United Microelectronics - 25 Year Stock Price History | UMC

Historical daily share price chart and data for United Microelectronics since 2000 adjusted for splits and dividends. The latest closing stock price for United Microelectronics as of April 22, 2025 is 6.80.
  • The all-time high United Microelectronics stock closing price was 10.34 on December 07, 2021.
  • The United Microelectronics 52-week high stock price is 9.00, which is 32.4% above the current share price.
  • The United Microelectronics 52-week low stock price is 5.61, which is 17.5% below the current share price.
  • The average United Microelectronics stock price for the last 52 weeks is 7.47.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
United Microelectronics Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 6.4267 6.5300 7.1500 5.6900 6.8000 4.78%
2024 7.7181 7.8424 8.8900 6.3400 6.4900 -19.01%
2023 7.1306 5.8270 8.2023 5.8094 8.0129 39.20%
2022 6.6502 9.5955 9.6368 4.7251 5.7565 -40.32%
2021 8.2244 6.4007 10.3375 6.4007 9.6450 43.18%
2020 3.0111 2.0596 7.2237 1.6188 6.7363 230.73%
2019 1.5729 1.2903 2.1280 1.2320 2.0368 56.09%
2018 1.7570 1.7057 2.1578 1.1955 1.3049 -21.90%
2017 1.5329 1.2010 1.8944 1.1875 1.6707 41.50%
2016 1.2558 1.1556 1.3816 1.0717 1.1807 -2.72%
2015 1.3116 1.3732 1.5711 1.0394 1.2137 -13.56%
2014 1.3145 1.1961 1.5958 1.1781 1.4041 15.09%
2013 1.1895 1.1861 1.4129 1.0292 1.2200 5.44%
2012 1.2696 1.2262 1.5230 1.0175 1.1571 -3.43%
2011 1.3213 1.6402 1.7959 1.0023 1.1982 -26.95%
2010 1.6604 1.9896 2.1364 1.3236 1.6402 -16.50%
2009 1.4953 1.0935 1.9643 0.8353 1.9643 97.95%
2008 1.2968 1.5457 1.7169 0.7644 0.9923 -38.03%
2007 2.0762 2.2572 2.4760 1.5040 1.6012 -28.86%
2006 2.0390 1.9941 2.4380 1.7628 2.2508 15.40%
2005 2.0610 1.9580 2.4997 1.7492 1.9504 -2.08%
2004 2.3435 2.6855 3.1975 1.8339 1.9918 -22.98%
2003 2.1320 1.7580 2.9519 1.4868 2.5862 53.24%
2002 3.0098 4.0831 4.7987 1.4969 1.6877 -58.24%
2001 3.3450 3.0198 4.5068 1.8942 4.0410 33.82%
Sector Industry Market Cap Revenue
Computer and Technology Semiconductors $17.066B $7.087B
UMC specializes in providing foundry services for high performancesemiconductor applications. Its core competency lies in its abilityto produce high yield Integrated Circuit wafers, manufactured on a per-customer basis. The company draws its distinction from industryleading technology. In addition to wafer manufacturing, its customers benefit from services such as extensive IP resources, free-of-charge design libraries, and full front-end and backend support.
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