Patterson-UTI Energy Inc. Common Stock vs United Microelectronics Corp — how do they compare? Patterson-UTI Energy Inc. Common Stock trades at $11.45 (market cap $4.28B), while United Microelectronics Corp trades at $23 (market cap $58.54B). The key difference: United Microelectronics Corp is far larger — about 13.7× Patterson-UTI Energy Inc. Common Stock's market cap, and Patterson-UTI Energy Inc. Common Stock pays the higher dividend (3.56%). Which is the better fit depends on your goals — on Pluang, investors hold Patterson-UTI Energy Inc. Common Stock for 0 Days and United Microelectronics Corp for 42 Days on average.
| PTEN | UMC | |
|---|---|---|
Market Cap | $4.28B | $58.54B |
Volume | 5,046,340 | 8,050,715 |
Sector | Energy | Technology |
52-Week High | $13.15 | $28.02 |
52-Week Low | $5.37 | $7.02 |
Typical Hold Time | 0 Days | 42 Days |
Enterprise Value | $5.37B | $55.62B |
Dividend Yield | 3.56% | 1.72% |
Signals from Pluang's Aura AI — not financial advice
No Aura AI signal available yet.
UMC trades at $22.82, down 1.6% on the day, with a bullish technical signal despite mixed moving average indicators. The company has delivered three consecutive earnings beats, with Q2 2026 EPS of $0.54 significantly exceeding the $0.16 estimate. Revenue growth remains steady, projected to reach $250.7B in 2026, while net income margin is expected to rebound to 32.75%. Recent news highlights strong AI-driven demand and specialty chip expansion.
UMC presents a mixed investment case with strong earnings momentum and AI growth potential offset by declining profit margins and competitive pressures. The stock appears moderately valued with a P/E of 22.48, while analyst consensus leans Hold (53.33%) with some institutional selling activity. Key risks include semiconductor cycle volatility and AI spending concerns impacting foundry stocks.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Patterson-UTI Energy provides drilling, completion, and other oilfield services for oil and gas producers in the United States.
Read more on PTEN →Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 7% market share in 2021, according to Gartner, after TSMC and GlobalFoundries. 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 U.S. and South Korea. UMC features a diverse customer base including Texas Instruments, MediaTek, Qualcomm, Broadcom, Xilinx and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 20,000 people.
Read more on UMC →