LandMark Optoelectronics historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-21 | 446.00 | 449.00 | 424.00 | 427.50 | 387.97 | 7,320,021 |
| 2025-10-20 | 399.50 | 437.50 | 398.50 | 437.50 | 397.05 | 5,144,356 |
| 2025-10-17 | 400.00 | 402.50 | 391.00 | 398.00 | 361.20 | 1,594,103 |
| 2025-10-16 | 395.00 | 411.50 | 393.50 | 403.00 | 365.74 | 2,933,162 |
| 2025-10-15 | 392.00 | 396.50 | 381.00 | 392.00 | 355.75 | 3,089,680 |
| 2025-10-14 | 435.50 | 436.00 | 385.50 | 389.00 | 353.03 | 7,740,694 |
| 2025-10-13 | 417.00 | 446.00 | 417.00 | 425.50 | 386.16 | 4,876,815 |
| 2025-10-09 | 491.50 | 495.50 | 460.00 | 462.00 | 419.28 | 4,036,003 |
| 2025-10-08 | 469.50 | 498.00 | 466.00 | 489.00 | 443.78 | 5,011,728 |
| 2025-10-07 | 472.00 | 482.00 | 472.00 | 482.00 | 437.43 | 508,858 |
| 2025-10-03 | 459.50 | 468.00 | 459.50 | 468.00 | 424.73 | 355,520 |
| 2025-10-02 | 466.00 | 467.50 | 460.50 | 465.00 | 422.00 | 370,859 |
| 2025-10-01 | 460.50 | 463.00 | 453.00 | 455.50 | 413.38 | 239,044 |
| 2025-09-30 | 440.00 | 455.00 | 440.00 | 455.00 | 412.93 | 275,629 |
| 2025-09-29 | 5,291.67 | 5,291.67 | 5,291.67 | 5,291.67 | 4,802.36 | 0 |
| 2025-09-26 | 449.50 | 449.50 | 431.00 | 444.00 | 402.94 | 676,724 |
| 2025-09-25 | 459.50 | 464.50 | 453.00 | 458.50 | 416.10 | 244,808 |
| 2025-09-24 | 479.00 | 479.00 | 453.00 | 458.00 | 415.65 | 611,706 |
| 2025-09-23 | 484.00 | 484.00 | 476.00 | 476.00 | 431.99 | 480,878 |
| 2025-09-22 | 480.00 | 484.00 | 476.50 | 481.00 | 436.52 | 383,981 |
| 2025-09-19 | 479.00 | 500.00 | 478.50 | 480.00 | 435.62 | 5,946,581 |
| 2025-09-18 | 489.50 | 492.50 | 475.00 | 478.00 | 433.80 | 3,539,132 |
| 2025-09-17 | 475.50 | 497.50 | 472.00 | 489.00 | 443.78 | 5,725,254 |
| 2025-09-16 | 460.50 | 480.00 | 455.00 | 475.50 | 431.53 | 3,193,863 |
| 2025-09-15 | 469.00 | 470.00 | 441.50 | 455.50 | 413.38 | 4,792,486 |
| 2025-09-12 | 490.50 | 500.00 | 469.00 | 469.00 | 425.63 | 5,070,177 |
| 2025-09-11 | 486.00 | 504.00 | 479.00 | 481.50 | 436.98 | 5,829,556 |
| 2025-09-10 | 475.50 | 484.50 | 462.50 | 476.00 | 431.99 | 4,397,988 |
| 2025-09-09 | 507.00 | 510.00 | 468.50 | 473.00 | 429.26 | 5,805,305 |
| 2025-09-08 | 505.00 | 518.00 | 485.00 | 501.00 | 454.67 | 9,634,906 |
| 2025-09-05 | 491.00 | 498.00 | 486.00 | 491.00 | 445.60 | 941,469 |
| 2025-09-04 | 497.50 | 497.50 | 483.00 | 483.00 | 438.34 | 851,183 |
| 2025-09-03 | 476.00 | 487.00 | 475.00 | 487.00 | 441.97 | 1,047,893 |
| 2025-09-02 | 466.00 | 473.00 | 457.00 | 469.00 | 425.63 | 577,798 |
| 2025-09-01 | 479.00 | 481.00 | 445.00 | 459.00 | 416.56 | 891,152 |
| 2025-08-29 | 466.50 | 480.00 | 466.50 | 480.00 | 435.62 | 858,709 |
| 2025-08-28 | 466.00 | 466.00 | 456.00 | 456.00 | 413.83 | 630,762 |
| 2025-08-27 | 468.00 | 468.00 | 464.00 | 466.00 | 422.91 | 721,523 |
| 2025-08-26 | 460.00 | 463.50 | 455.00 | 460.50 | 417.92 | 512,132 |
| 2025-08-25 | 446.00 | 460.00 | 444.00 | 454.00 | 412.02 | 1,050,427 |
| 2025-08-22 | 472.00 | 479.50 | 433.50 | 434.00 | 393.87 | 9,782,975 |
| 2025-08-21 | 470.50 | 493.50 | 463.00 | 464.50 | 421.55 | 9,209,546 |
| 2025-08-20 | 489.00 | 506.00 | 462.00 | 463.00 | 420.19 | 11,409,756 |
| 2025-08-19 | 515.00 | 532.00 | 494.50 | 494.50 | 448.77 | 18,099,299 |
| 2025-08-18 | 465.00 | 497.00 | 463.00 | 497.00 | 451.04 | 9,937,613 |
| 2025-08-15 | 420.00 | 452.00 | 417.00 | 452.00 | 410.20 | 1,717,331 |
| 2025-08-14 | 400.00 | 413.00 | 398.00 | 412.50 | 374.36 | 1,749,529 |
| 2025-08-13 | 402.00 | 402.00 | 392.00 | 395.00 | 358.48 | 709,817 |
| 2025-08-12 | 391.00 | 399.50 | 390.00 | 398.00 | 361.20 | 550,115 |
| 2025-08-11 | 383.50 | 388.00 | 382.50 | 386.50 | 350.76 | 414,823 |
| 2025-08-08 | 390.00 | 390.50 | 383.00 | 384.50 | 348.95 | 432,324 |
| 2025-08-07 | 391.50 | 391.50 | 384.00 | 387.50 | 351.67 | 477,433 |
| 2025-08-06 | 393.00 | 393.00 | 386.00 | 387.00 | 351.22 | 322,381 |
| 2025-08-05 | 400.00 | 400.00 | 393.00 | 393.50 | 357.11 | 379,865 |
| 2025-08-04 | 390.50 | 391.00 | 380.00 | 390.00 | 353.94 | 807,466 |
| 2025-08-01 | 410.00 | 410.00 | 410.00 | 410.00 | 372.09 | 0 |
| 2025-07-31 | 378.50 | 410.00 | 377.00 | 410.00 | 372.09 | 7,837,784 |
| 2025-07-30 | 390.00 | 397.00 | 373.00 | 373.00 | 338.51 | 7,120,170 |
| 2025-07-29 | 398.00 | 416.50 | 383.50 | 387.50 | 351.67 | 11,977,136 |
| 2025-07-28 | 395.00 | 417.00 | 379.00 | 402.00 | 364.83 | 12,257,998 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-07-15 | 3.3000 TWD |
| 2025-07-14 | 0.5000 TWD |
| 2024-07-22 | 0.5000 TWD |
| 2023-07-25 | 3.5002 TWD |
| 2022-07-25 | 3.5000 TWD |
| 2021-08-16 | 5.0000 TWD |
| 2020-06-24 | 4.0001 TWD |
| 2019-06-13 | 5.0000 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.