 | 1,618.00 | 1,480.00 | 1,524.00 | 1,524.00 | -2.37% | 178,122 |
| Jun 1, 2026 | 1,618.00 | 1,688.00 | 1,553.00 | 1,561.00 | 1,561.00 | -2.86% | 249,095 |
| May 29, 2026 | 1,723.00 | 1,723.00 | 1,602.00 | 1,607.00 | 1,607.00 | -4.57% | 169,408 |