UD Electronic historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-19 | 122.00 | 122.00 | 119.00 | 119.00 | 119.00 | 3,531,044 |
| 2026-01-16 | 126.50 | 127.00 | 118.00 | 122.00 | 122.00 | 8,206,527 |
| 2026-01-15 | 124.50 | 125.00 | 121.50 | 125.00 | 125.00 | 4,600,300 |
| 2026-01-14 | 124.50 | 127.50 | 123.00 | 125.50 | 125.50 | 7,191,228 |
| 2026-01-13 | 125.00 | 128.00 | 123.00 | 123.50 | 123.50 | 5,099,469 |
| 2026-01-12 | 124.00 | 127.00 | 122.00 | 125.50 | 125.50 | 4,409,977 |
| 2026-01-09 | 123.00 | 124.50 | 120.00 | 122.00 | 122.00 | 2,809,625 |
| 2026-01-08 | 123.00 | 124.50 | 120.00 | 123.00 | 123.00 | 4,490,508 |
| 2026-01-07 | 128.00 | 133.50 | 119.50 | 122.00 | 122.00 | 10,647,746 |
| 2026-01-06 | 127.50 | 129.50 | 122.00 | 123.50 | 123.50 | 6,372,505 |
| 2026-01-05 | 129.50 | 132.00 | 117.50 | 127.00 | 127.00 | 18,382,142 |
| 2026-01-02 | 116.50 | 127.00 | 115.50 | 127.00 | 127.00 | 13,146,852 |
| 2025-12-31 | 113.50 | 118.00 | 113.00 | 115.50 | 115.50 | 5,050,052 |
| 2025-12-30 | 113.50 | 116.50 | 112.50 | 114.00 | 114.00 | 3,784,502 |
| 2025-12-29 | 116.00 | 117.00 | 112.50 | 112.50 | 112.50 | 5,067,331 |
| 2025-12-26 | 113.00 | 117.00 | 111.00 | 115.00 | 115.00 | 10,834,382 |
| 2025-12-24 | 108.00 | 114.50 | 107.50 | 111.00 | 111.00 | 11,394,179 |
| 2025-12-23 | 103.50 | 109.00 | 103.00 | 105.00 | 105.00 | 5,235,541 |
| 2025-12-22 | 102.00 | 103.50 | 102.00 | 102.50 | 102.50 | 1,200,090 |
| 2025-12-19 | 99.800 | 101.50 | 99.800 | 101.00 | 101.00 | 907,200 |
| 2025-12-18 | 100.00 | 100.00 | 98.200 | 98.600 | 98.600 | 868,198 |
| 2025-12-17 | 99.100 | 101.50 | 99.100 | 99.600 | 99.600 | 980,328 |
| 2025-12-16 | 101.00 | 101.00 | 97.500 | 99.000 | 99.000 | 1,575,725 |
| 2025-12-15 | 100.50 | 101.50 | 99.100 | 101.00 | 101.00 | 1,490,167 |
| 2025-12-12 | 103.00 | 105.00 | 101.50 | 102.00 | 102.00 | 1,772,131 |
| 2025-12-11 | 102.00 | 104.50 | 101.50 | 102.00 | 102.00 | 1,544,120 |
| 2025-12-10 | 103.50 | 103.50 | 101.00 | 101.00 | 101.00 | 1,054,240 |
| 2025-12-09 | 104.00 | 104.50 | 102.50 | 102.50 | 102.50 | 1,289,957 |
| 2025-12-08 | 103.50 | 105.00 | 103.00 | 104.00 | 104.00 | 2,000,268 |
| 2025-12-05 | 101.00 | 102.00 | 100.50 | 101.00 | 101.00 | 673,238 |
| 2025-12-04 | 103.00 | 103.00 | 100.00 | 100.50 | 100.50 | 949,756 |
| 2025-12-03 | 102.50 | 104.00 | 102.50 | 102.50 | 102.50 | 869,603 |
| 2025-12-02 | 103.00 | 103.50 | 101.50 | 102.00 | 102.00 | 999,200 |
| 2025-12-01 | 105.00 | 105.50 | 102.50 | 102.50 | 102.50 | 1,216,100 |
| 2025-11-28 | 103.50 | 106.00 | 103.00 | 104.50 | 104.50 | 2,058,487 |
| 2025-11-27 | 103.50 | 104.50 | 102.50 | 104.00 | 104.00 | 2,053,045 |
| 2025-11-26 | 101.50 | 104.00 | 101.00 | 103.50 | 103.50 | 3,203,120 |
| 2025-11-25 | 100.50 | 101.00 | 99.300 | 100.00 | 100.00 | 1,106,505 |
| 2025-11-24 | 101.00 | 102.00 | 99.000 | 99.000 | 99.000 | 1,657,428 |
| 2025-11-21 | 99.000 | 103.00 | 98.000 | 99.400 | 99.400 | 2,920,240 |
| 2025-11-20 | 98.500 | 102.00 | 97.700 | 102.00 | 102.00 | 4,420,174 |
| 2025-11-19 | 95.600 | 97.500 | 95.000 | 97.200 | 97.200 | 1,461,208 |
| 2025-11-18 | 97.100 | 98.300 | 95.500 | 95.500 | 95.500 | 2,336,904 |
| 2025-11-17 | 100.50 | 101.00 | 98.000 | 98.300 | 98.300 | 2,871,533 |
| 2025-11-14 | 100.00 | 102.00 | 99.000 | 100.00 | 100.00 | 3,344,229 |
| 2025-11-13 | 104.00 | 105.00 | 102.00 | 102.00 | 102.00 | 3,179,551 |
| 2025-11-12 | 106.00 | 108.00 | 104.00 | 104.00 | 104.00 | 4,376,893 |
| 2025-11-11 | 102.50 | 106.00 | 102.00 | 105.00 | 105.00 | 4,705,861 |
| 2025-11-10 | 104.00 | 105.00 | 101.50 | 102.00 | 102.00 | 3,408,099 |
| 2025-11-07 | 107.00 | 107.00 | 102.50 | 104.50 | 104.50 | 12,055,805 |
| 2025-11-06 | 111.00 | 117.00 | 108.00 | 113.50 | 113.50 | 15,968,378 |
| 2025-11-05 | 102.00 | 109.50 | 102.00 | 109.50 | 109.50 | 5,586,969 |
| 2025-11-04 | 107.50 | 108.50 | 103.50 | 104.00 | 104.00 | 3,068,066 |
| 2025-11-03 | 107.00 | 110.50 | 105.50 | 107.50 | 107.50 | 8,490,738 |
| 2025-10-31 | 101.00 | 106.50 | 101.00 | 106.00 | 106.00 | 5,981,723 |
| 2025-10-30 | 101.50 | 102.00 | 99.600 | 99.800 | 99.800 | 1,788,348 |
| 2025-10-29 | 105.50 | 106.00 | 100.00 | 100.50 | 100.50 | 4,168,171 |
| 2025-10-28 | 105.00 | 106.50 | 103.00 | 104.50 | 104.50 | 3,311,900 |
| 2025-10-27 | 106.50 | 106.50 | 103.00 | 105.50 | 105.50 | 5,584,181 |
| 2025-10-23 | 99.500 | 106.00 | 99.300 | 105.50 | 105.50 | 8,842,497 |
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.