Price movement over the last 24 hours
Arm Holdings plc vs United Microelectronics Corp — how do they compare? Arm Holdings plc trades at $315.4 (market cap $345.41B), while United Microelectronics Corp trades at $23.93 (market cap $61.20B). The key difference: Arm Holdings plc is far larger — about 5.6× United Microelectronics Corp's market cap, and United Microelectronics Corp pays a 1.69% dividend while Arm Holdings plc pays none. Which is the better fit depends on your goals.
| ARM | UMC | |
|---|---|---|
Market Cap | $345.41B | $61.20B |
Sector | Technology | Technology |
52-Week High | $439.46 | $28.02 |
52-Week Low | $104.55 | $6.58 |
Enterprise Value | $342.26B | $58.77B |
Dividend Yield | — | 1.69% |
Signals from Pluang's Aura AI — not financial advice
ARM Holdings trades at $323.39, down 1.37% over 24 hours, with a bullish technical outlook supported by moving averages and strong quarterly earnings beats. The company reported robust revenue growth to $4.01B in 2025, with net income of $792M, though valuation ratios like P/E of 380.46 reflect premium pricing. Recent news highlights ARM's role in AI infrastructure and data center expansion, driving investor optimism.
Outlook remains positive with analyst consensus favoring buy ratings (74.07%) and a $321.65 price target, but risks include high valuation sensitivity and competitive pressures in the semiconductor space. Upside potential hinges on continued AI-driven demand and execution of growth initiatives like the AGI CPU launch.
UMC trades at $24.34, down 2.09% today, with a bullish technical signal from moving averages and neutral oscillators. Revenue grew to $237.55B in 2025, though net income margin compressed to 16.99%. Recent June 2026 sales rose 22.85% year-over-year, and the company launched a 14nm eHV FinFET platform for display drivers. Analyst consensus is mixed with 27% buy ratings, while institutional sentiment leans positive amid AI and automotive chip demand.
Outlook: UMC benefits from specialty semiconductor demand, but high P/E of 39.52 and margin pressures pose valuation risks. Earnings beats and dividend payments support income investors, yet competition and cyclical industry volatility require caution for growth-focused shareholders.
Trailing returns across standard periods
Latest headlines on both assets
Arm Holdings designs the architecture for high-performance, energy-efficient processors used in nearly all smartphones and millions of other devices. Its intellectual property powers global computing from mobile to AI.
Read more on ARM →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 →