The highest closing price for United Microelectronics (UMC) last month was $7.59, on September 29. It was up 15% for the month. The latest price is $7.54.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 30 2025 | $7.59 | $7.59 | $7.46 | $7.58 | 8,145,300 |
September 29 2025 | $7.58 | $7.66 | $7.56 | $7.59 | 10,447,100 |
September 26 2025 | $7.42 | $7.61 | $7.42 | $7.54 | 13,982,900 |
September 25 2025 | $7.34 | $7.47 | $7.27 | $7.45 | 8,468,000 |
September 24 2025 | $7.40 | $7.49 | $7.38 | $7.48 | 5,624,400 |
September 23 2025 | $7.36 | $7.39 | $7.34 | $7.37 | 6,089,800 |
September 22 2025 | $7.15 | $7.29 | $7.15 | $7.26 | 6,847,700 |
September 19 2025 | $7.12 | $7.16 | $7.08 | $7.14 | 6,828,800 |
September 18 2025 | $6.93 | $7.00 | $6.90 | $6.99 | 7,316,500 |
September 17 2025 | $6.89 | $6.94 | $6.82 | $6.90 | 4,454,100 |
September 16 2025 | $6.86 | $6.89 | $6.83 | $6.83 | 3,098,800 |
September 15 2025 | $6.78 | $6.94 | $6.77 | $6.85 | 5,092,900 |
September 12 2025 | $6.78 | $6.80 | $6.72 | $6.76 | 3,153,600 |
September 11 2025 | $6.80 | $6.82 | $6.76 | $6.77 | 3,545,600 |
September 10 2025 | $6.87 | $6.87 | $6.81 | $6.84 | 3,940,900 |
September 09 2025 | $6.89 | $6.90 | $6.85 | $6.87 | 2,941,600 |
September 08 2025 | $6.80 | $6.89 | $6.80 | $6.89 | 3,034,500 |
September 05 2025 | $6.75 | $6.81 | $6.73 | $6.80 | 4,752,100 |
September 04 2025 | $6.83 | $6.89 | $6.81 | $6.88 | 5,165,400 |
September 03 2025 | $6.64 | $6.69 | $6.64 | $6.65 | 5,187,900 |
September 02 2025 | $6.59 | $6.64 | $6.56 | $6.62 | 4,345,100 |
Daily pricing data for United Microelectronics dates back to 9/19/2000, and may be incomplete.
