United Microelectronics C... (UMC)
NYSE: UMC
· Real-Time Price · USD
6.75
-0.02 (-0.30%)
At close: Sep 12, 2025, 3:59 PM
6.78
0.37%
After-hours: Sep 12, 2025, 07:44 PM EDT
UMC Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 12, 2025 | 6.78 | 6.80 | 6.72 | 6.76 | 6.76 | -0.15% | 3,153,090 |
| Sep 11, 2025 | 6.80 | 6.82 | 6.76 | 6.77 | 6.77 | -1.02% | 3,545,600 |
| Sep 10, 2025 | 6.87 | 6.87 | 6.81 | 6.84 | 6.84 | -0.44% | 3,940,900 |
| Sep 9, 2025 | 6.89 | 6.90 | 6.85 | 6.87 | 6.87 | -0.29% | 2,941,600 |
| 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% | 4,752,100 |
| 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% | 5,188,000 |
| 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 | 6.65 | 6.69 | 6.69 | -0.45% | 3,272,200 |
| 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% | 4,044,300 |
| Aug 22, 2025 | 6.79 | 6.82 | 6.66 | 6.77 | 6.77 | 0.45% | 8,352,800 |
| 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% | 9,634,300 |
| 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 |