United Microelectronics Corporation (UMC)
NYSE: UMC · Real-Time Price · USD
8.13
+0.03 (0.37%)
At close: Dec 22, 2025, 4:00 PM EST
8.13
0.00 (0.00%)
After-hours: Dec 22, 2025, 7:43 PM EST
United Microelectronics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 22, 2025 | 8.12 | 8.15 | 8.09 | 8.13 | - | 0.31% | 2,619,378 |
| Dec 19, 2025 | 8.09 | 8.17 | 8.09 | 8.10 | 8.10 | 0.37% | 13,173,830 |
| Dec 18, 2025 | 8.05 | 8.12 | 8.01 | 8.07 | 8.07 | 0.88% | 9,020,411 |
| Dec 17, 2025 | 8.08 | 8.16 | 7.98 | 8.00 | 8.00 | 1.39% | 10,217,627 |
| Dec 16, 2025 | 7.90 | 7.94 | 7.84 | 7.89 | 7.89 | 0.64% | 8,831,099 |
| Dec 15, 2025 | 7.92 | 7.95 | 7.83 | 7.84 | 7.84 | -0.38% | 6,915,829 |
| Dec 12, 2025 | 7.88 | 7.89 | 7.80 | 7.87 | 7.87 | -0.25% | 15,394,666 |
| Dec 11, 2025 | 7.91 | 7.91 | 7.78 | 7.89 | 7.89 | -1.38% | 8,398,629 |
| Dec 10, 2025 | 7.97 | 8.05 | 7.95 | 8.00 | 8.00 | -1.11% | 9,228,113 |
| Dec 9, 2025 | 8.02 | 8.10 | 7.97 | 8.09 | 8.09 | 0.50% | 8,896,801 |
| Dec 8, 2025 | 8.02 | 8.08 | 7.98 | 8.05 | 8.05 | 0.37% | 8,420,899 |
| Dec 5, 2025 | 7.90 | 8.06 | 7.88 | 8.02 | 8.02 | 1.91% | 10,655,639 |
| Dec 4, 2025 | 7.78 | 7.94 | 7.78 | 7.87 | 7.87 | 0.25% | 9,468,268 |
| Dec 3, 2025 | 7.67 | 7.87 | 7.66 | 7.85 | 7.85 | 0.90% | 9,272,994 |
| Dec 2, 2025 | 7.55 | 7.80 | 7.55 | 7.78 | 7.78 | 3.32% | 9,487,063 |
| Dec 1, 2025 | 7.49 | 7.60 | 7.48 | 7.53 | 7.53 | 0.94% | 6,626,324 |
| Nov 28, 2025 | 7.35 | 7.47 | 7.33 | 7.46 | 7.46 | 1.77% | 5,488,829 |
| Nov 26, 2025 | 7.31 | 7.43 | 7.28 | 7.33 | 7.33 | 0.83% | 8,087,474 |
| Nov 25, 2025 | 7.25 | 7.28 | 7.15 | 7.27 | 7.27 | -2.28% | 6,022,171 |
| Nov 24, 2025 | 7.33 | 7.45 | 7.33 | 7.44 | 7.44 | 2.76% | 9,730,028 |
| Nov 21, 2025 | 7.19 | 7.31 | 7.11 | 7.24 | 7.24 | 1.69% | 11,543,165 |
| Nov 20, 2025 | 7.26 | 7.27 | 7.05 | 7.12 | 7.12 | -1.52% | 12,394,751 |
| Nov 19, 2025 | 7.09 | 7.26 | 7.08 | 7.23 | 7.23 | 2.41% | 8,212,450 |
| Nov 18, 2025 | 6.99 | 7.12 | 6.99 | 7.06 | 7.06 | 0.57% | 7,757,130 |
| Nov 17, 2025 | 7.08 | 7.11 | 6.97 | 7.02 | 7.02 | -1.68% | 5,327,580 |
| Nov 14, 2025 | 7.09 | 7.24 | 7.07 | 7.14 | 7.14 | 0.42% | 5,889,939 |
| Nov 13, 2025 | 7.22 | 7.23 | 7.07 | 7.11 | 7.11 | -1.80% | 8,149,482 |
| Nov 12, 2025 | 7.25 | 7.33 | 7.17 | 7.24 | 7.24 | -1.90% | 7,060,207 |
| Nov 11, 2025 | 7.36 | 7.41 | 7.32 | 7.38 | 7.38 | -0.67% | 7,882,417 |
| Nov 10, 2025 | 7.43 | 7.45 | 7.35 | 7.43 | 7.43 | 0.27% | 7,134,158 |
| Nov 7, 2025 | 7.29 | 7.41 | 7.26 | 7.41 | 7.41 | 1.37% | 9,303,483 |
| Nov 6, 2025 | 7.48 | 7.50 | 7.15 | 7.31 | 7.31 | -5.80% | 10,936,408 |
| Nov 5, 2025 | 7.63 | 7.86 | 7.63 | 7.76 | 7.76 | 2.11% | 9,446,504 |
| Nov 4, 2025 | 7.69 | 7.72 | 7.60 | 7.60 | 7.60 | -3.06% | 10,109,105 |
| Nov 3, 2025 | 7.82 | 7.90 | 7.80 | 7.84 | 7.84 | 1.69% | 7,479,818 |
| Oct 31, 2025 | 7.61 | 7.85 | 7.57 | 7.71 | 7.71 | 2.39% | 10,153,197 |
| Oct 30, 2025 | 7.49 | 7.59 | 7.37 | 7.53 | 7.53 | 1.89% | 9,729,646 |
| Oct 29, 2025 | 7.80 | 7.81 | 7.29 | 7.39 | 7.39 | -3.15% | 12,481,791 |
| Oct 28, 2025 | 7.55 | 7.68 | 7.52 | 7.63 | 7.63 | 0.79% | 6,728,024 |
| Oct 27, 2025 | 7.52 | 7.58 | 7.42 | 7.57 | 7.57 | 0.40% | 8,009,306 |
| Oct 24, 2025 | 7.57 | 7.61 | 7.53 | 7.54 | 7.54 | 0.27% | 7,440,015 |
| Oct 23, 2025 | 7.35 | 7.55 | 7.35 | 7.52 | 7.52 | 1.90% | 5,612,068 |
| Oct 22, 2025 | 7.41 | 7.45 | 7.30 | 7.38 | 7.38 | -0.94% | 7,880,684 |
| Oct 21, 2025 | 7.49 | 7.49 | 7.37 | 7.45 | 7.45 | -0.93% | 6,136,101 |
| Oct 20, 2025 | 7.57 | 7.58 | 7.52 | 7.52 | 7.52 | 0.67% | 6,254,968 |
| Oct 17, 2025 | 7.47 | 7.54 | 7.40 | 7.47 | 7.47 | 0.54% | 4,302,733 |
| Oct 16, 2025 | 7.48 | 7.55 | 7.37 | 7.43 | 7.43 | 0.13% | 6,062,908 |
| Oct 15, 2025 | 7.42 | 7.45 | 7.33 | 7.42 | 7.42 | 0.27% | 7,918,020 |
| Oct 14, 2025 | 7.43 | 7.47 | 7.36 | 7.40 | 7.40 | -3.14% | 6,955,784 |
| Oct 13, 2025 | 7.50 | 7.66 | 7.42 | 7.64 | 7.64 | 6.41% | 11,657,487 |