United Microelectronics (NEW) Stock Price History
NYSE: UMCTechnologySemiconductorsUSD
22.96+0.14 (+0.61%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
UMC price history at a glance
The price history for United Microelectronics (NEW) (UMC) on this page begins on September 18, 2000, when the stock closed at $14.94; it most recently closed at $22.96 on October 5, 2026. The highest price in this record is $28.96, reached on June 22, 2026; the latest close is 20.7% below that peak. Across the 25 complete calendar years in the table, UMC finished higher in 12 and lower in 13. Its best year was 2020 (+216.9%) and its worst was 2002 (-62.9%).
Over roughly 26 years the share price changed +53.7%, a 1.7% compound annual price return (excluding dividends). In the last 12 months alone, UMC has gained 219.8%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2000
- $28.96
- Date of high
- Jun 22, 2026
- Low since 2000
- $1.42
- Date of low
- Aug 24, 2015
- 52-week high
- $28.96
- 52-week low
- $6.97
- Last close
- $22.96
UMC returns
1 week
-12.60%
1 month
+1.19%
3 months
-5.67%
6 months
+135.73%
Year to date
+192.11%
1 year
+219.78%
3 years
+223.38%
5 years
+120.98%
UMC price return, excluding dividends.
UMC annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 22.96 | +192.86% |
| 2025 | 7.84 | +19.33% |
| 2024 | 6.57 | -22.34% |
| 2023 | 8.46 | +29.56% |
| 2022 | 6.53 | -44.19% |
| 2021 | 11.70 | +38.79% |
| 2020 | 8.43 | +216.92% |
| 2019 | 2.66 | +54.65% |
| 2018 | 1.72 | -28.03% |
| 2017 | 2.39 | +36.57% |
| 2016 | 1.75 | -6.91% |
| 2015 | 1.88 | -15.32% |
| 2014 | 2.22 | +11.00% |
| 2013 | 2.00 | -6.98% |
| 2012 | 2.15 | +0.47% |
| 2011 | 2.14 | -32.28% |
| 2010 | 3.16 | -18.56% |
| 2009 | 3.88 | +79.63% |
| 2008 | 2.16 | -28.12% |
| 2007 | 3.00 | -37.28% |
| 2006 | 4.79 | +11.86% |
| 2005 | 4.28 | -11.62% |
| 2004 | 4.85 | -25.83% |
| 2003 | 6.53 | +45.67% |
| 2002 | 4.48 | -62.85% |
| 2001 | 12.07 | +37.72% |
| 2000* | 8.77 | -41.33% |
* Partial year: the record begins after the start of 2000; return measured from the first available close.
2026 return is year to date.
UMC daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 23.19 | 23.28 | 22.84 | 22.96 | +0.61% | |
| 23.14 | 23.32 | 22.51 | 22.82 | -2.10% | |
| 22.91 | 23.34 | 22.85 | 23.31 | +0.52% | |
| 23.54 | 23.67 | 23.05 | 23.19 | -3.05% | |
| 23.82 | 24.15 | 23.26 | 23.92 | -8.95% | |
| 25.67 | 26.37 | 25.52 | 26.27 | +4.20% | |
| 24.85 | 25.34 | 24.67 | 25.21 | +2.94% | |
| 24.45 | 24.69 | 24.35 | 24.49 | -0.93% | |
| 24.43 | 25.02 | 24.11 | 24.72 | +3.65% | |
| 24.08 | 24.21 | 23.42 | 23.85 | -1.89% | |
| 24.25 | 24.54 | 24.12 | 24.31 | +0.87% | |
| 24.11 | 24.35 | 23.80 | 24.10 | -2.35% | |
| 25.28 | 25.38 | 24.41 | 24.68 | -4.23% | |
| 25.26 | 25.80 | 25.13 | 25.77 | +1.34% | |
| 24.93 | 25.63 | 24.64 | 25.43 | +3.33% | |
| 24.45 | 24.71 | 23.88 | 24.61 | +0.57% | |
| 23.51 | 24.55 | 23.30 | 24.47 | +8.61% | |
| 22.49 | 22.84 | 22.25 | 22.53 | +4.26% | |
| 21.89 | 22.06 | 21.59 | 21.61 | -1.32% | |
| 22.08 | 22.26 | 21.81 | 21.90 | -3.27% | |
| 22.41 | 22.72 | 22.32 | 22.64 | +2.35% | |
| 21.94 | 22.28 | 21.84 | 22.12 | -2.51% | |
| 22.02 | 22.70 | 21.93 | 22.69 | +3.99% | |
| 21.58 | 22.20 | 21.58 | 21.82 | +5.06% | |
| 20.48 | 21.03 | 20.33 | 20.77 | +4.58% | |
| 19.57 | 19.95 | 19.45 | 19.86 | -0.55% | |
| 19.54 | 20.14 | 19.49 | 19.97 | -2.44% | |
| 20.43 | 20.84 | 20.19 | 20.47 | +2.97% | |
| 20.00 | 20.31 | 19.74 | 19.88 | +0.45% | |
| 20.65 | 20.78 | 19.59 | 19.79 | +3.78% | |
| 18.80 | 19.08 | 18.68 | 19.07 | +0.21% | |
| 19.41 | 19.46 | 18.84 | 19.03 | -2.91% | |
| 19.50 | 20.00 | 19.42 | 19.60 | +2.89% | |
| 19.50 | 19.50 | 18.77 | 19.05 | +3.87% | |
| 18.45 | 18.61 | 18.28 | 18.34 | +1.89% | |
| 18.03 | 18.24 | 17.88 | 18.00 | -0.66% | |
| 18.80 | 18.97 | 17.97 | 18.12 | -1.95% | |
| 18.56 | 18.76 | 18.14 | 18.48 | -5.38% | |
| 19.38 | 19.77 | 19.27 | 19.53 | +1.98% | |
| 18.94 | 19.17 | 18.75 | 19.15 | -1.19% | |
| 19.25 | 19.72 | 19.23 | 19.38 | +0.36% | |
| 19.67 | 19.67 | 19.30 | 19.31 | +1.95% | |
| 19.35 | 19.45 | 18.91 | 18.94 | +0.80% | |
| 19.27 | 19.35 | 18.77 | 18.79 | +0.37% | |
| 18.59 | 18.82 | 18.18 | 18.72 | -2.50% | |
| 18.90 | 19.57 | 18.73 | 19.20 | -0.47% | |
| 19.66 | 19.95 | 19.20 | 19.29 | -6.50% | |
| 19.78 | 20.85 | 19.59 | 20.63 | +10.38% | |
| 17.69 | 18.76 | 17.49 | 18.69 | -1.79% | |
| 19.78 | 20.08 | 18.82 | 19.03 | +0.48% | |
| 17.53 | 19.02 | 17.53 | 18.94 | +10.70% | |
| 17.05 | 18.13 | 16.96 | 17.11 | -1.44% | |
| 16.90 | 17.70 | 16.54 | 17.36 | -9.01% | |
| 20.03 | 20.15 | 18.57 | 19.08 | -2.05% | |
| 19.84 | 20.08 | 18.97 | 19.48 | -6.66% | |
| 20.72 | 21.11 | 20.44 | 20.87 | -1.97% | |
| 21.00 | 21.60 | 20.99 | 21.29 | +0.47% | |
| 21.51 | 21.51 | 20.89 | 21.19 | +4.38% | |
| 20.69 | 21.23 | 20.27 | 20.30 | -4.47% | |
| 20.55 | 21.74 | 20.16 | 21.25 | -4.67% | |
| 22.73 | 23.20 | 22.06 | 22.29 | -10.55% | |
| 25.60 | 25.80 | 24.21 | 24.92 | +4.53% | |
| 24.17 | 24.40 | 23.57 | 23.84 | +1.62% | |
| 23.56 | 23.73 | 23.01 | 23.46 | -3.62% | |
| 24.39 | 24.63 | 23.77 | 24.34 | -2.09% | |
| 25.02 | 25.49 | 24.65 | 24.86 | +0.53% | |
| 24.41 | 25.04 | 24.04 | 24.73 | +3.78% | |
| 24.10 | 24.47 | 23.34 | 23.83 | -7.74% | |
| 25.70 | 26.78 | 25.59 | 25.83 | +5.26% | |
| 26.06 | 26.29 | 24.15 | 24.54 | -4.55% | |
| 26.39 | 26.66 | 25.68 | 25.71 | -5.51% | |
| 26.33 | 27.27 | 26.14 | 27.21 | +1.38% | |
| 25.70 | 26.86 | 24.82 | 26.84 | +4.93% | |
| 25.48 | 26.09 | 24.87 | 25.58 | -7.75% | |
| 28.24 | 28.96 | 27.34 | 27.73 | -1.00% | |
| 26.40 | 28.66 | 26.40 | 28.01 | +6.91% | |
| 25.92 | 26.70 | 25.88 | 26.20 | -4.73% | |
| 26.90 | 28.28 | 26.80 | 27.50 | +14.20% | |
| 23.63 | 24.17 | 23.10 | 24.08 | +10.66% | |
| 22.27 | 22.53 | 21.75 | 21.76 | +0.65% | |
| 22.46 | 22.68 | 21.59 | 21.62 | -6.33% | |
| 22.55 | 23.36 | 22.38 | 23.08 | +6.70% | |
| 20.80 | 21.78 | 20.61 | 21.63 | +4.59% | |
| 19.86 | 20.85 | 19.84 | 20.68 | +9.42% | |
| 19.03 | 19.71 | 18.80 | 18.90 | -4.93% | |
| 20.49 | 20.80 | 18.70 | 19.88 | -0.60% | |
| 20.29 | 20.58 | 19.65 | 20.00 | +1.52% | |
| 20.55 | 20.70 | 19.64 | 19.70 | -5.24% | |
| 20.22 | 20.98 | 19.91 | 20.79 | -2.94% | |
| 21.11 | 21.50 | 20.58 | 21.42 | -4.63% | |
| 22.34 | 22.51 | 21.87 | 22.46 | -1.88% | |
| 22.97 | 23.02 | 22.14 | 22.89 | +3.20% | |
| 22.64 | 22.84 | 21.99 | 22.18 | -2.20% | |
| 22.38 | 23.20 | 21.76 | 22.68 | +2.07% | |
| 23.66 | 23.69 | 21.68 | 22.22 | +5.41% | |
| 21.03 | 21.52 | 20.50 | 21.08 | +15.70% | |
| 18.08 | 18.30 | 17.98 | 18.22 | -0.71% | |
| 18.12 | 18.45 | 18.01 | 18.35 | +4.50% | |
| 17.31 | 17.61 | 17.12 | 17.56 | -0.11% | |
| 17.42 | 18.10 | 17.30 | 17.58 | +2.69% | |
| 17.60 | 17.75 | 16.88 | 17.12 | -0.47% | |
| 16.90 | 17.43 | 16.84 | 17.20 | +0.41% | |
| 16.86 | 17.32 | 16.00 | 17.13 | +7.60% | |
| 15.58 | 16.14 | 15.57 | 15.92 | -0.87% | |
| 16.17 | 16.30 | 15.50 | 16.06 | +3.01% | |
| 15.65 | 15.90 | 15.39 | 15.59 | +1.10% | |
| 14.52 | 15.45 | 14.43 | 15.42 | +1.72% | |
| 15.24 | 15.45 | 15.02 | 15.16 | -0.46% | |
| 15.29 | 15.45 | 14.70 | 15.23 | +8.71% | |
| 13.50 | 14.22 | 13.42 | 14.01 | +7.94% | |
| 13.17 | 13.37 | 12.89 | 12.98 | -0.54% | |
| 13.03 | 13.20 | 12.96 | 13.05 | -0.08% | |
| 12.45 | 13.13 | 12.45 | 13.06 | +2.43% | |
| 12.43 | 13.39 | 12.10 | 12.75 | +9.35% | |
| 11.69 | 11.89 | 11.57 | 11.66 | -0.26% | |
| 11.58 | 11.79 | 11.46 | 11.69 | -4.80% | |
| 12.18 | 12.32 | 12.12 | 12.28 | +2.33% | |
| 11.97 | 12.10 | 11.82 | 12.00 | -5.59% | |
| 12.63 | 12.82 | 12.58 | 12.71 | +3.08% | |
| 12.18 | 12.44 | 12.05 | 12.33 | -2.45% | |
| 12.49 | 12.74 | 12.21 | 12.64 | +8.40% | |
| 11.85 | 11.86 | 11.41 | 11.66 | +9.79% | |
| 10.47 | 10.74 | 10.41 | 10.62 | +6.73% | |
| 9.91 | 9.96 | 9.80 | 9.95 | +3.75% | |
| 9.69 | 9.70 | 9.52 | 9.59 | -1.13% | |
| 9.53 | 9.72 | 9.46 | 9.70 | -0.41% | |
| 9.81 | 9.85 | 9.70 | 9.74 | +2.20% | |
| 9.37 | 9.54 | 9.37 | 9.53 | +0.63% | |
| 9.46 | 9.61 | 9.38 | 9.47 | +1.72% | |
| 9.09 | 9.31 | 8.98 | 9.31 | +7.13% | |
| 8.70 | 8.75 | 8.65 | 8.69 | +0.23% | |
| 8.29 | 8.69 | 8.29 | 8.67 | -3.34% | |
| 9.01 | 9.11 | 8.95 | 8.97 | -0.11% | |
| 8.92 | 9.04 | 8.75 | 8.98 | +4.30% | |
| 8.91 | 8.97 | 8.59 | 8.61 | -2.93% | |
| 9.02 | 9.05 | 8.87 | 8.87 | -1.66% | |
| 9.13 | 9.14 | 8.89 | 9.02 | -3.11% | |
| 9.39 | 9.40 | 9.26 | 9.31 | +2.87% | |
| 8.98 | 9.08 | 8.90 | 9.05 | -0.44% | |
| 9.11 | 9.26 | 9.06 | 9.09 | -0.33% | |
| 9.06 | 9.14 | 8.98 | 9.12 | -1.51% | |
| 9.00 | 9.31 | 8.99 | 9.26 | -0.43% | |
| 9.53 | 9.53 | 9.29 | 9.30 | -2.31% | |
| 9.49 | 9.57 | 9.46 | 9.52 | +0.53% | |
| 9.50 | 9.58 | 9.46 | 9.47 | +2.16% | |
| 9.44 | 9.51 | 9.23 | 9.27 | -0.86% | |
| 9.50 | 9.52 | 9.28 | 9.35 | -3.61% | |
| 9.73 | 9.90 | 9.70 | 9.70 | +2.32% | |
| 9.61 | 9.66 | 9.46 | 9.48 | -2.57% | |
| 9.39 | 9.75 | 9.36 | 9.73 | +1.35% | |
| 9.69 | 9.79 | 9.55 | 9.60 | -1.54% | |
| 9.85 | 9.98 | 9.55 | 9.75 | -1.32% | |
| 9.90 | 9.96 | 9.77 | 9.88 | -0.20% | |
| 9.87 | 10.01 | 9.81 | 9.90 | -5.80% | |
| 10.27 | 10.53 | 10.26 | 10.51 | +0.67% | |
| 10.26 | 10.46 | 10.18 | 10.44 | +1.36% | |
| 10.62 | 10.62 | 10.18 | 10.30 | -2.37% | |
| 10.50 | 10.64 | 10.43 | 10.55 | -3.39% | |
| 10.93 | 11.04 | 10.89 | 10.92 | +4.80% | |
| 10.40 | 10.53 | 10.33 | 10.42 | +0.19% | |
| 10.13 | 10.47 | 10.13 | 10.40 | +2.67% | |
| 10.23 | 10.24 | 10.07 | 10.13 | -0.98% | |
| 10.25 | 10.37 | 10.19 | 10.23 | -0.39% | |
| 10.27 | 10.33 | 10.15 | 10.27 | -1.44% | |
| 10.28 | 10.49 | 10.28 | 10.42 | +1.26% | |
| 10.44 | 10.44 | 10.18 | 10.29 | -0.10% | |
| 10.11 | 10.35 | 10.04 | 10.30 | +3.94% | |
| 10.00 | 10.07 | 9.90 | 9.91 | -1.39% | |
| 10.00 | 10.17 | 9.93 | 10.05 | -0.10% | |
| 10.06 | 10.20 | 9.99 | 10.06 | +0.90% | |
| 9.75 | 10.03 | 9.71 | 9.97 | +0.20% | |
| 10.02 | 10.12 | 9.78 | 9.95 | +1.02% | |
| 9.81 | 9.89 | 9.65 | 9.85 | -1.89% | |
| 9.77 | 10.10 | 9.69 | 10.04 | -1.38% | |
| 10.15 | 10.45 | 10.07 | 10.18 | -3.78% | |
| 10.71 | 10.79 | 10.37 | 10.58 | -7.03% | |
| 11.46 | 11.86 | 11.23 | 11.38 | -8.81% | |
| 12.52 | 12.68 | 12.22 | 12.48 | +10.15% | |
| 11.20 | 11.42 | 11.13 | 11.33 | +7.50% | |
| 10.30 | 10.56 | 10.26 | 10.54 | -3.30% | |
| 10.83 | 10.94 | 10.78 | 10.90 | -2.07% | |
| 10.85 | 11.20 | 10.85 | 11.13 | +3.25% | |
| 10.60 | 10.93 | 10.56 | 10.78 | +15.91% | |
| 9.26 | 9.37 | 9.15 | 9.30 | +6.04% | |
| 8.87 | 8.94 | 8.76 | 8.77 | -0.23% | |
| 8.58 | 8.80 | 8.52 | 8.79 | +1.50% | |
| 8.80 | 8.82 | 8.64 | 8.66 | -2.15% | |
| 8.76 | 8.89 | 8.76 | 8.85 | +0.68% | |
| 8.81 | 8.86 | 8.66 | 8.79 | +2.81% | |
| 8.56 | 8.72 | 8.47 | 8.55 | -4.26% | |
| 8.91 | 9.11 | 8.78 | 8.93 | +9.98% | |
| 7.85 | 8.15 | 7.84 | 8.12 | +4.50% | |
| 7.79 | 7.81 | 7.70 | 7.77 | -0.89% | |
| 7.85 | 7.90 | 7.76 | 7.84 | -0.25% | |
| 7.92 | 7.96 | 7.84 | 7.86 | -1.26% | |
| 7.98 | 8.00 | 7.94 | 7.96 | -0.13% | |
| 7.92 | 7.97 | 7.90 | 7.97 | -0.62% | |
| 7.99 | 8.06 | 7.99 | 8.02 | +0.25% | |
| 7.97 | 8.02 | 7.94 | 8.00 | +0.38% | |
| 8.04 | 8.05 | 7.92 | 7.97 | -1.97% | |
| 8.12 | 8.15 | 8.09 | 8.13 | +0.37% | |
| 8.09 | 8.17 | 8.09 | 8.10 | +0.37% | |
| 8.05 | 8.12 | 8.01 | 8.07 | +0.88% | |
| 8.08 | 8.16 | 7.98 | 8.00 | +1.39% | |
| 7.90 | 7.94 | 7.84 | 7.89 | +0.64% | |
| 7.92 | 7.95 | 7.83 | 7.84 | -0.38% | |
| 7.88 | 7.89 | 7.80 | 7.87 | -0.25% | |
| 7.91 | 7.91 | 7.78 | 7.89 | -1.38% | |
| 7.97 | 8.05 | 7.95 | 8.00 | -1.11% | |
| 8.02 | 8.10 | 7.97 | 8.09 | +0.50% | |
| 8.02 | 8.08 | 7.98 | 8.05 | +0.37% | |
| 7.90 | 8.06 | 7.88 | 8.02 | +1.91% | |
| 7.78 | 7.94 | 7.78 | 7.87 | +0.25% | |
| 7.67 | 7.87 | 7.66 | 7.85 | +0.90% | |
| 7.55 | 7.80 | 7.55 | 7.78 | +3.32% | |
| 7.49 | 7.60 | 7.48 | 7.53 | +0.94% | |
| 7.35 | 7.47 | 7.33 | 7.46 | +1.77% | |
| 7.31 | 7.43 | 7.28 | 7.33 | +0.83% | |
| 7.25 | 7.28 | 7.15 | 7.27 | -2.28% | |
| 7.33 | 7.45 | 7.33 | 7.44 | +2.76% | |
| 7.19 | 7.31 | 7.11 | 7.24 | +1.69% | |
| 7.26 | 7.27 | 7.05 | 7.12 | -1.52% | |
| 7.09 | 7.26 | 7.08 | 7.23 | +2.41% | |
| 6.99 | 7.12 | 6.99 | 7.06 | +0.57% | |
| 7.08 | 7.11 | 6.97 | 7.02 | -1.68% | |
| 7.09 | 7.24 | 7.07 | 7.14 | +0.42% | |
| 7.22 | 7.23 | 7.07 | 7.11 | -1.80% | |
| 7.25 | 7.33 | 7.16 | 7.24 | -1.90% | |
| 7.36 | 7.41 | 7.32 | 7.38 | -0.67% | |
| 7.43 | 7.45 | 7.34 | 7.43 | +0.27% | |
| 7.29 | 7.41 | 7.26 | 7.41 | +1.37% | |
| 7.48 | 7.50 | 7.15 | 7.31 | -5.80% | |
| 7.63 | 7.86 | 7.63 | 7.76 | +2.11% | |
| 7.69 | 7.72 | 7.60 | 7.60 | -3.06% | |
| 7.82 | 7.90 | 7.80 | 7.84 | +1.69% | |
| 7.61 | 7.85 | 7.57 | 7.71 | +2.39% | |
| 7.49 | 7.59 | 7.37 | 7.53 | +1.89% | |
| 7.80 | 7.81 | 7.29 | 7.39 | -3.15% | |
| 7.55 | 7.68 | 7.52 | 7.63 | +0.79% | |
| 7.52 | 7.58 | 7.42 | 7.57 | +0.40% | |
| 7.57 | 7.61 | 7.53 | 7.54 | +0.27% | |
| 7.35 | 7.55 | 7.35 | 7.52 | +1.90% | |
| 7.41 | 7.45 | 7.30 | 7.38 | -0.94% | |
| 7.49 | 7.49 | 7.37 | 7.45 | -0.93% | |
| 7.57 | 7.58 | 7.52 | 7.52 | +0.67% | |
| 7.47 | 7.54 | 7.40 | 7.47 | +0.54% | |
| 7.48 | 7.55 | 7.37 | 7.43 | +0.13% | |
| 7.42 | 7.45 | 7.33 | 7.42 | +0.27% | |
| 7.43 | 7.47 | 7.36 | 7.40 | -3.14% | |
| 7.50 | 7.66 | 7.42 | 7.64 | +6.41% | |
| 7.48 | 7.50 | 7.18 | 7.18 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the UMC chart for longer ranges.