Roku Inc. Class A Common Stock vs United Microelectronics Corp — how do they compare? Roku Inc. Class A Common Stock trades at $153.61 (market cap $22.84B), while United Microelectronics Corp trades at $23.1 (market cap $58.02B). The key difference: United Microelectronics Corp is far larger — about 2.5× Roku Inc. Class A Common Stock's market cap, and United Microelectronics Corp pays a 1.76% dividend while Roku Inc. Class A Common Stock pays none. Which is the better fit depends on your goals — on Pluang, investors hold Roku Inc. Class A Common Stock for 0 Days and United Microelectronics Corp for 42 Days on average.
| ROKU | UMC | |
|---|---|---|
Market Cap | $22.84B | $58.02B |
Volume | 1,030,322 | 11,897,809 |
Sector | Media | Technology |
52-Week High | $159.76 | $28.02 |
52-Week Low | $82.93 | $7.02 |
Typical Hold Time | 0 Days | 42 Days |
Enterprise Value | $20.76B | $55.10B |
Dividend Yield | — | 1.76% |
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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.
Trailing returns across standard periods
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Roku operates a streaming platform that combines its operating system, streaming devices, TV partnerships, and advertising services. It connects viewers with streaming content and services.
Read more on ROKU →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 →