Lightron Fiber-Optic Devices Inc. (KOSDAQ:069540)
2,190.00
+503.00 (29.82%)
At close: Mar 20, 2026
KOSDAQ:069540 Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 20, 2026 | 1,754.00 | 2,190.00 | 1,751.00 | 2,190.00 | 2,190.00 | 29.82% | 49,762,145 |
| Mar 19, 2026 | 1,477.00 | 1,800.00 | 1,410.00 | 1,687.00 | 1,687.00 | 14.22% | 49,885,938 |
| Mar 18, 2026 | 1,545.00 | 1,625.00 | 1,425.00 | 1,477.00 | 1,477.00 | -4.15% | 9,962,686 |
| Mar 17, 2026 | 1,770.00 | 1,808.00 | 1,525.00 | 1,541.00 | 1,541.00 | -8.16% | 16,914,426 |
| Mar 16, 2026 | 1,420.00 | 1,800.00 | 1,420.00 | 1,678.00 | 1,678.00 | 18.50% | 52,114,690 |
| Mar 13, 2026 | 1,366.00 | 1,553.00 | 1,284.00 | 1,416.00 | 1,416.00 | 3.74% | 17,287,970 |
| Mar 12, 2026 | 1,176.00 | 1,493.00 | 1,141.00 | 1,365.00 | 1,365.00 | 16.17% | 43,337,033 |
| Mar 11, 2026 | 1,090.00 | 1,210.00 | 1,020.00 | 1,175.00 | 1,175.00 | 10.95% | 11,386,920 |
| Mar 10, 2026 | 1,005.00 | 1,150.00 | 991.00 | 1,059.00 | 1,059.00 | 8.73% | 6,241,998 |
| Mar 9, 2026 | 990.00 | 995.00 | 940.00 | 974.00 | 974.00 | -3.56% | 1,074,629 |
| Mar 6, 2026 | 1,000.00 | 1,033.00 | 960.00 | 1,010.00 | 1,010.00 | 0.70% | 1,426,637 |
| Mar 5, 2026 | 945.00 | 1,028.00 | 945.00 | 1,003.00 | 1,003.00 | 12.57% | 2,327,302 |
| Mar 4, 2026 | 992.00 | 992.00 | 851.00 | 891.00 | 891.00 | -11.52% | 2,742,682 |
| Mar 3, 2026 | 1,076.00 | 1,100.00 | 1,005.00 | 1,007.00 | 1,007.00 | -8.45% | 2,631,760 |
| Feb 27, 2026 | 1,115.00 | 1,125.00 | 1,083.00 | 1,100.00 | 1,100.00 | -2.22% | 1,939,357 |
| Feb 26, 2026 | 1,208.00 | 1,230.00 | 1,090.00 | 1,125.00 | 1,125.00 | -6.79% | 3,396,680 |
| Feb 25, 2026 | 1,172.00 | 1,280.00 | 1,163.00 | 1,207.00 | 1,207.00 | 2.99% | 4,232,115 |
| Feb 24, 2026 | 1,201.00 | 1,220.00 | 1,133.00 | 1,172.00 | 1,172.00 | -2.33% | 2,654,095 |
| Feb 23, 2026 | 1,116.00 | 1,300.00 | 1,116.00 | 1,200.00 | 1,200.00 | 7.62% | 9,499,855 |
| Feb 20, 2026 | 1,089.00 | 1,167.00 | 1,035.00 | 1,115.00 | 1,115.00 | 2.39% | 4,214,392 |
| Feb 19, 2026 | 1,080.00 | 1,165.00 | 1,020.00 | 1,089.00 | 1,089.00 | 1.97% | 4,426,419 |
| Feb 13, 2026 | 1,092.00 | 1,094.00 | 1,020.00 | 1,068.00 | 1,068.00 | -2.20% | 2,701,415 |
| Feb 12, 2026 | 1,162.00 | 1,166.00 | 1,086.00 | 1,092.00 | 1,092.00 | -6.02% | 3,628,585 |
| Feb 11, 2026 | 1,209.00 | 1,217.00 | 1,160.00 | 1,162.00 | 1,162.00 | -3.81% | 2,717,409 |
| Feb 10, 2026 | 1,229.00 | 1,265.00 | 1,180.00 | 1,208.00 | 1,208.00 | -1.71% | 2,343,753 |
| Feb 9, 2026 | 1,304.00 | 1,322.00 | 1,218.00 | 1,229.00 | 1,229.00 | -0.49% | 3,956,180 |
| Feb 6, 2026 | 1,312.00 | 1,385.00 | 1,201.00 | 1,235.00 | 1,235.00 | -5.87% | 5,068,933 |
| Feb 5, 2026 | 1,371.00 | 1,420.00 | 1,301.00 | 1,312.00 | 1,312.00 | -8.89% | 4,002,186 |
| Feb 4, 2026 | 1,530.00 | 1,532.00 | 1,416.00 | 1,440.00 | 1,440.00 | -4.57% | 4,092,756 |
| Feb 3, 2026 | 1,594.00 | 1,598.00 | 1,471.00 | 1,509.00 | 1,509.00 | -2.52% | 4,950,528 |
| Feb 2, 2026 | 1,521.00 | 1,711.00 | 1,510.00 | 1,548.00 | 1,548.00 | 2.11% | 11,849,692 |
| Jan 30, 2026 | 1,692.00 | 1,773.00 | 1,510.00 | 1,516.00 | 1,516.00 | -9.76% | 11,761,819 |
| Jan 29, 2026 | 1,504.00 | 1,830.00 | 1,441.00 | 1,680.00 | 1,680.00 | 16.75% | 38,305,370 |
| Jan 28, 2026 | 1,453.00 | 1,546.00 | 1,405.00 | 1,439.00 | 1,439.00 | 0.28% | 5,396,796 |
| Jan 27, 2026 | 1,485.00 | 1,505.00 | 1,405.00 | 1,435.00 | 1,435.00 | -3.37% | 3,296,003 |
| Jan 26, 2026 | 1,474.00 | 1,540.00 | 1,355.00 | 1,485.00 | 1,485.00 | 0.68% | 4,412,440 |
| Jan 23, 2026 | 1,627.00 | 1,670.00 | 1,475.00 | 1,475.00 | 1,475.00 | -9.06% | 5,631,379 |
| Jan 22, 2026 | 1,750.00 | 1,800.00 | 1,587.00 | 1,622.00 | 1,622.00 | -6.19% | 6,423,270 |
| Jan 21, 2026 | 1,840.00 | 1,988.00 | 1,548.00 | 1,729.00 | 1,729.00 | -5.57% | 12,807,670 |
| Jan 20, 2026 | 1,836.00 | 1,980.00 | 1,650.00 | 1,831.00 | 1,831.00 | 5.90% | 19,992,549 |
| Jan 19, 2026 | 1,490.00 | 1,785.00 | 1,447.00 | 1,729.00 | 1,729.00 | 20.07% | 35,148,534 |
| Jan 16, 2026 | 1,540.00 | 1,541.00 | 1,409.00 | 1,440.00 | 1,440.00 | -3.10% | 8,479,189 |
| Jan 15, 2026 | 1,503.00 | 1,577.00 | 1,346.00 | 1,486.00 | 1,486.00 | 2.48% | 23,260,914 |
| Jan 14, 2026 | 1,525.00 | 1,593.00 | 1,394.00 | 1,450.00 | 1,450.00 | -4.23% | 21,543,784 |
| Jan 13, 2026 | 1,677.00 | 1,791.00 | 1,501.00 | 1,514.00 | 1,514.00 | -5.02% | 29,404,964 |
| Jan 12, 2026 | 1,620.00 | 1,844.00 | 1,288.00 | 1,594.00 | 1,594.00 | 11.24% | 85,439,365 |
| Jan 9, 2026 | 1,200.00 | 1,433.00 | 1,150.00 | 1,433.00 | 1,433.00 | 29.92% | 34,240,930 |
| Jan 8, 2026 | 920.00 | 1,103.00 | 915.00 | 1,103.00 | 1,103.00 | 29.92% | 55,954,563 |
| Jan 7, 2026 | 863.00 | 995.00 | 815.00 | 849.00 | 849.00 | 7.33% | 37,637,915 |
| Jan 6, 2026 | 615.00 | 791.00 | 615.00 | 791.00 | 791.00 | 29.89% | 25,153,304 |