Optrontec Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-24 | 2,190.00 | 2,190.00 | 1,900.00 | 2,030.00 | 2,030.00 | 257,157 |
| 2025-10-23 | 2,140.00 | 2,140.00 | 2,030.00 | 2,100.00 | 2,100.00 | 157,146 |
| 2025-10-22 | 1,994.00 | 2,320.00 | 1,979.00 | 2,150.00 | 2,150.00 | 1,577,154 |
| 2025-10-21 | 2,000.00 | 2,025.00 | 1,978.00 | 1,992.00 | 1,992.00 | 137,653 |
| 2025-10-20 | 1,760.00 | 2,095.00 | 1,760.00 | 1,995.00 | 1,995.00 | 726,771 |
| 2025-10-17 | 1,809.00 | 1,817.00 | 1,730.00 | 1,760.00 | 1,760.00 | 176,274 |
| 2025-10-16 | 1,805.00 | 1,849.00 | 1,799.00 | 1,810.00 | 1,810.00 | 53,424 |
| 2025-10-15 | 1,858.00 | 1,899.00 | 1,800.00 | 1,832.00 | 1,832.00 | 59,184 |
| 2025-10-14 | 1,922.00 | 1,969.00 | 1,820.00 | 1,858.00 | 1,858.00 | 170,757 |
| 2025-10-13 | 1,983.00 | 1,983.00 | 1,915.00 | 1,922.00 | 1,922.00 | 72,683 |
| 2025-10-10 | 2,005.00 | 2,005.00 | 1,956.00 | 1,990.00 | 1,990.00 | 51,729 |
| 2025-10-02 | 1,961.00 | 2,005.00 | 1,961.00 | 2,005.00 | 2,005.00 | 81,430 |
| 2025-10-01 | 2,010.00 | 2,010.00 | 1,945.00 | 1,980.00 | 1,980.00 | 53,996 |
| 2025-09-30 | 2,010.00 | 2,030.00 | 1,980.00 | 1,997.00 | 1,997.00 | 60,878 |
| 2025-09-29 | 2,005.00 | 2,035.00 | 1,990.00 | 2,005.00 | 2,005.00 | 34,678 |
| 2025-09-26 | 2,050.00 | 2,060.00 | 1,920.00 | 1,994.00 | 1,994.00 | 84,170 |
| 2025-09-25 | 2,065.00 | 2,150.00 | 2,060.00 | 2,065.00 | 2,065.00 | 75,964 |
| 2025-09-24 | 2,050.00 | 2,130.00 | 2,035.00 | 2,065.00 | 2,065.00 | 86,580 |
| 2025-09-23 | 2,145.00 | 2,145.00 | 2,045.00 | 2,050.00 | 2,050.00 | 86,430 |
| 2025-09-22 | 2,040.00 | 2,195.00 | 1,920.00 | 2,120.00 | 2,120.00 | 192,577 |
| 2025-09-19 | 2,025.00 | 2,060.00 | 2,005.00 | 2,045.00 | 2,045.00 | 64,259 |
| 2025-09-18 | 2,000.00 | 2,055.00 | 1,995.00 | 2,030.00 | 2,030.00 | 92,708 |
| 2025-09-17 | 1,935.00 | 2,035.00 | 1,920.00 | 2,000.00 | 2,000.00 | 113,680 |
| 2025-09-16 | 1,915.00 | 1,955.00 | 1,906.00 | 1,935.00 | 1,935.00 | 53,939 |
| 2025-09-15 | 1,928.00 | 1,938.00 | 1,913.00 | 1,915.00 | 1,915.00 | 42,817 |
| 2025-09-12 | 1,901.00 | 1,928.00 | 1,870.00 | 1,915.00 | 1,915.00 | 65,432 |
| 2025-09-11 | 1,905.00 | 1,910.00 | 1,881.00 | 1,897.00 | 1,897.00 | 47,696 |
| 2025-09-10 | 1,900.00 | 1,913.00 | 1,870.00 | 1,908.00 | 1,908.00 | 89,302 |
| 2025-09-09 | 1,940.00 | 1,945.00 | 1,890.00 | 1,909.00 | 1,909.00 | 104,037 |
| 2025-09-08 | 2,000.00 | 2,380.00 | 1,907.00 | 1,940.00 | 1,940.00 | 1,334,401 |
| 2025-09-05 | 1,894.00 | 1,929.00 | 1,785.00 | 1,918.00 | 1,918.00 | 67,798 |
| 2025-09-04 | 1,905.00 | 1,905.00 | 1,870.00 | 1,880.00 | 1,880.00 | 32,525 |
| 2025-09-03 | 1,910.00 | 1,960.00 | 1,900.00 | 1,905.00 | 1,905.00 | 20,245 |
| 2025-09-02 | 1,932.00 | 1,935.00 | 1,875.00 | 1,910.00 | 1,910.00 | 37,037 |
| 2025-09-01 | 2,035.00 | 2,040.00 | 1,918.00 | 1,932.00 | 1,932.00 | 28,121 |
| 2025-08-29 | 1,985.00 | 1,999.00 | 1,957.00 | 1,965.00 | 1,965.00 | 22,189 |
| 2025-08-28 | 1,993.00 | 2,010.00 | 1,967.00 | 1,985.00 | 1,985.00 | 25,162 |
| 2025-08-27 | 1,976.00 | 2,055.00 | 1,968.00 | 2,010.00 | 2,010.00 | 71,984 |
| 2025-08-26 | 2,035.00 | 2,040.00 | 1,961.00 | 1,976.00 | 1,976.00 | 50,808 |
| 2025-08-25 | 2,045.00 | 2,085.00 | 2,015.00 | 2,035.00 | 2,035.00 | 40,239 |
| 2025-08-22 | 1,987.00 | 2,035.00 | 1,972.00 | 2,010.00 | 2,010.00 | 74,144 |
| 2025-08-21 | 1,984.00 | 1,994.00 | 1,952.00 | 1,987.00 | 1,987.00 | 42,017 |
| 2025-08-20 | 1,970.00 | 1,992.00 | 1,874.00 | 1,984.00 | 1,984.00 | 81,249 |
| 2025-08-19 | 1,982.00 | 2,020.00 | 1,960.00 | 1,965.00 | 1,965.00 | 56,444 |
| 2025-08-18 | 1,987.00 | 2,045.00 | 1,951.00 | 1,992.00 | 1,992.00 | 122,685 |
| 2025-08-14 | 2,050.00 | 2,050.00 | 1,972.00 | 1,987.00 | 1,987.00 | 114,064 |
| 2025-08-13 | 1,979.00 | 2,060.00 | 1,850.00 | 2,055.00 | 2,055.00 | 138,644 |
| 2025-08-12 | 1,954.00 | 2,000.00 | 1,931.00 | 1,962.00 | 1,962.00 | 119,092 |
| 2025-08-11 | 1,870.00 | 2,095.00 | 1,825.00 | 2,000.00 | 2,000.00 | 817,661 |
| 2025-08-08 | 1,776.00 | 1,830.00 | 1,761.00 | 1,824.00 | 1,824.00 | 158,868 |
| 2025-08-07 | 1,734.00 | 1,799.00 | 1,734.00 | 1,781.00 | 1,781.00 | 129,790 |
| 2025-08-06 | 1,650.00 | 1,724.00 | 1,623.00 | 1,716.00 | 1,716.00 | 124,120 |
| 2025-08-05 | 1,643.00 | 1,669.00 | 1,613.00 | 1,650.00 | 1,650.00 | 49,318 |
| 2025-08-04 | 1,596.00 | 1,682.00 | 1,581.00 | 1,643.00 | 1,643.00 | 92,069 |
| 2025-08-01 | 1,649.00 | 1,650.00 | 1,575.00 | 1,590.00 | 1,590.00 | 48,304 |
| 2025-07-31 | 1,650.00 | 1,664.00 | 1,629.00 | 1,649.00 | 1,649.00 | 20,712 |
| 2025-07-30 | 1,640.00 | 1,669.00 | 1,606.00 | 1,650.00 | 1,650.00 | 27,963 |
| 2025-07-29 | 1,627.00 | 1,656.00 | 1,605.00 | 1,640.00 | 1,640.00 | 23,253 |
| 2025-07-28 | 1,652.00 | 1,670.00 | 1,625.00 | 1,627.00 | 1,627.00 | 30,836 |
| 2025-07-25 | 1,660.00 | 1,726.00 | 1,642.00 | 1,652.00 | 1,652.00 | 15,237 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2020-12-29 | 30.0000 KRW |
| 2019-12-27 | 30.0000 KRW |
Open, high, low and close are as traded (KRW). Adjusted close accounts for splits and dividends. Educational only, not financial advice.