OPTRONTEC Inc. (KOSDAQ:082210)
 1,886.00
 +19.00 (1.02%)
  Oct 31, 2025, 1:40 PM KST
OPTRONTEC Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume | 
|---|---|---|---|---|---|---|---|
| Oct 30, 2025 | 1,935.00 | 1,935.00 | 1,864.00 | 1,872.00 | - | -3.16% | 94,337 | 
| Oct 29, 2025 | 1,990.00 | 2,000.00 | 1,921.00 | 1,933.00 | 1,933.00 | -2.86% | 107,769 | 
| 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% | 257,290 | 
| Oct 23, 2025 | 2,140.00 | 2,140.00 | 2,030.00 | 2,100.00 | 2,100.00 | -2.33% | 161,967 | 
| 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% | 732,460 | 
| 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% | 53,779 | 
| Oct 15, 2025 | 1,858.00 | 1,899.00 | 1,800.00 | 1,832.00 | 1,832.00 | -1.40% | 59,615 | 
| Oct 14, 2025 | 1,922.00 | 1,969.00 | 1,820.00 | 1,858.00 | 1,858.00 | -3.33% | 172,191 | 
| Oct 13, 2025 | 1,983.00 | 1,983.00 | 1,915.00 | 1,922.00 | 1,922.00 | -3.42% | 74,303 | 
| Oct 10, 2025 | 2,005.00 | 2,005.00 | 1,956.00 | 1,990.00 | 1,990.00 | -0.75% | 52,340 | 
| 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% | 54,534 | 
| Sep 30, 2025 | 2,010.00 | 2,030.00 | 1,980.00 | 1,997.00 | 1,997.00 | -0.40% | 62,907 | 
| 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% | 84,779 | 
| 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% | 92,207 | 
| Sep 23, 2025 | 2,145.00 | 2,145.00 | 2,045.00 | 2,050.00 | 2,050.00 | -3.30% | 88,084 | 
| Sep 22, 2025 | 2,040.00 | 2,195.00 | 1,920.00 | 2,120.00 | 2,120.00 | 3.67% | 193,703 | 
| Sep 19, 2025 | 2,025.00 | 2,060.00 | 2,005.00 | 2,045.00 | 2,045.00 | 0.74% | 65,183 | 
| 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% | 55,246 | 
| Sep 15, 2025 | 1,928.00 | 1,938.00 | 1,913.00 | 1,915.00 | 1,915.00 | - | 44,955 | 
| Sep 12, 2025 | 1,901.00 | 1,928.00 | 1,870.00 | 1,915.00 | 1,915.00 | 0.95% | 66,599 | 
| Sep 11, 2025 | 1,905.00 | 1,910.00 | 1,881.00 | 1,897.00 | 1,897.00 | -0.58% | 47,850 | 
| Sep 10, 2025 | 1,900.00 | 1,913.00 | 1,870.00 | 1,908.00 | 1,908.00 | -0.05% | 89,451 | 
| Sep 9, 2025 | 1,940.00 | 1,945.00 | 1,890.00 | 1,909.00 | 1,909.00 | -1.60% | 104,144 | 
| Sep 8, 2025 | 2,000.00 | 2,380.00 | 1,907.00 | 1,940.00 | 1,940.00 | 1.15% | 1,340,866 | 
| Sep 5, 2025 | 1,894.00 | 1,929.00 | 1,785.00 | 1,918.00 | 1,918.00 | 2.02% | 67,798 | 
| Sep 4, 2025 | 1,905.00 | 1,905.00 | 1,870.00 | 1,880.00 | 1,880.00 | -1.31% | 32,525 | 
| Sep 3, 2025 | 1,910.00 | 1,960.00 | 1,900.00 | 1,905.00 | 1,905.00 | -0.26% | 20,245 | 
| Sep 2, 2025 | 1,932.00 | 1,935.00 | 1,875.00 | 1,910.00 | 1,910.00 | -1.14% | 37,331 | 
| Sep 1, 2025 | 2,035.00 | 2,040.00 | 1,918.00 | 1,932.00 | 1,932.00 | -1.68% | 28,328 | 
| Aug 29, 2025 | 1,985.00 | 1,999.00 | 1,957.00 | 1,965.00 | 1,965.00 | -1.01% | 23,365 | 
| Aug 28, 2025 | 1,993.00 | 2,010.00 | 1,967.00 | 1,985.00 | 1,985.00 | -1.24% | 25,162 | 
| Aug 27, 2025 | 1,976.00 | 2,055.00 | 1,968.00 | 2,010.00 | 2,010.00 | 1.72% | 72,578 | 
| Aug 26, 2025 | 2,035.00 | 2,040.00 | 1,961.00 | 1,976.00 | 1,976.00 | -2.90% | 50,808 | 
| Aug 25, 2025 | 2,045.00 | 2,085.00 | 2,015.00 | 2,035.00 | 2,035.00 | 1.24% | 40,239 | 
| Aug 22, 2025 | 1,987.00 | 2,035.00 | 1,972.00 | 2,010.00 | 2,010.00 | 1.16% | 74,237 | 
| Aug 21, 2025 | 1,984.00 | 1,994.00 | 1,952.00 | 1,987.00 | 1,987.00 | 0.15% | 42,017 | 
| Aug 20, 2025 | 1,970.00 | 1,992.00 | 1,874.00 | 1,984.00 | 1,984.00 | 0.97% | 82,643 | 
| Aug 19, 2025 | 1,982.00 | 2,020.00 | 1,960.00 | 1,965.00 | 1,965.00 | -1.36% | 56,785 | 
| Aug 18, 2025 | 1,987.00 | 2,045.00 | 1,951.00 | 1,992.00 | 1,992.00 | 0.25% | 122,872 | 
| Aug 14, 2025 | 2,050.00 | 2,050.00 | 1,972.00 | 1,987.00 | 1,987.00 | -3.31% | 114,064 |