Lightron Fiber-Optic Devices Inc. (KOSDAQ:069540)
South Korea · Delayed Price · Currency is KRW 4,610.00
-440.00 (-8.71%)
At close: May 19, 2026
KOSDAQ:069540 Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | 4,615.00 | 5,860.00 | 4,265.00 | 5,140.00 | 5,140.00 | 11.50% | 39,833,173 |
| May 19, 2026 | 5,050.00 | 5,090.00 | 4,550.00 | 4,610.00 | 4,610.00 | -8.71% | 3,268,378 |
| May 18, 2026 | 5,040.00 | 5,200.00 | 4,790.00 | 5,050.00 | 5,050.00 | -4.54% | 4,656,521 |
| May 15, 2026 | 5,980.00 | 5,990.00 | 5,070.00 | 5,290.00 | 5,290.00 | -8.32% | 4,378,672 |
| May 14, 2026 | 5,520.00 | 5,900.00 | 5,370.00 | 5,770.00 | 5,770.00 | 4.72% | 6,250,841 |
| May 13, 2026 | 5,750.00 | 5,750.00 | 5,310.00 | 5,510.00 | 5,510.00 | -6.61% | 4,775,665 |
| May 12, 2026 | 6,340.00 | 6,650.00 | 5,060.00 | 5,900.00 | 5,900.00 | -2.80% | 16,773,970 |
| May 11, 2026 | 5,400.00 | 6,420.00 | 5,270.00 | 6,070.00 | 6,070.00 | 16.73% | 34,490,060 |
| May 8, 2026 | 5,200.00 | 5,450.00 | 5,020.00 | 5,200.00 | 5,200.00 | 1.56% | 6,935,846 |
| May 7, 2026 | 5,000.00 | 5,640.00 | 4,750.00 | 5,120.00 | 5,120.00 | 2.61% | 14,006,790 |
| May 6, 2026 | 5,360.00 | 5,400.00 | 4,900.00 | 4,990.00 | 4,990.00 | -4.22% | 6,659,439 |
| May 4, 2026 | 5,150.00 | 5,780.00 | 4,790.00 | 5,210.00 | 5,210.00 | 2.56% | 12,549,390 |
| Apr 30, 2026 | 5,380.00 | 5,410.00 | 5,050.00 | 5,080.00 | 5,080.00 | -3.42% | 5,520,222 |
| Apr 29, 2026 | 5,130.00 | 5,600.00 | 5,000.00 | 5,260.00 | 5,260.00 | 0.57% | 7,270,742 |
| Apr 28, 2026 | 5,600.00 | 5,710.00 | 5,200.00 | 5,230.00 | 5,230.00 | -6.27% | 6,666,994 |
| Apr 27, 2026 | 5,240.00 | 5,960.00 | 5,010.00 | 5,580.00 | 5,580.00 | 6.49% | 22,437,970 |
| Apr 24, 2026 | 5,220.00 | 5,840.00 | 4,895.00 | 5,240.00 | 5,240.00 | 3.97% | 21,907,740 |
| Apr 23, 2026 | 5,630.00 | 5,630.00 | 5,000.00 | 5,040.00 | 5,040.00 | -10.48% | 13,314,300 |
| Apr 22, 2026 | 6,160.00 | 6,200.00 | 5,550.00 | 5,630.00 | 5,630.00 | -8.60% | 11,569,780 |
| Apr 21, 2026 | 6,590.00 | 6,820.00 | 5,800.00 | 6,160.00 | 6,160.00 | -5.52% | 29,895,710 |
| Apr 20, 2026 | 6,210.00 | 7,120.00 | 6,030.00 | 6,520.00 | 6,520.00 | 11.26% | 55,396,380 |
| Apr 17, 2026 | 4,825.00 | 5,860.00 | 4,510.00 | 5,860.00 | 5,860.00 | 29.93% | 71,152,970 |
| Apr 16, 2026 | 7,200.00 | 8,100.00 | 4,505.00 | 4,510.00 | 4,510.00 | -29.42% | 83,224,650 |
| Apr 14, 2026 | 6,300.00 | 6,390.00 | 5,690.00 | 6,390.00 | 6,390.00 | 29.88% | 40,613,300 |
| Apr 10, 2026 | 4,520.00 | 5,450.00 | 4,380.00 | 4,920.00 | 4,920.00 | 16.45% | 59,498,940 |
| Apr 9, 2026 | 3,355.00 | 4,225.00 | 3,150.00 | 4,225.00 | 4,225.00 | 30.00% | 59,963,430 |
| Apr 8, 2026 | 3,290.00 | 3,350.00 | 3,010.00 | 3,250.00 | 3,250.00 | 2.69% | 11,684,560 |
| Apr 7, 2026 | 3,370.00 | 3,390.00 | 3,095.00 | 3,165.00 | 3,165.00 | -5.66% | 8,666,492 |
| Apr 6, 2026 | 3,455.00 | 3,490.00 | 3,250.00 | 3,355.00 | 3,355.00 | 3.23% | 16,424,330 |
| Apr 3, 2026 | 3,405.00 | 3,590.00 | 3,190.00 | 3,250.00 | 3,250.00 | 2.04% | 24,096,490 |
| Apr 2, 2026 | 3,340.00 | 3,645.00 | 2,960.00 | 3,185.00 | 3,185.00 | 2.25% | 24,495,850 |
| Apr 1, 2026 | 2,710.00 | 3,200.00 | 2,690.00 | 3,115.00 | 3,115.00 | 25.60% | 27,017,790 |
| Mar 31, 2026 | 2,985.00 | 3,070.00 | 2,435.00 | 2,480.00 | 2,480.00 | -19.48% | 11,899,540 |
| Mar 30, 2026 | 3,140.00 | 3,450.00 | 2,900.00 | 3,080.00 | 3,080.00 | -1.91% | 20,056,030 |
| Mar 27, 2026 | 2,950.00 | 3,555.00 | 2,750.00 | 3,140.00 | 3,140.00 | 3.12% | 39,311,150 |
| Mar 26, 2026 | 3,140.00 | 3,320.00 | 2,820.00 | 3,045.00 | 3,045.00 | 0.83% | 22,478,160 |
| Mar 25, 2026 | 2,735.00 | 3,275.00 | 2,735.00 | 3,020.00 | 3,020.00 | 15.27% | 43,064,940 |
| Mar 24, 2026 | 3,080.00 | 3,695.00 | 2,560.00 | 2,620.00 | 2,620.00 | -7.91% | 101,139,100 |
| Mar 23, 2026 | 2,480.00 | 2,845.00 | 2,390.00 | 2,845.00 | 2,845.00 | 29.91% | 20,138,730 |
| Mar 20, 2026 | 1,754.00 | 2,190.00 | 1,751.00 | 2,190.00 | 2,190.00 | 29.82% | 49,780,080 |
| Mar 19, 2026 | 1,477.00 | 1,800.00 | 1,410.00 | 1,687.00 | 1,687.00 | 14.22% | 50,243,980 |
| Mar 18, 2026 | 1,545.00 | 1,625.00 | 1,425.00 | 1,477.00 | 1,477.00 | -4.15% | 9,992,586 |
| Mar 17, 2026 | 1,770.00 | 1,808.00 | 1,525.00 | 1,541.00 | 1,541.00 | -8.16% | 16,997,940 |
| 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% | 17,451,980 |
| Mar 12, 2026 | 1,176.00 | 1,493.00 | 1,141.00 | 1,365.00 | 1,365.00 | 16.17% | 43,427,860 |
| Mar 11, 2026 | 1,090.00 | 1,210.00 | 1,020.00 | 1,175.00 | 1,175.00 | 10.95% | 11,475,030 |
| Mar 10, 2026 | 1,005.00 | 1,150.00 | 991.00 | 1,059.00 | 1,059.00 | 8.73% | 6,253,964 |
| Mar 9, 2026 | 990.00 | 995.00 | 940.00 | 974.00 | 974.00 | -3.56% | 1,092,826 |
| Mar 6, 2026 | 1,000.00 | 1,033.00 | 960.00 | 1,010.00 | 1,010.00 | 0.70% | 1,446,356 |