United Microelectronics Corporation historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-21 | 130.00 | 138.00 | 125.50 | 134.50 | 134.50 | 257,680,244 |
| 2026-07-20 | 141.00 | 141.00 | 130.00 | 130.00 | 130.00 | 293,374,867 |
| 2026-07-17 | 145.50 | 148.00 | 144.00 | 144.00 | 144.00 | 246,895,686 |
| 2026-07-16 | 161.50 | 168.00 | 159.00 | 160.00 | 160.00 | 86,658,780 |
| 2026-07-15 | 158.50 | 166.00 | 156.00 | 166.00 | 166.00 | 109,012,211 |
| 2026-07-14 | 150.50 | 151.00 | 140.00 | 151.00 | 151.00 | 85,375,932 |
| 2026-07-13 | 156.00 | 158.00 | 151.50 | 153.50 | 153.50 | 66,627,286 |
| 2026-07-10 | 156.00 | 156.00 | 156.00 | 156.00 | 156.00 | 0 |
| 2026-07-09 | 161.00 | 161.00 | 154.00 | 156.00 | 156.00 | 58,308,719 |
| 2026-07-08 | 156.00 | 163.00 | 149.00 | 163.00 | 163.00 | 81,852,504 |
| 2026-07-07 | 167.00 | 167.50 | 152.00 | 155.00 | 152.39 | 88,711,444 |
| 2026-07-06 | 171.50 | 171.50 | 164.00 | 166.00 | 163.21 | 53,725,623 |
| 2026-07-03 | 159.00 | 170.50 | 158.50 | 170.50 | 167.63 | 75,047,290 |
| 2026-07-02 | 164.00 | 168.00 | 158.00 | 165.50 | 162.72 | 81,181,266 |
| 2026-07-01 | 170.00 | 173.00 | 166.50 | 169.00 | 166.16 | 242,973,133 |
| 2026-06-30 | 169.00 | 173.50 | 164.50 | 164.50 | 161.73 | 297,652,602 |
| 2026-06-29 | 164.50 | 167.00 | 160.00 | 164.00 | 161.24 | 220,963,458 |
| 2026-06-26 | 175.00 | 176.00 | 162.00 | 164.00 | 161.24 | 373,687,844 |
| 2026-06-25 | 183.50 | 185.50 | 173.00 | 178.50 | 175.50 | 394,896,008 |
| 2026-06-24 | 172.00 | 185.50 | 165.50 | 178.00 | 175.00 | 562,107,679 |
| 2026-06-23 | 173.00 | 176.00 | 167.50 | 170.00 | 167.14 | 544,359,699 |
| 2026-06-22 | 160.00 | 160.00 | 160.00 | 160.00 | 157.31 | 63,984,566 |
| 2026-06-18 | 141.00 | 146.00 | 138.50 | 145.50 | 143.05 | 293,666,572 |
| 2026-06-17 | 138.50 | 142.00 | 136.00 | 140.00 | 137.64 | 169,558,863 |
| 2026-06-16 | 144.00 | 144.50 | 138.50 | 141.00 | 138.63 | 233,154,458 |
| 2026-06-15 | 139.50 | 143.50 | 137.00 | 141.50 | 139.12 | 325,943,462 |
| 2026-06-12 | 134.00 | 137.50 | 132.50 | 133.50 | 131.25 | 388,715,812 |
| 2026-06-11 | 119.00 | 126.00 | 116.50 | 125.00 | 122.90 | 348,102,661 |
| 2026-06-10 | 126.50 | 130.50 | 117.50 | 118.50 | 116.51 | 329,115,708 |
| 2026-06-09 | 124.50 | 131.50 | 118.50 | 127.50 | 125.35 | 372,028,410 |
| 2026-06-08 | 121.00 | 125.00 | 119.00 | 121.00 | 118.96 | 315,497,867 |
| 2026-06-05 | 127.00 | 133.00 | 125.00 | 131.50 | 129.29 | 374,878,386 |
| 2026-06-04 | 126.50 | 131.50 | 122.50 | 125.00 | 122.90 | 374,384,907 |
| 2026-06-03 | 141.50 | 141.50 | 130.50 | 130.50 | 128.30 | 373,068,043 |
| 2026-06-02 | 147.00 | 150.00 | 133.50 | 141.50 | 139.12 | 376,100,203 |
| 2026-06-01 | 143.00 | 155.50 | 140.00 | 146.00 | 143.54 | 285,766,307 |
| 2026-05-29 | 149.00 | 149.00 | 138.00 | 144.50 | 142.07 | 359,633,947 |
| 2026-05-28 | 145.00 | 151.00 | 137.00 | 142.00 | 139.61 | 413,829,506 |
| 2026-05-27 | 139.50 | 143.50 | 138.50 | 143.50 | 141.09 | 278,317,004 |
| 2026-05-26 | 129.00 | 133.50 | 128.00 | 130.50 | 128.30 | 289,873,300 |
| 2026-05-25 | 115.00 | 125.00 | 113.00 | 125.00 | 122.90 | 338,107,213 |
| 2026-05-22 | 119.50 | 119.50 | 113.00 | 114.00 | 112.08 | 201,475,124 |
| 2026-05-21 | 112.50 | 118.00 | 111.50 | 116.00 | 114.05 | 197,547,226 |
| 2026-05-20 | 114.00 | 115.50 | 107.00 | 108.00 | 106.18 | 226,050,768 |
| 2026-05-19 | 112.50 | 120.50 | 111.50 | 113.00 | 111.10 | 272,066,263 |
| 2026-05-18 | 108.50 | 114.00 | 103.50 | 111.00 | 109.13 | 262,569,269 |
| 2026-05-15 | 112.00 | 118.00 | 108.00 | 110.00 | 108.15 | 408,587,830 |
| 2026-05-14 | 102.00 | 108.00 | 98.800 | 108.00 | 106.18 | 330,599,652 |
| 2026-05-13 | 102.00 | 102.00 | 94.500 | 98.400 | 96.744 | 349,701,662 |
| 2026-05-12 | 96.700 | 104.50 | 94.300 | 104.50 | 102.74 | 379,946,290 |
| 2026-05-11 | 94.700 | 96.300 | 92.000 | 95.000 | 93.402 | 177,668,192 |
| 2026-05-08 | 96.500 | 98.800 | 89.900 | 91.300 | 89.764 | 216,239,801 |
| 2026-05-07 | 97.400 | 98.800 | 93.000 | 96.500 | 94.876 | 323,781,992 |
| 2026-05-06 | 88.500 | 91.400 | 87.800 | 91.400 | 89.862 | 253,983,202 |
| 2026-05-05 | 80.800 | 85.200 | 80.100 | 83.100 | 81.702 | 171,549,816 |
| 2026-05-04 | 80.000 | 82.400 | 79.400 | 81.200 | 79.834 | 240,260,266 |
| 2026-04-30 | 80.500 | 80.900 | 76.300 | 77.300 | 75.999 | 331,616,948 |
| 2026-04-29 | 75.300 | 75.300 | 72.400 | 74.500 | 73.246 | 119,808,582 |
| 2026-04-28 | 72.300 | 77.700 | 71.300 | 75.100 | 73.836 | 162,722,456 |
| 2026-04-27 | 76.000 | 76.400 | 70.700 | 72.700 | 71.477 | 185,496,761 |
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.