Optrontec Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-20 | 1,904.00 | 1,939.00 | 1,882.00 | 1,901.00 | 1,901.00 | 126,917 |
| 2026-04-17 | 1,998.00 | 1,998.00 | 1,880.00 | 1,903.00 | 1,903.00 | 157,516 |
| 2026-04-16 | 1,977.00 | 2,045.00 | 1,841.00 | 1,930.00 | 1,930.00 | 266,504 |
| 2026-04-15 | 1,921.00 | 1,973.00 | 1,896.00 | 1,935.00 | 1,935.00 | 197,237 |
| 2026-04-14 | 1,999.00 | 1,999.00 | 1,891.00 | 1,916.00 | 1,916.00 | 96,506 |
| 2026-04-13 | 1,951.00 | 1,995.00 | 1,910.00 | 1,926.00 | 1,926.00 | 133,886 |
| 2026-04-10 | 1,900.00 | 1,977.00 | 1,896.00 | 1,955.00 | 1,955.00 | 87,143 |
| 2026-04-09 | 1,957.00 | 1,957.00 | 1,891.00 | 1,896.00 | 1,896.00 | 53,445 |
| 2026-04-08 | 1,932.00 | 1,988.00 | 1,896.00 | 1,901.00 | 1,901.00 | 69,030 |
| 2026-04-07 | 1,939.00 | 1,947.00 | 1,890.00 | 1,892.00 | 1,892.00 | 43,166 |
| 2026-04-06 | 1,924.00 | 1,965.00 | 1,890.00 | 1,898.00 | 1,898.00 | 50,772 |
| 2026-04-03 | 1,901.00 | 1,959.00 | 1,901.00 | 1,924.00 | 1,924.00 | 36,936 |
| 2026-04-02 | 2,020.00 | 2,030.00 | 1,885.00 | 1,891.00 | 1,891.00 | 104,531 |
| 2026-04-01 | 1,941.00 | 2,035.00 | 1,941.00 | 2,020.00 | 2,020.00 | 75,665 |
| 2026-03-31 | 2,000.00 | 2,000.00 | 1,891.00 | 1,893.00 | 1,893.00 | 141,239 |
| 2026-03-30 | 2,040.00 | 2,040.00 | 1,900.00 | 1,990.00 | 1,990.00 | 76,142 |
| 2026-03-27 | 2,065.00 | 2,100.00 | 1,987.00 | 2,075.00 | 2,075.00 | 106,868 |
| 2026-03-26 | 2,030.00 | 2,105.00 | 2,000.00 | 2,070.00 | 2,070.00 | 122,352 |
| 2026-03-25 | 2,140.00 | 2,225.00 | 1,987.00 | 2,030.00 | 2,030.00 | 352,203 |
| 2026-03-24 | 2,120.00 | 2,280.00 | 2,085.00 | 2,130.00 | 2,130.00 | 388,649 |
| 2026-03-23 | 2,100.00 | 2,100.00 | 1,981.00 | 1,999.00 | 1,999.00 | 142,808 |
| 2026-03-20 | 2,085.00 | 2,155.00 | 2,020.00 | 2,100.00 | 2,100.00 | 164,727 |
| 2026-03-19 | 2,020.00 | 2,060.00 | 1,984.00 | 2,055.00 | 2,055.00 | 96,904 |
| 2026-03-18 | 2,020.00 | 2,100.00 | 1,986.00 | 2,035.00 | 2,035.00 | 89,664 |
| 2026-03-17 | 2,035.00 | 2,070.00 | 1,980.00 | 2,020.00 | 2,020.00 | 65,149 |
| 2026-03-16 | 2,010.00 | 2,120.00 | 1,970.00 | 2,030.00 | 2,030.00 | 83,787 |
| 2026-03-13 | 2,005.00 | 2,035.00 | 1,946.00 | 2,010.00 | 2,010.00 | 90,085 |
| 2026-03-12 | 2,080.00 | 2,080.00 | 1,945.00 | 2,020.00 | 2,020.00 | 80,359 |
| 2026-03-11 | 2,000.00 | 2,110.00 | 2,000.00 | 2,080.00 | 2,080.00 | 124,182 |
| 2026-03-10 | 2,000.00 | 2,080.00 | 1,960.00 | 1,981.00 | 1,981.00 | 58,783 |
| 2026-03-09 | 2,080.00 | 2,080.00 | 1,850.00 | 1,900.00 | 1,900.00 | 132,585 |
| 2026-03-06 | 2,095.00 | 2,120.00 | 2,000.00 | 2,090.00 | 2,090.00 | 116,927 |
| 2026-03-05 | 2,095.00 | 2,115.00 | 1,999.00 | 2,095.00 | 2,095.00 | 215,709 |
| 2026-03-04 | 2,100.00 | 2,190.00 | 1,827.00 | 1,844.00 | 1,844.00 | 363,240 |
| 2026-03-03 | 2,250.00 | 2,430.00 | 2,220.00 | 2,225.00 | 2,225.00 | 358,247 |
| 2026-02-27 | 2,390.00 | 2,450.00 | 2,260.00 | 2,315.00 | 2,315.00 | 132,428 |
| 2026-02-26 | 2,420.00 | 2,510.00 | 2,370.00 | 2,390.00 | 2,390.00 | 253,497 |
| 2026-02-25 | 2,300.00 | 2,540.00 | 2,300.00 | 2,400.00 | 2,400.00 | 347,163 |
| 2026-02-24 | 2,420.00 | 2,455.00 | 2,215.00 | 2,300.00 | 2,300.00 | 287,943 |
| 2026-02-23 | 2,350.00 | 2,495.00 | 2,320.00 | 2,420.00 | 2,420.00 | 427,758 |
| 2026-02-20 | 2,080.00 | 2,430.00 | 2,035.00 | 2,350.00 | 2,350.00 | 814,318 |
| 2026-02-19 | 2,005.00 | 2,145.00 | 1,999.00 | 2,085.00 | 2,085.00 | 157,885 |
| 2026-02-13 | 2,090.00 | 2,090.00 | 2,005.00 | 2,005.00 | 2,005.00 | 144,646 |
| 2026-02-12 | 2,170.00 | 2,170.00 | 2,070.00 | 2,090.00 | 2,090.00 | 270,325 |
| 2026-02-11 | 2,015.00 | 2,185.00 | 1,985.00 | 2,165.00 | 2,165.00 | 338,949 |
| 2026-02-10 | 1,999.00 | 2,050.00 | 1,973.00 | 2,015.00 | 2,015.00 | 106,630 |
| 2026-02-09 | 1,960.00 | 2,020.00 | 1,960.00 | 1,999.00 | 1,999.00 | 73,735 |
| 2026-02-06 | 2,020.00 | 2,020.00 | 1,940.00 | 1,957.00 | 1,957.00 | 149,968 |
| 2026-02-05 | 2,025.00 | 2,080.00 | 1,980.00 | 2,055.00 | 2,055.00 | 205,238 |
| 2026-02-04 | 1,921.00 | 2,070.00 | 1,902.00 | 2,020.00 | 2,020.00 | 216,331 |
| 2026-02-03 | 1,859.00 | 1,956.00 | 1,859.00 | 1,940.00 | 1,940.00 | 152,382 |
| 2026-02-02 | 1,889.00 | 1,918.00 | 1,835.00 | 1,858.00 | 1,858.00 | 123,085 |
| 2026-01-30 | 1,900.00 | 1,938.00 | 1,850.00 | 1,889.00 | 1,889.00 | 209,544 |
| 2026-01-29 | 1,950.00 | 1,954.00 | 1,830.00 | 1,905.00 | 1,905.00 | 227,642 |
| 2026-01-28 | 1,950.00 | 1,979.00 | 1,893.00 | 1,951.00 | 1,951.00 | 149,040 |
| 2026-01-27 | 1,890.00 | 1,929.00 | 1,840.00 | 1,913.00 | 1,913.00 | 168,610 |
| 2026-01-26 | 1,924.00 | 1,953.00 | 1,850.00 | 1,900.00 | 1,900.00 | 167,829 |
| 2026-01-23 | 1,990.00 | 1,991.00 | 1,910.00 | 1,924.00 | 1,924.00 | 209,287 |
| 2026-01-22 | 2,000.00 | 2,180.00 | 1,927.00 | 1,952.00 | 1,952.00 | 1,006,455 |
| 2026-01-21 | 1,834.00 | 2,040.00 | 1,780.00 | 2,000.00 | 2,000.00 | 600,115 |
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.