United Microelectronics Corporation historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-16 | 134.00 | 136.00 | 132.50 | 133.00 | 133.00 | 92,001,831 |
| 2026-10-15 | 136.50 | 137.00 | 132.50 | 133.50 | 133.50 | 209,759,406 |
| 2026-10-14 | 143.00 | 144.00 | 140.00 | 142.00 | 142.00 | 108,768,026 |
| 2026-10-13 | 142.50 | 143.50 | 138.50 | 141.50 | 141.50 | 132,666,602 |
| 2026-10-12 | 146.50 | 149.00 | 144.00 | 145.50 | 145.50 | 95,178,472 |
| 2026-10-08 | 147.50 | 149.50 | 147.00 | 147.50 | 147.50 | 81,139,424 |
| 2026-10-07 | 148.50 | 150.00 | 145.50 | 148.50 | 148.50 | 145,796,960 |
| 2026-10-06 | 149.00 | 150.00 | 146.00 | 147.50 | 147.50 | 304,983,374 |
| 2026-10-05 | 164.50 | 165.00 | 152.00 | 152.50 | 152.50 | 321,068,929 |
| 2026-10-02 | 159.00 | 162.50 | 157.50 | 161.50 | 161.50 | 98,989,171 |
| 2026-10-01 | 156.00 | 161.50 | 155.50 | 161.50 | 161.50 | 112,535,852 |
| 2026-09-30 | 157.50 | 158.00 | 154.50 | 154.50 | 154.50 | 101,164,759 |
| 2026-09-29 | 151.50 | 156.00 | 151.50 | 153.50 | 153.50 | 110,638,385 |
| 2026-09-24 | 157.00 | 157.00 | 152.00 | 154.00 | 154.00 | 153,840,764 |
| 2026-09-23 | 163.00 | 163.00 | 158.00 | 160.00 | 160.00 | 123,082,426 |
| 2026-09-22 | 161.00 | 168.50 | 160.00 | 160.00 | 160.00 | 281,790,622 |
| 2026-09-21 | 156.50 | 159.00 | 153.00 | 157.00 | 157.00 | 156,282,899 |
| 2026-09-18 | 155.00 | 160.50 | 153.50 | 156.00 | 156.00 | 301,927,693 |
| 2026-09-17 | 144.50 | 149.50 | 142.50 | 147.50 | 147.50 | 253,382,049 |
| 2026-09-16 | 139.50 | 142.50 | 138.00 | 142.00 | 142.00 | 115,974,906 |
| 2026-09-15 | 140.50 | 141.00 | 138.00 | 138.50 | 138.50 | 101,297,360 |
| 2026-09-14 | 136.50 | 143.50 | 135.00 | 142.50 | 142.50 | 130,952,792 |
| 2026-09-11 | 139.00 | 141.50 | 137.50 | 140.50 | 140.50 | 119,260,816 |
| 2026-09-10 | 142.50 | 145.50 | 141.00 | 142.50 | 142.50 | 202,430,216 |
| 2026-09-09 | 141.00 | 144.50 | 137.00 | 141.50 | 141.50 | 268,302,470 |
| 2026-09-08 | 142.00 | 142.50 | 135.00 | 137.00 | 137.00 | 215,617,633 |
| 2026-09-07 | 134.50 | 143.00 | 134.00 | 143.00 | 143.00 | 331,842,880 |
| 2026-09-04 | 128.50 | 131.00 | 126.50 | 130.00 | 130.00 | 141,122,757 |
| 2026-09-03 | 127.50 | 129.00 | 123.00 | 125.00 | 125.00 | 138,008,048 |
| 2026-09-02 | 131.50 | 133.00 | 126.00 | 126.00 | 126.00 | 133,847,466 |
| 2026-09-01 | 127.50 | 136.50 | 127.00 | 132.50 | 132.50 | 218,488,857 |
| 2026-08-31 | 126.50 | 129.00 | 124.00 | 129.00 | 129.00 | 215,954,158 |
| 2026-08-28 | 120.50 | 130.00 | 120.00 | 130.00 | 130.00 | 320,014,819 |
| 2026-08-27 | 123.50 | 123.50 | 117.00 | 118.50 | 118.50 | 180,555,312 |
| 2026-08-26 | 124.00 | 124.50 | 122.00 | 123.50 | 123.50 | 82,518,327 |
| 2026-08-25 | 123.50 | 125.50 | 119.00 | 125.00 | 125.00 | 123,934,291 |
| 2026-08-24 | 118.00 | 128.00 | 117.50 | 123.50 | 123.50 | 194,179,315 |
| 2026-08-21 | 115.50 | 117.00 | 114.00 | 116.50 | 116.50 | 57,950,937 |
| 2026-08-20 | 117.00 | 118.00 | 112.00 | 115.50 | 115.50 | 100,085,807 |
| 2026-08-19 | 115.00 | 117.00 | 113.50 | 115.50 | 115.50 | 108,146,105 |
| 2026-08-18 | 122.50 | 124.00 | 117.50 | 119.00 | 119.00 | 89,658,751 |
| 2026-08-17 | 121.50 | 124.00 | 121.50 | 121.50 | 121.50 | 66,405,850 |
| 2026-08-14 | 125.00 | 125.50 | 120.00 | 121.00 | 121.00 | 112,997,383 |
| 2026-08-13 | 125.50 | 130.50 | 123.00 | 124.50 | 124.50 | 199,266,322 |
| 2026-08-12 | 123.00 | 125.50 | 121.00 | 123.00 | 123.00 | 91,987,306 |
| 2026-08-11 | 121.50 | 124.50 | 120.00 | 123.00 | 123.00 | 78,968,127 |
| 2026-08-10 | 117.00 | 123.50 | 117.00 | 123.00 | 123.00 | 173,910,450 |
| 2026-08-07 | 121.50 | 121.50 | 114.00 | 116.00 | 116.00 | 165,309,350 |
| 2026-08-06 | 121.50 | 123.50 | 118.00 | 121.50 | 121.50 | 147,342,605 |
| 2026-08-05 | 129.00 | 129.00 | 121.50 | 122.00 | 122.00 | 273,649,983 |
| 2026-08-04 | 118.50 | 120.00 | 115.50 | 118.50 | 118.50 | 180,117,150 |
| 2026-08-03 | 125.50 | 126.00 | 116.00 | 118.00 | 118.00 | 368,409,758 |
| 2026-07-31 | 121.00 | 121.00 | 121.00 | 121.00 | 121.00 | 44,715,264 |
| 2026-07-30 | 107.50 | 112.50 | 105.00 | 110.00 | 110.00 | 373,240,964 |
| 2026-07-29 | 109.50 | 112.00 | 102.50 | 102.50 | 102.50 | 268,721,259 |
| 2026-07-28 | 115.00 | 117.00 | 113.50 | 113.50 | 113.50 | 148,133,898 |
| 2026-07-27 | 123.00 | 127.00 | 118.00 | 126.00 | 126.00 | 217,233,817 |
| 2026-07-24 | 135.00 | 138.00 | 128.00 | 128.00 | 128.00 | 149,526,433 |
| 2026-07-23 | 141.00 | 142.50 | 135.50 | 138.50 | 138.50 | 114,382,542 |
| 2026-07-22 | 140.50 | 145.00 | 137.50 | 139.00 | 139.00 | 175,239,759 |
Page 1 of 21 · 1,216 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2026-07-08 | 2.6081 TWD |
| 2025-06-24 | 2.8502 TWD |
| 2024-07-02 | 3.0001 TWD |
| 2023-06-27 | 3.6005 TWD |
| 2022-06-22 | 3.0000 TWD |
| 2021-07-22 | 1.5999 TWD |
| 2020-07-15 | 0.8040 TWD |
| 2019-07-16 | 0.5899 TWD |
Open, high, low and close are as traded (TWD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.