Plug Power Inc vs Zscaler Inc — how do they compare? Plug Power Inc trades at $2.19 (market cap $3.16B), while Zscaler Inc trades at $166.36 (market cap $26.41B). The key difference: Zscaler Inc is far larger — about 8.4× Plug Power Inc's market cap. Which is the better fit depends on your goals.
| PLUG | ZS | |
|---|---|---|
Market Cap | $3.16B | $26.41B |
Sector | Industrials | Technology |
52-Week High | $4.14 | $336.27 |
52-Week Low | $1.44 | $118.05 |
Enterprise Value | $4.03B | $24.79B |
Signals from Pluang's Aura AI — not financial advice
Plug Power (PLUG) trades at $2.26, up 4.15% today, but remains in a challenging fundamental position with persistent losses. The company shows modest revenue recovery to $710 million in 2025 but continues to report negative gross margins and substantial net losses. Technical indicators suggest a bullish short-term trend, while analyst sentiment remains divided with a $4.04 consensus price target representing significant upside potential from current levels.
While PLUG offers substantial upside based on analyst targets and growing electrolyzer demand, the investment carries high risk due to ongoing operational losses, negative cash flow, and heavy reliance on financing. The company's turnaround strategy shows early progress but requires sustained execution to achieve profitability amid competitive pressures in the hydrogen sector.
Zscaler (ZS) trades at $161.94, down 4.63% amid bearish technical signals despite strong quarterly earnings beats. The stock shows improving fundamentals with revenue growing from $1.1B in 2022 to $2.67B in 2025, though net margins remain negative. Recent news highlights Zscaler's AI security innovations and conference presentations, while analyst consensus remains strongly bullish with a $204.88 price target representing 26% upside potential.
Zscaler presents a compelling growth story with accelerating revenue and strong enterprise adoption, though profitability challenges and elevated valuation metrics warrant caution. The stock's current weakness near support levels offers potential entry points for investors bullish on cybersecurity demand, particularly given Zscaler's leadership in zero-trust security and AI-driven threat protection capabilities.
Trailing returns across standard periods
Latest headlines on both assets
Plug Power is building an end-to-end green hydrogen ecosystem—from production, storage and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe. Plug will deliver its green hydrogen solutions directly to its customers and through joint venture partners into multiple end markets—including material handling, e-mobility, power generation, and industrial applications.
Read more on PLUG →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 →