OPTRONTEC Inc. (KOSDAQ:082210)
1,795.00
+37.00 (2.10%)
Oct 2, 2026, 3:30 PM KST
OPTRONTEC Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 1,758.00 | 1,795.00 | 1,750.00 | 1,795.00 | 1,795.00 | 2.10% | 48,178 |
| Oct 1, 2026 | 1,820.00 | 1,820.00 | 1,723.00 | 1,758.00 | 1,758.00 | 0.74% | 13,802 |
| Sep 30, 2026 | 1,696.00 | 1,747.00 | 1,696.00 | 1,745.00 | 1,745.00 | 2.59% | 24,841 |
| Sep 29, 2026 | 1,746.00 | 1,778.00 | 1,692.00 | 1,701.00 | 1,701.00 | -2.63% | 23,810 |
| Sep 28, 2026 | 1,799.00 | 1,799.00 | 1,711.00 | 1,747.00 | 1,747.00 | -1.69% | 20,959 |
| Sep 23, 2026 | 1,778.00 | 1,812.00 | 1,730.00 | 1,777.00 | 1,777.00 | - | 31,432 |
| Sep 22, 2026 | 1,814.00 | 1,847.00 | 1,776.00 | 1,777.00 | 1,777.00 | -2.04% | 35,457 |
| Sep 21, 2026 | 1,818.00 | 1,905.00 | 1,710.00 | 1,814.00 | 1,814.00 | 0.17% | 113,901 |
| Sep 18, 2026 | 1,756.00 | 1,825.00 | 1,756.00 | 1,811.00 | 1,811.00 | 3.13% | 56,465 |
| Sep 17, 2026 | 1,722.00 | 1,775.00 | 1,722.00 | 1,756.00 | 1,756.00 | 1.97% | 30,674 |
| Sep 16, 2026 | 1,750.00 | 1,763.00 | 1,700.00 | 1,722.00 | 1,722.00 | -1.88% | 34,589 |
| Sep 15, 2026 | 1,730.00 | 1,771.00 | 1,697.00 | 1,755.00 | 1,755.00 | 2.51% | 49,015 |
| Sep 14, 2026 | 1,667.00 | 1,735.00 | 1,645.00 | 1,712.00 | 1,712.00 | 2.70% | 29,054 |
| Sep 11, 2026 | 1,665.00 | 1,701.00 | 1,594.00 | 1,667.00 | 1,667.00 | 0.48% | 87,755 |
| Sep 10, 2026 | 1,700.00 | 1,700.00 | 1,645.00 | 1,659.00 | 1,659.00 | -0.72% | 47,182 |
| Sep 9, 2026 | 1,650.00 | 1,749.00 | 1,636.00 | 1,671.00 | 1,671.00 | 1.27% | 156,113 |
| Sep 8, 2026 | 1,667.00 | 1,674.00 | 1,623.00 | 1,650.00 | 1,650.00 | -1.32% | 64,254 |
| Sep 7, 2026 | 1,682.00 | 1,850.00 | 1,645.00 | 1,672.00 | 1,672.00 | -0.59% | 177,686 |
| Sep 4, 2026 | 1,660.00 | 1,704.00 | 1,660.00 | 1,682.00 | 1,682.00 | 1.33% | 12,095 |
| Sep 3, 2026 | 1,713.00 | 1,739.00 | 1,657.00 | 1,660.00 | 1,660.00 | -3.04% | 67,928 |
| Sep 2, 2026 | 1,690.00 | 1,740.00 | 1,682.00 | 1,712.00 | 1,712.00 | -2.89% | 17,075 |
| Sep 1, 2026 | 1,698.00 | 1,763.00 | 1,691.00 | 1,763.00 | 1,763.00 | 3.83% | 14,962 |
| Aug 31, 2026 | 1,774.00 | 1,775.00 | 1,698.00 | 1,698.00 | 1,698.00 | -4.39% | 27,530 |
| Aug 28, 2026 | 1,720.00 | 1,780.00 | 1,652.00 | 1,776.00 | 1,776.00 | 3.92% | 52,714 |
| Aug 27, 2026 | 1,708.00 | 1,723.00 | 1,658.00 | 1,709.00 | 1,709.00 | 0.06% | 22,716 |
| Aug 26, 2026 | 1,713.00 | 1,747.00 | 1,679.00 | 1,708.00 | 1,708.00 | -0.18% | 10,641 |
| Aug 25, 2026 | 1,648.00 | 1,714.00 | 1,622.00 | 1,711.00 | 1,711.00 | 3.82% | 42,988 |
| Aug 24, 2026 | 1,666.00 | 1,716.00 | 1,647.00 | 1,648.00 | 1,648.00 | -1.08% | 24,152 |
| Aug 21, 2026 | 1,754.00 | 1,754.00 | 1,655.00 | 1,666.00 | 1,666.00 | -3.48% | 54,453 |
| Aug 20, 2026 | 1,800.00 | 1,800.00 | 1,715.00 | 1,726.00 | 1,726.00 | - | 33,085 |
| Aug 19, 2026 | 1,762.00 | 1,770.00 | 1,695.00 | 1,726.00 | 1,726.00 | -2.04% | 57,863 |
| Aug 18, 2026 | 1,765.00 | 1,790.00 | 1,711.00 | 1,762.00 | 1,762.00 | - | 93,309 |
| Aug 14, 2026 | 1,735.00 | 1,789.00 | 1,709.00 | 1,762.00 | 1,762.00 | 1.73% | 50,113 |
| Aug 13, 2026 | 1,784.00 | 1,788.00 | 1,717.00 | 1,732.00 | 1,732.00 | -1.93% | 66,167 |
| Aug 12, 2026 | 1,802.00 | 1,815.00 | 1,726.00 | 1,766.00 | 1,766.00 | -3.76% | 194,591 |
| Aug 11, 2026 | 1,885.00 | 1,891.00 | 1,800.00 | 1,835.00 | 1,835.00 | -2.65% | 121,807 |
| 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 |