UMC Stock Summary and Trading Ideas (United Microelectronics (New) | NYSE:UMC)

Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.

United Microelectronics (New) trades on the NYSE stock market under the symbol UMC.

As of September 4, 2026, UMC stock price climbed to $20.77 with 9,366,736 million shares trading.

UMC has a beta of 1.88, meaning it tends to be more sensitive to market movements. UMC has a correlation of 0.21 to the broad based SPY ETF.

UMC has a market cap of $52.12 billion. This is considered a Large Cap stock.

Last quarter United Microelectronics (New) reported $2 billion in Revenue and $.54 earnings per share. This beat revenue expectation by $116 million and exceeded earnings estimates by $.39.

In the last 3 years, UMC traded as high as $28.96 and as low as $5.61.

The top ETF exchange traded funds that UMC belongs to (by Net Assets): SOXX, SOXL, VWO, SPEM, CHPY.

UMC has outperformed the market in the last year with a price return of +207.9% while the SPY ETF gained +19.8%. However, in the short term, UMC had mixed performance relative to the market. It has underperformed in the last 3 months, returning +1.9% vs +2.0% return in SPY. But in the last 2 weeks, UMC shares have fared better than the market returning +13.2% compared to SPY +0.6%.

UMC support price is $19.17 and resistance is $20.56 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that UMC shares will trade within this expected range on the day.