United Microelectronics Corp vs Zscaler Inc — how do they compare? United Microelectronics Corp trades at $19.35 (market cap $47.81B), while Zscaler Inc trades at $176.2 (market cap $28.87B). The key difference: United Microelectronics Corp is the larger of the two by market cap, and United Microelectronics Corp pays a 2.12% dividend while Zscaler Inc pays none. Which is the better fit depends on your goals.
| UMC | ZS | |
|---|---|---|
Market Cap | $47.81B | $28.87B |
Sector | Technology | Technology |
52-Week High | $28.02 | $336.27 |
52-Week Low | $6.58 | $118.05 |
Enterprise Value | $44.93B | $27.20B |
Dividend Yield | 2.12% | — |
Signals from Pluang's Aura AI — not financial advice
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.
Zscaler (ZS) trades at $176.94, up 0.15% with strong bullish technical signals and positive analyst sentiment. The stock shows consistent revenue growth from $1.1B in 2022 to $2.67B in 2025, though it remains unprofitable with a -2.44% net margin. Recent earnings beats and leadership in Gartner Magic Quadrant for SASE platforms highlight operational strength. Current price sits near resistance at $177 with RSI indicating overbought conditions.
Outlook remains positive with 79% analyst buy ratings and $191.81 consensus target, but risks include negative profitability, high valuation multiples (P/S 8.94), and projected negative cash flow in 2026. The cybersecurity leader benefits from AI-driven security demand but faces execution risks amid competitive pressures.
Trailing returns across standard periods
Latest headlines on both assets
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 →Zscaler is a security-as-a-service firm that offers its customers cloud-delivered solutions for protecting user devices and data. The firm leverages its position in 150 colocation data centers to deliver traditionally appliance-based security functionality, such as firewalls and sandboxes, as a completely cloud-native platform. The firm focuses on large enterprise customers and offers two primary product suites: Zscaler Internet Access, which securely connects users to externally managed application and websites (such as Salesforce and Google), and Zscaler Private Access, which securely connects users to internally managed applications. Both product suites encompass a broad gamut of capabilities situated across the traditional security stack.
Read more on ZS →