United Microelectronics Corporation (UMC) Stock Price History
Historical prices from 2000 to 2026
- 1M
- +35.3%
- 3M
- -6.3%
- YTD
- +228.7%
- 1Y
- +255.0%
- 3Y
- +54.3%
- 5Y
- +17.0%
Loading 10-year price history...
UMC Historical Performance
UMC Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -60.2%
- 2003 annual price return
- +47.2%
- 2004 annual price return
- -26.3%
- 2005 annual price return
- -0.7%
- 2006 annual price return
- +10.6%
- 2007 annual price return
- -31.0%
- 2008 annual price return
- -38.8%
- 2009 annual price return
- +79.6%
- 2010 annual price return
- -19.6%
- 2011 annual price return
- -32.3%
- 2012 annual price return
- -9.1%
- 2013 annual price return
- +0.0%
- 2014 annual price return
- +13.5%
- 2015 annual price return
- -15.3%
- 2016 annual price return
- -2.2%
- 2017 annual price return
- +34.3%
- 2018 annual price return
- -26.6%
- 2019 annual price return
- +51.4%
- 2020 annual price return
- +211.1%
- 2021 annual price return
- +46.1%
- 2022 annual price return
- -43.9%
- 2023 annual price return
- +28.0%
- 2024 annual price return
- -21.6%
- 2025 annual price return
- +20.4%
- 2026 annual price return
- +142.7%
UMC Stock Price Trajectory (2000–2026)
As of September 23, 2026, United Microelectronics Corporation (UMC) trades at $25.77, representing a +255.0% return over the past year. The stock has delivered a +140.4% total return over five years (+17.0% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $28.96 on June 25, 2026. From this peak, UMC has corrected -11.0%, currently trading 70% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers TSM (+65.8% 1Y), GFS (+44.6% 1Y), and IMOS (+245.3% 1Y), UMC has underperformed the peer group average. Compare UMC vs TSM →
UMC Historical Price Data · from 2000
Rows 1–50 of 6,540| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-22 | 25.18 | 25.80 | 25.13 | 25.77 | 8.33M | +1.34% |
| 2026-09-21 | 24.93 | 25.57 | 24.64 | 25.43 | 10.97M | +3.33% |
| 2026-09-18 | 24.45 | 24.71 | 23.88 | 24.61 | 28.98M | +0.57% |
| 2026-09-17 | 23.42 | 24.55 | 23.30 | 24.47 | 17.70M | +8.61% |
| 2026-09-16 | 22.49 | 22.84 | 22.25 | 22.53 | 10.07M | +4.26% |
| 2026-09-15 | 21.77 | 22.05 | 21.59 | 21.61 | 8.24M | -1.32% |
| 2026-09-14 | 22.07 | 22.25 | 21.81 | 21.90 | 15.26M | -3.27% |
| 2026-09-11 | 22.44 | 22.71 | 22.32 | 22.64 | 7.17M | +2.35% |
| 2026-09-10 | 21.87 | 22.28 | 21.84 | 22.12 | 10.12M | -2.51% |
| 2026-09-09 | 22.02 | 22.70 | 21.93 | 22.69 | 9.79M | +3.99% |
| 2026-09-08 | 21.71 | 22.20 | 21.64 | 21.82 | 11.52M | +5.06% |
| 2026-09-04 | 20.45 | 21.03 | 20.33 | 20.77 | 9.97M | +4.58% |
| 2026-09-03 | 19.57 | 19.95 | 19.45 | 19.86 | 5.94M | -0.55% |
| 2026-09-02 | 19.66 | 20.14 | 19.49 | 19.97 | 8.75M | -2.44% |
| 2026-09-01 | 20.43 | 20.84 | 20.19 | 20.47 | 17.84M | +2.97% |
| 2026-08-31 | 19.97 | 20.31 | 19.73 | 19.88 | 8.83M | +0.45% |
| 2026-08-28 | 20.65 | 20.75 | 19.59 | 19.79 | 19.17M | +3.78% |
| 2026-08-27 | 18.80 | 19.08 | 18.68 | 19.07 | 9.12M | +0.21% |
| 2026-08-26 | 19.41 | 19.46 | 18.84 | 19.03 | 6.09M | -2.91% |
| 2026-08-25 | 19.60 | 20.00 | 19.42 | 19.60 | 10.10M | +2.89% |
| 2026-08-24 | 19.50 | 19.50 | 18.77 | 19.05 | 14.93M | +3.87% |
| 2026-08-21 | 18.45 | 18.61 | 18.27 | 18.34 | 7.31M | +1.89% |
| 2026-08-20 | 18.03 | 18.24 | 17.88 | 18.00 | 10.51M | -0.66% |
| 2026-08-19 | 18.80 | 18.97 | 17.97 | 18.12 | 12.43M | -1.95% |
| 2026-08-18 | 18.56 | 18.76 | 18.14 | 18.48 | 17.42M | -5.38% |
| 2026-08-17 | 19.38 | 19.77 | 19.27 | 19.53 | 7.97M | +1.98% |
| 2026-08-14 | 18.94 | 19.17 | 18.75 | 19.15 | 7.18M | -1.19% |
| 2026-08-13 | 19.25 | 19.72 | 19.23 | 19.38 | 7.68M | +0.36% |
| 2026-08-12 | 19.67 | 19.67 | 19.30 | 19.31 | 10.60M | +1.95% |
| 2026-08-11 | 19.35 | 19.45 | 18.91 | 18.94 | 7.55M | +0.80% |
| 2026-08-10 | 19.27 | 19.35 | 18.77 | 18.79 | 9.61M | +0.37% |
| 2026-08-07 | 18.59 | 18.82 | 18.18 | 18.72 | 13.37M | -2.50% |
| 2026-08-06 | 18.90 | 19.57 | 18.73 | 19.20 | 11.96M | -0.47% |
| 2026-08-05 | 19.66 | 19.95 | 19.20 | 19.29 | 15.10M | -6.50% |
| 2026-08-04 | 19.78 | 20.85 | 19.59 | 20.63 | 20.08M | +10.38% |
| 2026-08-03 | 17.69 | 18.76 | 17.49 | 18.69 | 12.06M | -1.79% |
| 2026-07-31 | 19.78 | 20.08 | 18.82 | 19.03 | 16.74M | +0.48% |
| 2026-07-30 | 17.53 | 19.02 | 17.53 | 18.94 | 24.76M | +10.70% |
| 2026-07-29 | 17.05 | 18.13 | 16.96 | 17.11 | 24.70M | -1.44% |
| 2026-07-28 | 16.90 | 17.70 | 16.54 | 17.36 | 26.58M | -9.01% |
| 2026-07-27 | 20.03 | 20.15 | 18.57 | 19.08 | 15.48M | -2.05% |
| 2026-07-24 | 19.84 | 20.08 | 18.97 | 19.48 | 16.40M | -6.66% |
| 2026-07-23 | 20.72 | 21.11 | 20.43 | 20.87 | 9.19M | -1.97% |
| 2026-07-22 | 21.00 | 21.60 | 20.99 | 21.29 | 7.36M | +0.47% |
| 2026-07-21 | 21.51 | 21.51 | 20.89 | 21.19 | 17.37M | +4.38% |
| 2026-07-20 | 20.69 | 21.23 | 20.27 | 20.30 | 15.36M | -4.47% |
| 2026-07-17 | 20.55 | 21.74 | 20.16 | 21.25 | 20.77M | -4.67% |
| 2026-07-16 | 22.73 | 23.20 | 22.06 | 22.29 | 20.90M | -10.55% |
| 2026-07-15 | 25.60 | 25.80 | 24.21 | 24.92 | 15.71M | +4.53% |
| 2026-07-14 | 24.17 | 24.40 | 23.57 | 23.84 | 13.18M | +1.62% |
UMC Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
UMC — Frequently Asked Questions
Quick answers to the most common questions about buying UMC stock.
How has UMC stock performed recently?
UMC returned +255.0% over the past year, beating its 5-year annualized CAGR of +17.0%. The stock trades above its 200-day moving average, confirming the uptrend.
What is UMC's all-time high price?
United Microelectronics Corporation reached $28.96 on 2026-06-25. The 52-week high is $28.96. Current 1-year return of +255.0% places the stock closer to historical peaks.
Where can I download UMC historical price data?
This page provides UMC daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2000-2026, downloadable in CSV format.