Compare United Microelectronics Corp (UMC) vs Viavi Solutions Inc. Common Stock (VIAV) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
United Microelectronics Corp vs Viavi Solutions Inc. Common Stock — how do they compare? United Microelectronics Corp trades at $23.07 (market cap $58.02B), while Viavi Solutions Inc. Common Stock trades at $45.36 (market cap $10.85B). The key difference: United Microelectronics Corp is far larger — about 5.3× Viavi Solutions Inc. Common Stock's market cap, and United Microelectronics Corp pays a 1.76% dividend while Viavi Solutions Inc. Common Stock pays none. Which is the better fit depends on your goals — on Pluang, investors hold United Microelectronics Corp for 42 Days and Viavi Solutions Inc. Common Stock for 0 Days on average.
| UMC | VIAV | |
|---|---|---|
Market Cap | $58.02B | $10.85B |
Volume | 11,897,809 | 4,281,289 |
Sector | Technology | Technology |
52-Week High | $28.02 | $55.33 |
52-Week Low | $7.02 | $12.27 |
Typical Hold Time | 42 Days | 0 Days |
Enterprise Value | $55.10B | $10.89B |
Dividend Yield | 1.76% | — |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
UMC trades at $23.31, up 0.52% with a bullish technical signal despite mixed moving averages. The company shows strong profitability with 32.75% net margin and 21.03% ROE, though revenue growth has moderated from 2022 peaks. Recent earnings beats and a Zacks Strong Buy upgrade (September 17, 2026) highlight positive momentum, while cash flow turned positive in 2025 after two years of outflows.
The stock presents growth potential with expanding AI opportunities and strong 22/28nm demand, but faces risks from semiconductor cycle volatility and competitive pressures. Analyst consensus is mixed with 27% buy ratings versus 20% sell, suggesting cautious optimism amid elevated valuation multiples.
No Aura AI signal available yet.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Investor sentiment on Pluang
What Pluang investors did over the last 30 days
Investor sentiment on Pluang
What Pluang investors did over the last 30 days
About United Microelectronics Corp
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 →About Viavi Solutions Inc. Common Stock
Viavi Solutions provides network testing, monitoring, and optical technologies. Its products help communications providers, equipment makers, and enterprises build and maintain networks.
Read more on VIAV →
