OPTRONTEC Inc. (KOSDAQ:082210)
1,694.00
-17.00 (-0.99%)
Oct 23, 2026, 3:09 PM KST
OPTRONTEC Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | 1,730.00 | 1,730.00 | 1,598.00 | 1,694.00 | 1,694.00 | -0.99% | 18,882 |
| Oct 22, 2026 | 1,741.00 | 1,741.00 | 1,686.00 | 1,711.00 | 1,711.00 | 0.41% | 18,869 |
| Oct 21, 2026 | 1,743.00 | 1,743.00 | 1,683.00 | 1,704.00 | 1,704.00 | 0.29% | 7,533 |
| Oct 20, 2026 | 1,712.00 | 1,774.00 | 1,681.00 | 1,699.00 | 1,699.00 | -0.76% | 28,507 |
| Oct 19, 2026 | 1,776.00 | 1,776.00 | 1,697.00 | 1,712.00 | 1,712.00 | -0.81% | 19,899 |
| Oct 16, 2026 | 1,660.00 | 1,730.00 | 1,660.00 | 1,726.00 | 1,726.00 | 3.98% | 20,778 |
| Oct 15, 2026 | 1,744.00 | 1,744.00 | 1,650.00 | 1,660.00 | 1,660.00 | -4.82% | 41,929 |
| Oct 14, 2026 | 1,709.00 | 1,795.00 | 1,700.00 | 1,744.00 | 1,744.00 | 2.05% | 4,286 |
| Oct 13, 2026 | 1,735.00 | 1,735.00 | 1,672.00 | 1,709.00 | 1,709.00 | -1.50% | 25,098 |
| Oct 12, 2026 | 1,828.00 | 1,837.00 | 1,735.00 | 1,735.00 | 1,735.00 | -5.09% | 32,254 |
| Oct 8, 2026 | 1,816.00 | 1,845.00 | 1,816.00 | 1,828.00 | 1,828.00 | 0.66% | 37,364 |
| Oct 7, 2026 | 1,813.00 | 1,820.00 | 1,768.00 | 1,816.00 | 1,816.00 | 1.79% | 49,515 |
| Oct 6, 2026 | 1,810.00 | 1,810.00 | 1,705.00 | 1,784.00 | 1,784.00 | -0.61% | 49,176 |
| 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 |