United Microelectronics Corporation (UMC)
NYSE: UMC · Real-Time Price · USD
6.80
-0.08 (-1.16%)
At close: Sep 5, 2025, 4:00 PM
6.80
0.00 (0.00%)
After-hours: Sep 5, 2025, 7:00 PM EDT
United Microelectronics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 5, 2025 | 6.75 | 6.81 | 6.73 | 6.80 | 6.80 | -1.16% | 4,750,237 |
| 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 |
| Jul 17, 2025 | 7.43 | 7.54 | 7.43 | 7.53 | 7.53 | 1.21% | 6,369,362 |
| Jul 16, 2025 | 7.42 | 7.47 | 7.31 | 7.44 | 7.44 | -0.53% | 7,904,029 |
| Jul 15, 2025 | 7.48 | 7.54 | 7.46 | 7.48 | 7.48 | 0.54% | 4,750,356 |
| Jul 14, 2025 | 7.45 | 7.46 | 7.37 | 7.44 | 7.44 | -0.80% | 7,294,629 |
| Jul 11, 2025 | 7.53 | 7.53 | 7.48 | 7.50 | 7.50 | -0.79% | 4,105,363 |
| Jul 10, 2025 | 7.66 | 7.66 | 7.54 | 7.56 | 7.56 | -1.82% | 4,162,729 |
| Jul 9, 2025 | 7.64 | 7.73 | 7.63 | 7.70 | 7.70 | 0.79% | 5,608,211 |
| Jul 8, 2025 | 7.57 | 7.69 | 7.55 | 7.64 | 7.64 | 1.19% | 5,059,412 |
| Jul 7, 2025 | 7.57 | 7.63 | 7.50 | 7.55 | 7.55 | -3.58% | 8,651,493 |
| Jul 3, 2025 | 7.81 | 7.86 | 7.81 | 7.83 | 7.83 | -0.38% | 4,532,029 |
| Jul 2, 2025 | 7.62 | 7.87 | 7.62 | 7.86 | 7.86 | 3.29% | 11,361,520 |
| Jul 1, 2025 | 7.59 | 7.65 | 7.56 | 7.61 | 7.61 | -0.52% | 5,522,791 |
| Jun 30, 2025 | 7.69 | 7.69 | 7.57 | 7.65 | 7.65 | -0.39% | 7,032,247 |
| Jun 27, 2025 | 7.61 | 7.70 | 7.60 | 7.68 | 7.68 | 1.45% | 6,505,352 |
| Jun 26, 2025 | 7.58 | 7.63 | 7.53 | 7.57 | 7.57 | -1.17% | 6,276,771 |