Five9 Inc vs United Microelectronics Corp — how do they compare? Five9 Inc trades at $31.81 (market cap $2.44B), while United Microelectronics Corp trades at $19.4 (market cap $47.81B). The key difference: United Microelectronics Corp is far larger — about 19.6× Five9 Inc's market cap, and United Microelectronics Corp pays a 2.12% dividend while Five9 Inc pays none. Which is the better fit depends on your goals.
| FIVN | UMC | |
|---|---|---|
Market Cap | $2.44B | $47.81B |
Sector | Technology | Technology |
52-Week High | $34.48 | $28.02 |
52-Week Low | $13.61 | $6.58 |
Enterprise Value | $2.59B | $44.93B |
Dividend Yield | — | 2.12% |
Signals from Pluang's Aura AI — not financial advice
Five9 (FIVN) trades at $31.14, down 9.69% today but remains near its 52-week highs. The stock shows strong technical momentum with bullish moving averages and has consistently beaten earnings estimates in recent quarters. Revenue growth accelerated to 10% in Q2 2026, reaching $312.4 million, while the company maintains a solid gross margin of 54.91%. Recent management appointments and AI-driven subscription growth provide positive catalysts.
The outlook remains positive with 61% analyst buy ratings and a $32.67 consensus target offering 5% upside. However, elevated valuation multiples (P/E 47.99) and ongoing fiduciary investigations pose risks. The stock's trajectory depends on continued execution of AI revenue growth and margin expansion targets.
UMC trades at $19.50, up 3.78% today, with neutral technical signals and strong fundamental performance. The company has consistently beaten earnings estimates in recent quarters, with Q2 2026 EPS of $0.54 significantly exceeding the $0.16 expectation. Recent announcements include fab expansions in Singapore and Taiwan to meet AI-driven demand, supported by growing silicon photonics production. Valuation metrics show a P/E of 18.55 and P/S of 6.02, with robust profitability margins including 32.75% net income margin.
Outlook remains positive with projected revenue growth to $250.7B in 2026 and net income rebound to $82.1B. Key risks include semiconductor cycle volatility and execution challenges from capacity expansion. Analyst consensus shows mixed sentiment with 26.7% buy ratings versus 20% sell recommendations, suggesting cautious optimism amid expansion initiatives.
Trailing returns across standard periods
Five9 provides cloud-native contact center software that enables digital customer service, sales, and marketing engagement. The company's Virtual Contact Center platform combines core telephony functionality, omnichannel engagement capabilities, and various software modules into a unified cloud contact-center-as-a-service, or CCaaS, platform. Five9's artificial intelligence and automation portfolio supplements and enhances the firm's core CCaaS offerings, including solutions for digital self-service, agent assist technology, and workflow automation. Five9 also offers workforce optimization products that optimize call center efficiency through workforce management solutions, manage interaction quality, and track agent performance.
Read more on FIVN →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 →