UMC vs STM
Comparison between United Micro Electronics (UMC, Company) and ST Microelectronics (STM, Company).
Both UMC and STM are from the Technology sector.
5-Year PerformanceUMC has outperformed STM, delivering a return of +28.5% compared to +14.3%
UMC vs STM - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
UMC vs STM - Historical Returns
Returns include dividend reinvestment.
UMC vs STM - Annual Returns (1999 - 2026)
Returns include dividend reinvestment.
| Year | UMC | STM |
|---|---|---|
| 2026 | +222.38% | +161.89% |
| 2025 | +27.63% | +8.18% |
| 2024 | -17.24% | -47.83% |
| 2023 | +37.28% | +42.54% |
| 2022 | -40.26% | -28.69% |
| 2021 | +50.62% | +27.60% |
| 2020 | +226.41% | +34.11% |
| 2019 | +57.74% | +98.37% |
| 2018 | -23.54% | -37.25% |
| 2017 | +37.65% | +101.31% |
| 2016 | +0.83% | +78.40% |
| 2015 | -12.78% | -7.82% |
| 2014 | +16.82% | +0.21% |
| 2013 | +2.10% | +12.24% |
| 2012 | -6.57% | +21.80% |
| 2011 | -28.20% | -42.52% |
| 2010 | -18.16% | +15.26% |
| 2009 | +79.63% | +40.08% |
| 2008 | -36.82% | -51.61% |
| 2007 | +0.65% | -21.20% |
| 2006 | +12.28% | -0.53% |
| 2005 | -9.79% | -5.14% |
| 2004 | -11.53% | -28.70% |
| 2003 | +71.20% | +28.80% |
| 2002 | -52.32% | -42.05% |
| 2001 | +27.76% | -21.37% |
| 2000 | -41.07% | -17.21% |
| 1999 | N/A | +68.62% |
UMC vs STM Drawdown Comparison
The maximum drawdown for UMC was -73.00%, occurring on Oct 27, 2008. Recovery took 4992 trading sessions.
The maximum drawdown for STM was -94.40%, occurring on Mar 9, 2009. Recovery took 5445 trading sessions.
The current UMC drawdown is -9.77%. The current STM drawdown is -10.55%.
| Rank | UMC | STM |
|---|---|---|
| #1 | -73.00% Sep 20, 2000 - Jul 27, 2020 | -94.40% Mar 9, 2000 - Oct 28, 2021 |
| #2 | -54.48% Dec 7, 2021 - Jan 20, 2026 | -66.67% Jul 27, 2023 - Apr 30, 2026 |
| #3 | -31.01% Jan 27, 2026 - Apr 20, 2026 | -43.05% Nov 18, 2021 - Mar 30, 2023 |
| #4 | -26.99% Apr 26, 2021 - Aug 4, 2021 | -22.73% Mar 31, 2023 - Jul 27, 2023 |
| #5 | -25.51% Feb 12, 2021 - Apr 26, 2021 | -18.61% Jan 3, 2000 - Jan 20, 2000 |
| #6 | -24.35% Aug 6, 2020 - Sep 28, 2020 | -15.70% Jun 22, 2026 - Jul 7, 2026 |
| #7 | -18.72% Sep 3, 2021 - Dec 7, 2021 | -14.46% Feb 8, 2000 - Mar 9, 2000 |
| #8 | -17.43% Jun 1, 2026 - Jun 15, 2026 | -11.28% Jun 3, 2026 - Jun 22, 2026 |
| #9 | -14.92% Jun 24, 2026 - Jul 7, 2026 | -7.99% Dec 7, 1999 - Dec 16, 1999 |
| #10 | -13.07% Aug 5, 2021 - Sep 1, 2021 | -6.28% Nov 18, 1999 - Nov 26, 1999 |
| #11 | -12.61% Dec 7, 2020 - Jan 11, 2021 | -5.31% May 14, 2026 - May 20, 2026 |
| #12 | -11.88% Jan 22, 2021 - Feb 9, 2021 | -5.23% Jan 25, 2000 - Feb 1, 2000 |
| #13 | -10.62% Oct 22, 2020 - Nov 23, 2020 | -5.14% Nov 11, 1999 - Nov 18, 1999 |
| #14 | -8.60% Oct 9, 2020 - Oct 22, 2020 | -4.22% Nov 8, 2021 - Nov 18, 2021 |
| #15 | -8.26% Apr 22, 2026 - Apr 29, 2026 | -4.16% May 26, 2026 - Jun 2, 2026 |
Correlation
Correlation between UMC and STM is 0.85 which considered as a strong positive correlation - the stocks tend to move together.
Dividend Comparison (2000 - 2026)
UMC vs STM dividend yield comparison.
| Year | UMC | STM |
|---|---|---|
| 2026 | 1.66% | 0.25% |
| 2025 | 6.06% | 1.39% |
| 2024 | 7.14% | 1.32% |
| 2023 | 6.93% | 0.48% |
| 2022 | 7.92% | 0.67% |
| 2021 | 2.44% | 0.45% |
| 2020 | 1.61% | 0.50% |
| 2019 | 3.51% | 0.89% |
| 2018 | 6.59% | 1.73% |
| 2017 | 2.41% | 0.98% |
| 2016 | 3.61% | 2.10% |
| 2015 | 3.15% | 5.11% |
| 2014 | 3.28% | 4.55% |
| 2013 | 2.32% | 4.25% |
| 2012 | 2.93% | 5.87% |
| 2011 | 6.70% | 5.30% |
| 2010 | 1.73% | 1.95% |
| 2009 | 0.00% | 1.65% |
| 2008 | 3.81% | 3.50% |
| 2007 | 1.88% | 1.78% |
| 2006 | 1.38% | 0.49% |
| 2005 | 0.40% | 0.50% |
| 2004 | 19.83% | 0.47% |
| 2003 | 14.14% | 0.22% |
| 2002 | 20.83% | 0.15% |
| 2001 | 7.29% | 0.09% |
| 2000 | 0.00% | 0.05% |
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