United Microelectronics Corporation
UMC | NYSE
$16.80
+$0.12 (+0.72%)
Nov 2, 2026, 11:01 AM ET · Market open
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Oct 30, 2026 | $8.29B | -$11.74B | -58.61% |
| Dec 26, 2025 | $20.03B | $3.35B | +20.07% |
| Dec 27, 2024 | $16.68B | -$4.25B | -20.32% |
| Dec 29, 2023 | $20.93B | $4.88B | +30.36% |
| Dec 30, 2022 | $16.06B | -$12.51B | -43.78% |
| Dec 31, 2021 | $28.56B | $8.15B | +39.92% |
| Dec 31, 2020 | $20.41B | $14.04B | +220.50% |
| Dec 27, 2019 | $6.37B | $2.08B | +48.43% |
| Dec 28, 2018 | $4.29B | -$1.54B | -26.46% |
| Dec 29, 2017 | $5.84B | $1.56B | +36.57% |
| Dec 30, 2016 | $4.27B | -$436.33M | -9.27% |
| Dec 31, 2015 | $4.71B | -$1.02B | -17.75% |
| Dec 26, 2014 | $5.73B | $718.13M | +14.34% |
| Dec 27, 2013 | $5.01B | -$44.22M | -0.88% |
| Dec 28, 2012 | $5.05B | -$344.46M | -6.38% |
| Dec 30, 2011 | $5.4B | -$2.47B | -31.42% |
| Dec 31, 2010 | $7.87B | -$1.94B | -19.77% |
| Dec 31, 2009 | $9.81B | $5.01B | +104.40% |
| Dec 26, 2008 | $4.8B | -$5.32B | -52.59% |
| Dec 28, 2007 | $10.12B | -$2.63B | -20.60% |
| Dec 29, 2006 | $12.75B | n/a | n/a |
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