FuelCell Energy Inc vs Zscaler Inc — how do they compare? FuelCell Energy Inc trades at $21.41 (market cap $1.54B), while Zscaler Inc trades at $177.1 (market cap $28.87B). The key difference: Zscaler Inc is far larger — about 18.7× FuelCell Energy Inc's market cap, and FuelCell Energy Inc is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals.
| FCEL | ZS | |
|---|---|---|
Market Cap | $1.54B | $28.87B |
Sector | Industrials | Technology |
52-Week High | $36.01 | $336.27 |
52-Week Low | $3.92 | $118.05 |
Enterprise Value | $1.38B | $27.20B |
Signals from Pluang's Aura AI — not financial advice
FCEL trades at $21.32, up 7.51% in the last 24 hours, with a bearish technical signal and RSI near oversold levels. The company reported a net loss of $187.9 million in 2025, with negative gross and net income margins, though revenue grew to $158.16 million. Recent news highlights partnerships with Siemens and focus on AI-driven power demand, but cash flow from operations remains negative.
The outlook is mixed: analyst consensus is split between Buy and Hold with a $20.75 price target, slightly below current price. Key risks include persistent losses, high cash burn, and competitive pressures in the hydrogen sector. Upside potential hinges on execution of growth initiatives and profitability improvements.
Zscaler (ZS) trades at $176.68, up 4.74% with strong technical momentum and bullish analyst sentiment. The stock shows consistent revenue growth from $1.1B in 2022 to $2.67B in 2025, though profitability remains negative with a -2.44% net margin. Recent earnings beats and leadership in Gartner's Magic Quadrant for security platforms support positive momentum, while elevated valuation ratios (P/S 8.94, EV/EBITDA 188.83) reflect growth expectations.
Outlook remains cautiously optimistic with 79% analyst buy ratings and $191.81 consensus target, but risks include persistent unprofitability, high spending, and competitive pressures. The upcoming Q2 2026 earnings report on September 3 will be critical for validating growth trajectory amid concerns about execution and valuation sustainability.
Trailing returns across standard periods
Latest headlines on both assets
FuelCell Energy Inc is a fuel-cell power company. FuelCell designs manufactures, sells, installs, operates, and services fuel cell products, which efficiently convert chemical energy in fuels into electricity through a series of chemical reactions. It serves various industries such as Industrial, Wastewater treatment, Commercial and Hospitality, Data centers and Communications, Education and Healthcare, and others. Geographically, the company generates a majority of its revenue from the United States followed by South Korea.
Read more on FCEL →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 →