United Microelectronics Corporation (UMC)
NYSE: UMC · Real-Time Price · USD
7.54
+0.09 (1.21%)
At close: Sep 26, 2025, 4:00 PM EDT
7.56
+0.02 (0.27%)
Pre-market: Sep 29, 2025, 7:21 AM EDT
United Microelectronics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 26, 2025 | 7.42 | 7.61 | 7.42 | 7.54 | 7.54 | 1.21% | 13,978,089 |
| Sep 25, 2025 | 7.34 | 7.47 | 7.27 | 7.45 | 7.45 | -0.40% | 8,467,963 |
| Sep 24, 2025 | 7.40 | 7.49 | 7.38 | 7.48 | 7.48 | 1.49% | 5,624,426 |
| Sep 23, 2025 | 7.36 | 7.39 | 7.34 | 7.37 | 7.37 | 1.52% | 6,090,157 |
| Sep 22, 2025 | 7.15 | 7.29 | 7.15 | 7.26 | 7.26 | 1.68% | 6,847,655 |
| Sep 19, 2025 | 7.12 | 7.16 | 7.08 | 7.14 | 7.14 | 2.15% | 6,828,766 |
| Sep 18, 2025 | 6.93 | 7.00 | 6.90 | 6.99 | 6.99 | 1.30% | 7,316,472 |
| Sep 17, 2025 | 6.89 | 6.94 | 6.83 | 6.90 | 6.90 | 1.02% | 4,454,084 |
| Sep 16, 2025 | 6.86 | 6.89 | 6.83 | 6.83 | 6.83 | -0.29% | 3,098,999 |
| Sep 15, 2025 | 6.78 | 6.94 | 6.77 | 6.85 | 6.85 | 1.33% | 5,092,876 |
| Sep 12, 2025 | 6.78 | 6.80 | 6.72 | 6.76 | 6.76 | -0.15% | 3,153,697 |
| Sep 11, 2025 | 6.80 | 6.82 | 6.76 | 6.77 | 6.77 | -1.02% | 3,545,562 |
| Sep 10, 2025 | 6.87 | 6.87 | 6.81 | 6.84 | 6.84 | -0.44% | 3,940,857 |
| Sep 9, 2025 | 6.89 | 6.90 | 6.85 | 6.87 | 6.87 | -0.29% | 2,941,584 |
| Sep 8, 2025 | 6.80 | 6.89 | 6.80 | 6.89 | 6.89 | 1.32% | 3,034,526 |
| Sep 5, 2025 | 6.75 | 6.81 | 6.73 | 6.80 | 6.80 | -1.16% | 4,752,059 |
| Sep 4, 2025 | 6.83 | 6.89 | 6.81 | 6.88 | 6.88 | 3.46% | 5,165,689 |
| Sep 3, 2025 | 6.64 | 6.69 | 6.64 | 6.65 | 6.65 | 0.45% | 5,187,879 |
| Sep 2, 2025 | 6.59 | 6.64 | 6.56 | 6.62 | 6.62 | 0.61% | 4,345,234 |
| Aug 29, 2025 | 6.65 | 6.66 | 6.58 | 6.58 | 6.58 | -1.64% | 6,937,435 |
| Aug 28, 2025 | 6.68 | 6.70 | 6.66 | 6.69 | 6.69 | -0.45% | 3,272,190 |
| Aug 27, 2025 | 6.74 | 6.74 | 6.66 | 6.72 | 6.72 | -0.30% | 3,354,414 |
| Aug 26, 2025 | 6.76 | 6.80 | 6.73 | 6.74 | 6.74 | 1.20% | 5,551,156 |
| Aug 25, 2025 | 6.68 | 6.70 | 6.64 | 6.66 | 6.66 | -1.62% | 4,044,270 |
| Aug 22, 2025 | 6.79 | 6.82 | 6.66 | 6.77 | 6.77 | 0.45% | 8,352,776 |
| Aug 21, 2025 | 6.79 | 6.82 | 6.74 | 6.74 | 6.74 | -1.89% | 3,758,529 |
| Aug 20, 2025 | 6.89 | 6.91 | 6.78 | 6.87 | 6.87 | 1.03% | 9,430,257 |
| Aug 19, 2025 | 6.86 | 6.90 | 6.78 | 6.80 | 6.80 | -0.15% | 9,634,299 |
| Aug 18, 2025 | 6.78 | 6.83 | 6.76 | 6.81 | 6.81 | -1.02% | 5,480,542 |
| Aug 15, 2025 | 6.85 | 7.24 | 6.81 | 6.88 | 6.88 | -0.15% | 9,589,317 |
| Aug 14, 2025 | 6.77 | 6.94 | 6.77 | 6.89 | 6.89 | 0.73% | 9,155,542 |
| Aug 13, 2025 | 6.82 | 6.86 | 6.76 | 6.84 | 6.84 | 0.44% | 7,099,264 |
| Aug 12, 2025 | 6.78 | 6.82 | 6.74 | 6.81 | 6.81 | 1.34% | 8,249,419 |
| Aug 11, 2025 | 6.71 | 6.81 | 6.71 | 6.72 | 6.72 | -0.15% | 6,974,354 |
| Aug 8, 2025 | 6.72 | 6.76 | 6.69 | 6.73 | 6.73 | 0.90% | 6,532,282 |
| Aug 7, 2025 | 6.75 | 6.78 | 6.64 | 6.67 | 6.67 | -1.04% | 9,067,275 |
| Aug 6, 2025 | 6.74 | 6.75 | 6.69 | 6.74 | 6.74 | -1.03% | 3,643,477 |
| Aug 5, 2025 | 6.83 | 6.86 | 6.77 | 6.81 | 6.81 | - | 5,313,119 |
| Aug 4, 2025 | 6.83 | 6.86 | 6.80 | 6.81 | 6.81 | - | 4,811,460 |
| Aug 1, 2025 | 6.89 | 6.93 | 6.80 | 6.81 | 6.81 | -0.44% | 11,873,779 |
| Jul 31, 2025 | 6.90 | 6.95 | 6.80 | 6.84 | 6.84 | -3.66% | 11,453,820 |
| Jul 30, 2025 | 7.03 | 7.24 | 6.93 | 7.10 | 7.10 | -0.28% | 18,150,914 |
| Jul 29, 2025 | 7.19 | 7.24 | 7.09 | 7.12 | 7.12 | -1.11% | 10,681,764 |
| Jul 28, 2025 | 7.30 | 7.31 | 7.15 | 7.20 | 7.20 | -1.37% | 9,658,565 |
| Jul 25, 2025 | 7.28 | 7.32 | 7.23 | 7.30 | 7.30 | -0.27% | 5,667,876 |
| Jul 24, 2025 | 7.46 | 7.46 | 7.30 | 7.32 | 7.32 | -2.14% | 4,695,460 |
| Jul 23, 2025 | 7.50 | 7.54 | 7.46 | 7.48 | 7.48 | 1.91% | 7,346,325 |
| Jul 22, 2025 | 7.41 | 7.42 | 7.31 | 7.34 | 7.34 | -2.13% | 5,845,176 |
| Jul 21, 2025 | 7.48 | 7.54 | 7.46 | 7.50 | 7.50 | 0.27% | 4,885,028 |
| Jul 18, 2025 | 7.50 | 7.52 | 7.44 | 7.48 | 7.48 | -0.66% | 3,457,766 |