UD Electronic historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-28 | 97.200 | 101.50 | 96.300 | 100.50 | 97.436 | 8,216,702 |
| 2025-07-25 | 98.000 | 99.000 | 97.000 | 97.000 | 97.000 | 3,222,086 |
| 2025-07-24 | 98.800 | 99.000 | 97.200 | 97.600 | 97.600 | 4,292,824 |
| 2025-07-23 | 96.700 | 98.400 | 95.500 | 98.400 | 98.400 | 9,383,033 |
| 2025-07-22 | 94.500 | 99.000 | 94.500 | 95.000 | 95.000 | 8,831,690 |
| 2025-07-21 | 94.200 | 94.700 | 92.500 | 94.300 | 94.300 | 2,277,419 |
| 2025-07-18 | 96.400 | 96.400 | 94.100 | 94.200 | 94.200 | 3,478,819 |
| 2025-07-17 | 94.600 | 96.400 | 93.700 | 96.400 | 96.400 | 5,389,368 |
| 2025-07-16 | 92.800 | 95.900 | 92.200 | 93.900 | 93.900 | 3,608,197 |
| 2025-07-15 | 91.000 | 92.500 | 90.900 | 92.200 | 92.200 | 1,421,258 |
| 2025-07-14 | 93.200 | 93.400 | 90.400 | 90.900 | 90.900 | 1,726,448 |
| 2025-07-11 | 91.300 | 93.200 | 91.000 | 92.500 | 92.500 | 1,841,193 |
| 2025-07-10 | 89.300 | 92.800 | 89.100 | 90.900 | 90.900 | 2,421,522 |
| 2025-07-09 | 89.100 | 90.300 | 88.700 | 89.400 | 89.400 | 1,182,738 |
| 2025-07-08 | 89.000 | 90.400 | 88.700 | 89.000 | 89.000 | 1,381,319 |
| 2025-07-07 | 89.500 | 90.800 | 87.800 | 90.000 | 90.000 | 4,311,385 |
| 2025-07-04 | 97.200 | 97.500 | 92.800 | 93.000 | 93.000 | 3,768,670 |
| 2025-07-03 | 97.100 | 99.700 | 96.600 | 96.700 | 96.700 | 3,959,702 |
| 2025-07-02 | 96.700 | 97.600 | 95.900 | 96.400 | 96.400 | 1,456,361 |
| 2025-07-01 | 97.100 | 98.300 | 96.000 | 96.100 | 96.100 | 1,922,215 |
| 2025-06-30 | 98.500 | 98.800 | 96.800 | 96.800 | 96.800 | 1,916,402 |
| 2025-06-27 | 100.50 | 101.00 | 98.200 | 98.200 | 98.200 | 2,646,741 |
| 2025-06-26 | 101.00 | 102.00 | 98.700 | 99.900 | 99.900 | 2,811,451 |
| 2025-06-25 | 103.50 | 104.00 | 100.00 | 100.00 | 100.00 | 3,440,943 |
| 2025-06-24 | 104.00 | 104.00 | 102.00 | 103.00 | 103.00 | 6,736,447 |
| 2025-06-23 | 97.300 | 103.50 | 95.700 | 102.50 | 102.50 | 6,746,174 |
| 2025-06-20 | 99.100 | 100.50 | 96.800 | 98.700 | 98.700 | 3,645,103 |
| 2025-06-19 | 100.50 | 100.50 | 98.300 | 98.300 | 98.300 | 2,548,522 |
| 2025-06-18 | 101.00 | 102.00 | 100.00 | 100.50 | 100.50 | 2,038,461 |
| 2025-06-17 | 102.50 | 103.00 | 99.500 | 101.00 | 101.00 | 3,895,076 |
| 2025-06-16 | 99.800 | 103.00 | 98.800 | 101.50 | 101.50 | 6,770,342 |
| 2025-06-13 | 100.00 | 101.50 | 97.100 | 98.200 | 98.200 | 5,724,707 |
| 2025-06-12 | 103.50 | 104.00 | 99.900 | 100.00 | 100.00 | 5,706,768 |
| 2025-06-11 | 105.00 | 106.00 | 102.50 | 103.50 | 103.50 | 7,499,110 |
| 2025-06-10 | 102.50 | 105.00 | 101.00 | 104.00 | 104.00 | 10,924,330 |
| 2025-06-09 | 99.900 | 104.00 | 94.000 | 103.00 | 103.00 | 19,413,860 |
| 2025-06-06 | 92.700 | 98.500 | 92.700 | 97.300 | 97.300 | 10,389,680 |
| 2025-06-05 | 92.800 | 93.900 | 92.000 | 92.000 | 92.000 | 1,609,022 |
| 2025-06-04 | 91.700 | 93.400 | 91.300 | 93.100 | 93.100 | 2,608,095 |
| 2025-06-03 | 88.900 | 90.400 | 88.600 | 90.300 | 90.300 | 904,439 |
| 2025-06-02 | 88.900 | 90.300 | 88.000 | 88.000 | 88.000 | 1,074,046 |
| 2025-05-29 | 89.100 | 89.700 | 88.300 | 89.200 | 89.200 | 706,030 |
| 2025-05-28 | 90.500 | 91.400 | 87.700 | 88.100 | 88.100 | 1,383,694 |
| 2025-05-27 | 91.200 | 91.200 | 89.300 | 89.400 | 89.400 | 975,422 |
| 2025-05-26 | 91.200 | 92.100 | 90.400 | 90.600 | 90.600 | 812,862 |
| 2025-05-23 | 92.500 | 92.900 | 91.100 | 91.400 | 91.400 | 610,000 |
| 2025-05-22 | 92.200 | 94.500 | 92.000 | 92.000 | 92.000 | 3,682,458 |
| 2025-05-21 | 91.200 | 94.000 | 91.000 | 92.500 | 92.500 | 4,349,496 |
| 2025-05-20 | 91.400 | 92.800 | 90.500 | 90.700 | 90.700 | 1,848,100 |
| 2025-05-19 | 91.900 | 91.900 | 90.000 | 91.000 | 91.000 | 1,416,527 |
| 2025-05-16 | 91.900 | 92.900 | 91.100 | 92.200 | 92.200 | 2,044,278 |
| 2025-05-15 | 91.700 | 92.300 | 90.500 | 91.700 | 91.700 | 1,306,065 |
| 2025-05-14 | 90.300 | 92.700 | 89.900 | 91.700 | 91.700 | 3,459,503 |
| 2025-05-13 | 89.600 | 90.400 | 87.800 | 89.300 | 89.300 | 2,527,105 |
| 2025-05-12 | 89.100 | 89.300 | 87.700 | 88.500 | 88.500 | 2,033,321 |
| 2025-05-09 | 87.800 | 89.700 | 85.400 | 87.700 | 87.700 | 4,449,226 |
| 2025-05-08 | 83.400 | 88.300 | 83.400 | 87.800 | 87.800 | 2,906,465 |
| 2025-05-07 | 83.100 | 83.500 | 81.800 | 82.300 | 82.300 | 1,007,033 |
| 2025-05-06 | 80.900 | 83.200 | 80.900 | 83.000 | 83.000 | 1,050,314 |
| 2025-05-05 | 85.000 | 85.000 | 78.500 | 81.500 | 81.500 | 2,549,498 |
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-08-03 | 3.6484 TWD |
| 2025-08-01 | 2.9219 TWD |
| 2024-08-01 | 2.4458 TWD |
| 2023-08-01 | 2.2704 TWD |
| 2022-07-18 | 2.2917 TWD |
| 2021-07-28 | 1.3000 TWD |
| 2020-07-22 | 0.5000 TWD |
| 2019-07-24 | 1.2000 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.