UD Electronic historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-24 | 130.00 | 136.00 | 130.00 | 133.00 | 133.00 | 5,347,835 |
| 2026-04-23 | 137.00 | 138.50 | 122.50 | 128.50 | 128.50 | 7,586,282 |
| 2026-04-22 | 133.00 | 137.50 | 132.00 | 135.00 | 135.00 | 3,911,236 |
| 2026-04-21 | 138.00 | 140.00 | 130.50 | 134.00 | 134.00 | 6,305,846 |
| 2026-04-20 | 133.50 | 138.50 | 133.00 | 136.50 | 136.50 | 5,397,821 |
| 2026-04-17 | 135.50 | 137.00 | 132.00 | 132.50 | 132.50 | 4,464,030 |
| 2026-04-16 | 136.50 | 141.00 | 133.50 | 135.50 | 135.50 | 6,909,433 |
| 2026-04-15 | 140.00 | 140.00 | 133.50 | 136.00 | 136.00 | 5,679,928 |
| 2026-04-14 | 141.00 | 143.00 | 137.00 | 138.50 | 138.50 | 6,757,043 |
| 2026-04-13 | 136.00 | 146.00 | 135.00 | 139.00 | 139.00 | 11,729,808 |
| 2026-04-10 | 136.00 | 142.50 | 132.00 | 135.00 | 135.00 | 12,587,657 |
| 2026-04-09 | 126.00 | 131.50 | 123.50 | 130.00 | 130.00 | 8,681,939 |
| 2026-04-08 | 125.00 | 128.00 | 122.00 | 126.50 | 126.50 | 16,205,847 |
| 2026-04-07 | 118.00 | 124.00 | 118.00 | 124.00 | 124.00 | 5,814,144 |
| 2026-04-02 | 114.00 | 116.00 | 111.50 | 113.00 | 113.00 | 3,431,259 |
| 2026-04-01 | 109.50 | 114.00 | 109.50 | 112.50 | 112.50 | 2,198,224 |
| 2026-03-31 | 110.00 | 111.50 | 105.50 | 106.00 | 106.00 | 2,425,425 |
| 2026-03-30 | 114.00 | 115.50 | 110.00 | 110.50 | 110.50 | 3,392,441 |
| 2026-03-27 | 111.00 | 118.00 | 110.00 | 117.50 | 117.50 | 2,344,718 |
| 2026-03-26 | 116.00 | 118.50 | 112.50 | 112.50 | 112.50 | 1,945,267 |
| 2026-03-25 | 115.50 | 117.50 | 114.00 | 116.00 | 116.00 | 2,064,266 |
| 2026-03-24 | 116.50 | 117.50 | 110.00 | 111.50 | 111.50 | 2,268,036 |
| 2026-03-23 | 113.00 | 116.50 | 112.00 | 113.50 | 113.50 | 2,421,458 |
| 2026-03-20 | 125.50 | 125.50 | 117.00 | 117.00 | 117.00 | 5,617,782 |
| 2026-03-19 | 122.00 | 128.50 | 121.50 | 124.00 | 124.00 | 16,086,787 |
| 2026-03-18 | 120.00 | 121.00 | 119.50 | 121.00 | 121.00 | 3,307,455 |
| 2026-03-17 | 105.50 | 113.50 | 105.00 | 110.00 | 110.00 | 3,871,716 |
| 2026-03-16 | 103.50 | 105.00 | 101.50 | 103.50 | 103.50 | 1,113,344 |
| 2026-03-13 | 98.800 | 104.00 | 98.600 | 102.50 | 102.50 | 1,364,603 |
| 2026-03-12 | 104.00 | 105.00 | 101.00 | 101.50 | 101.50 | 1,484,843 |
| 2026-03-11 | 104.00 | 106.00 | 104.00 | 105.00 | 105.00 | 1,096,203 |
| 2026-03-10 | 102.00 | 103.50 | 100.50 | 101.50 | 101.50 | 1,704,390 |
| 2026-03-09 | 98.800 | 98.800 | 95.700 | 98.500 | 98.500 | 2,554,391 |
| 2026-03-06 | 106.50 | 109.00 | 105.00 | 106.00 | 106.00 | 1,578,038 |
| 2026-03-05 | 106.50 | 110.50 | 106.00 | 107.50 | 107.50 | 2,650,263 |
| 2026-03-04 | 110.00 | 111.50 | 102.00 | 103.50 | 103.50 | 4,461,431 |
| 2026-03-03 | 116.00 | 118.00 | 112.50 | 112.50 | 112.50 | 2,063,200 |
| 2026-03-02 | 114.00 | 118.50 | 113.00 | 115.00 | 115.00 | 2,499,345 |
| 2026-02-26 | 118.00 | 121.00 | 116.00 | 118.50 | 118.50 | 3,948,324 |
| 2026-02-25 | 120.50 | 121.00 | 117.50 | 118.00 | 118.00 | 2,339,169 |
| 2026-02-24 | 118.50 | 121.00 | 117.50 | 120.00 | 120.00 | 3,375,743 |
| 2026-02-23 | 111.50 | 119.00 | 109.50 | 118.50 | 118.50 | 5,697,618 |
| 2026-02-11 | 113.50 | 113.50 | 109.50 | 110.50 | 110.50 | 2,232,738 |
| 2026-02-10 | 112.50 | 114.50 | 112.00 | 113.00 | 113.00 | 3,748,725 |
| 2026-02-09 | 115.00 | 116.00 | 111.50 | 111.50 | 111.50 | 2,243,668 |
| 2026-02-06 | 112.50 | 112.50 | 107.50 | 111.00 | 111.00 | 1,789,110 |
| 2026-02-05 | 111.00 | 114.50 | 110.50 | 113.00 | 113.00 | 1,841,667 |
| 2026-02-04 | 112.50 | 114.00 | 111.50 | 112.50 | 112.50 | 1,974,671 |
| 2026-02-03 | 111.00 | 114.00 | 110.50 | 113.50 | 113.50 | 2,965,170 |
| 2026-02-02 | 108.00 | 110.50 | 105.50 | 107.50 | 107.50 | 2,169,212 |
| 2026-01-30 | 111.50 | 112.00 | 106.50 | 109.00 | 109.00 | 2,702,027 |
| 2026-01-29 | 114.00 | 116.00 | 110.00 | 111.00 | 111.00 | 2,977,211 |
| 2026-01-28 | 114.00 | 115.50 | 112.50 | 113.50 | 113.50 | 1,996,416 |
| 2026-01-27 | 115.50 | 116.00 | 113.00 | 113.00 | 113.00 | 2,219,675 |
| 2026-01-26 | 118.00 | 118.00 | 113.50 | 114.50 | 114.50 | 4,790,234 |
| 2026-01-23 | 125.00 | 125.00 | 118.50 | 118.50 | 118.50 | 4,391,259 |
| 2026-01-22 | 123.50 | 127.50 | 123.00 | 124.00 | 124.00 | 4,094,001 |
| 2026-01-21 | 120.50 | 126.00 | 120.00 | 121.50 | 121.50 | 4,999,585 |
| 2026-01-20 | 119.00 | 124.00 | 118.00 | 122.00 | 122.00 | 3,371,793 |
| 2026-01-19 | 122.00 | 122.00 | 119.00 | 119.00 | 119.00 | 3,531,044 |
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.