UMC

United Microelectronics (UMC) Market Capitalization Overview
Market Cap: $45.25B as of Oct 29, 2026
$45.25B
$16.91B (27.20%)past month
As of Oct 29, 2026, United Microelectronics (UMC) has a market capitalization of $45.25B. Over the past 30 days, its market cap has increased by 23.16%, while in the last 12 months, it has increased by 128.63%.
Market capitalization represents the total value of United Microelectronics as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
United Microelectronics (UMC) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of United Microelectronics (UMC) helps investors assess the company's size and compare it with competitors for better investment decisions.
Market capitalization represents the total value of United Microelectronics as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
United Microelectronics (UMC) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of United Microelectronics (UMC) helps investors assess the company's size and compare it with competitors for better investment decisions.
United Microelectronics (UMC) Market Cap & Key Trends
See United Microelectronics’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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United Microelectronics (UMC) Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| Oct 1, 2026 | $63.38B | +23.16% |
| Sep 1, 2026 | $51.47B | +9.46% |
| Aug 3, 2026 | $47.02B | -27.30% |
| Jul 1, 2026 | $64.68B | +12.32% |
| Jun 1, 2026 | $57.58B | +75.38% |
| May 1, 2026 | $32.83B | +45.48% |
| Apr 1, 2026 | $22.57B | -14.72% |
| Mar 2, 2026 | $26.47B | +4.68% |
| Feb 2, 2026 | $25.28B | +28.06% |
| Jan 2, 2026 | $19.74B | +4.38% |
United Microelectronics (UMC) End of Year Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| 2026 | $45.25B | +128.63% |
| 2025 | $19.79B | +21.37% |
| 2024 | $16.31B | -23.10% |
| 2023 | $21.21B | +29.82% |
| 2022 | $16.34B | -44.09% |
| 2021 | $29.22B | — |
FAQs About United Microelectronics (UMC) Market Cap
As of Oct 29, 2026, the market capitalization of United Microelectronics (UMC) is $45.25B. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.
In the last 30 days, United Microelectronics’s market capitalization has decreased by -27.20%, changing from $62.15B to $45.25B as of Oct 29, 2026.
In the last 3 months, United Microelectronics’s market capitalization has increased by —, changing from – to – as of –.
In the year 2025, United Microelectronics’s market capitalization increased from $16.31B in January to $19.79B in December, reflecting a 21.37% change.
In the past five years, United Microelectronics (UMC) has had a compound annual growth rate (CAGR) of -7.49% in market capitalization. This means its market cap has shrunk at an average rate of -7.49% per year.
United Microelectronics (UMC) Market Cap & Key Trends
See United Microelectronics’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
Start investing in United Microelectronics (UMC)
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Disclaimer: Any investment listed here, which may be available on the Public platform, is intended to be used for informational purposes only, should not be the sole basis for making an investment decision, and is not a recommendation or advice.