OPTRONTEC Inc. (KOSDAQ:082210)
1,638.00
+52.00 (3.28%)
Nov 20, 2025, 3:30 PM KST
OPTRONTEC Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Nov 20, 2025 | 1,685.00 | 1,685.00 | 1,589.00 | 1,638.00 | - | 3.28% | 19,542 |
| Nov 19, 2025 | 1,632.00 | 1,650.00 | 1,585.00 | 1,586.00 | 1,586.00 | -2.82% | 63,321 |
| Nov 18, 2025 | 1,699.00 | 1,699.00 | 1,613.00 | 1,632.00 | 1,632.00 | -2.86% | 49,241 |
| Nov 17, 2025 | 1,695.00 | 1,728.00 | 1,676.00 | 1,680.00 | 1,680.00 | -0.59% | 54,663 |
| Nov 14, 2025 | 1,733.00 | 1,733.00 | 1,675.00 | 1,690.00 | 1,690.00 | -2.48% | 43,223 |
| Nov 13, 2025 | 1,740.00 | 1,742.00 | 1,680.00 | 1,733.00 | 1,733.00 | 0.29% | 58,387 |
| Nov 12, 2025 | 1,682.00 | 1,740.00 | 1,670.00 | 1,728.00 | 1,728.00 | 2.80% | 57,432 |
| Nov 11, 2025 | 1,770.00 | 1,770.00 | 1,672.00 | 1,681.00 | 1,681.00 | -3.94% | 155,982 |
| Nov 10, 2025 | 1,780.00 | 1,819.00 | 1,738.00 | 1,750.00 | 1,750.00 | -1.69% | 97,715 |
| Nov 7, 2025 | 1,834.00 | 1,835.00 | 1,750.00 | 1,780.00 | 1,780.00 | -2.94% | 192,120 |
| Nov 6, 2025 | 1,871.00 | 1,920.00 | 1,819.00 | 1,834.00 | 1,834.00 | -1.93% | 86,004 |
| Nov 5, 2025 | 1,935.00 | 1,935.00 | 1,820.00 | 1,870.00 | 1,870.00 | -3.26% | 249,376 |
| Nov 4, 2025 | 1,917.00 | 2,170.00 | 1,917.00 | 1,933.00 | 1,933.00 | 0.83% | 802,520 |
| Nov 3, 2025 | 1,938.00 | 2,020.00 | 1,892.00 | 1,917.00 | 1,917.00 | -0.57% | 170,312 |
| Oct 31, 2025 | 1,861.00 | 1,938.00 | 1,850.00 | 1,928.00 | 1,928.00 | 3.27% | 95,083 |
| Oct 30, 2025 | 1,935.00 | 1,935.00 | 1,864.00 | 1,867.00 | 1,867.00 | -3.41% | 131,988 |
| Oct 29, 2025 | 1,990.00 | 2,000.00 | 1,921.00 | 1,933.00 | 1,933.00 | -2.86% | 108,348 |
| Oct 28, 2025 | 2,000.00 | 2,015.00 | 1,962.00 | 1,990.00 | 1,990.00 | -1.24% | 91,137 |
| Oct 27, 2025 | 2,090.00 | 2,180.00 | 1,971.00 | 2,015.00 | 2,015.00 | -0.74% | 296,791 |
| Oct 24, 2025 | 2,190.00 | 2,190.00 | 1,900.00 | 2,030.00 | 2,030.00 | -3.33% | 257,157 |
| Oct 23, 2025 | 2,140.00 | 2,140.00 | 2,030.00 | 2,100.00 | 2,100.00 | -2.33% | 157,146 |
| Oct 22, 2025 | 1,994.00 | 2,320.00 | 1,979.00 | 2,150.00 | 2,150.00 | 7.93% | 1,577,154 |
| Oct 21, 2025 | 2,000.00 | 2,025.00 | 1,978.00 | 1,992.00 | 1,992.00 | -0.15% | 137,653 |
| Oct 20, 2025 | 1,760.00 | 2,095.00 | 1,760.00 | 1,995.00 | 1,995.00 | 13.35% | 726,771 |
| Oct 17, 2025 | 1,809.00 | 1,817.00 | 1,730.00 | 1,760.00 | 1,760.00 | -2.76% | 176,274 |
| Oct 16, 2025 | 1,805.00 | 1,849.00 | 1,799.00 | 1,810.00 | 1,810.00 | -1.20% | 53,424 |
| Oct 15, 2025 | 1,858.00 | 1,899.00 | 1,800.00 | 1,832.00 | 1,832.00 | -1.40% | 59,184 |
| Oct 14, 2025 | 1,922.00 | 1,969.00 | 1,820.00 | 1,858.00 | 1,858.00 | -3.33% | 170,757 |
| Oct 13, 2025 | 1,983.00 | 1,983.00 | 1,915.00 | 1,922.00 | 1,922.00 | -3.42% | 72,683 |
| Oct 10, 2025 | 2,005.00 | 2,005.00 | 1,956.00 | 1,990.00 | 1,990.00 | -0.75% | 51,729 |
| Oct 2, 2025 | 1,961.00 | 2,005.00 | 1,961.00 | 2,005.00 | 2,005.00 | 1.26% | 81,430 |
| Oct 1, 2025 | 2,010.00 | 2,010.00 | 1,945.00 | 1,980.00 | 1,980.00 | -0.85% | 53,996 |
| Sep 30, 2025 | 2,010.00 | 2,030.00 | 1,980.00 | 1,997.00 | 1,997.00 | -0.40% | 60,878 |
| Sep 29, 2025 | 2,005.00 | 2,035.00 | 1,990.00 | 2,005.00 | 2,005.00 | 0.55% | 34,678 |
| Sep 26, 2025 | 2,050.00 | 2,060.00 | 1,920.00 | 1,994.00 | 1,994.00 | -3.44% | 84,170 |
| Sep 25, 2025 | 2,065.00 | 2,150.00 | 2,060.00 | 2,065.00 | 2,065.00 | - | 75,964 |
| Sep 24, 2025 | 2,050.00 | 2,130.00 | 2,035.00 | 2,065.00 | 2,065.00 | 0.73% | 86,580 |
| Sep 23, 2025 | 2,145.00 | 2,145.00 | 2,045.00 | 2,050.00 | 2,050.00 | -3.30% | 86,430 |
| Sep 22, 2025 | 2,040.00 | 2,195.00 | 1,920.00 | 2,120.00 | 2,120.00 | 3.67% | 192,577 |
| Sep 19, 2025 | 2,025.00 | 2,060.00 | 2,005.00 | 2,045.00 | 2,045.00 | 0.74% | 64,259 |
| Sep 18, 2025 | 2,000.00 | 2,055.00 | 1,995.00 | 2,030.00 | 2,030.00 | 1.50% | 92,708 |
| Sep 17, 2025 | 1,935.00 | 2,035.00 | 1,920.00 | 2,000.00 | 2,000.00 | 3.36% | 113,680 |
| Sep 16, 2025 | 1,915.00 | 1,955.00 | 1,906.00 | 1,935.00 | 1,935.00 | 1.04% | 53,939 |
| Sep 15, 2025 | 1,928.00 | 1,938.00 | 1,913.00 | 1,915.00 | 1,915.00 | - | 42,817 |
| Sep 12, 2025 | 1,901.00 | 1,928.00 | 1,870.00 | 1,915.00 | 1,915.00 | 0.95% | 65,432 |
| Sep 11, 2025 | 1,905.00 | 1,910.00 | 1,881.00 | 1,897.00 | 1,897.00 | -0.58% | 47,696 |
| Sep 10, 2025 | 1,900.00 | 1,913.00 | 1,870.00 | 1,908.00 | 1,908.00 | -0.05% | 89,302 |
| Sep 9, 2025 | 1,940.00 | 1,945.00 | 1,890.00 | 1,909.00 | 1,909.00 | -1.60% | 104,037 |
| Sep 8, 2025 | 2,000.00 | 2,380.00 | 1,907.00 | 1,940.00 | 1,940.00 | 1.15% | 1,334,401 |
| Sep 5, 2025 | 1,894.00 | 1,929.00 | 1,785.00 | 1,918.00 | 1,918.00 | 2.02% | 67,798 |