FuelCell Energy Inc vs F5 Inc — how do they compare? FuelCell Energy Inc trades at $19.28 (market cap $1.59B), while F5 Inc trades at $415.62 (market cap $23.22B). The key difference: F5 Inc is far larger — about 14.6× FuelCell Energy Inc's market cap, and F5 Inc is trading nearer its 52-week high, FuelCell Energy Inc nearer its low. Which is the better fit depends on your goals.
| FCEL | FFIV | |
|---|---|---|
Market Cap | $1.59B | $23.22B |
Sector | Industrials | Technology |
52-Week High | $36.01 | $431.26 |
52-Week Low | $3.92 | $223.99 |
Enterprise Value | $1.43B | $21.86B |
Signals from Pluang's Aura AI — not financial advice
FCEL trades at $20.43, up 0.54% today, near the analyst consensus target of $20.75. The stock shows a bearish technical signal with negative moving averages, while fundamentals reveal persistent losses: revenue grew to $158.16M in 2025 but net income margin was -132.41%. Recent news highlights partnerships with Siemens and AI data center demand as growth catalysts, though cash flow from operations remains negative at -$125.29M.
FCEL presents high-risk growth potential driven by alternative energy tailwinds and strategic alliances, but investment is speculative due to unprofitability, cash burn, and competitive pressures. Analysts are split evenly between Buy and Hold ratings, reflecting cautious optimism amid financial challenges. The stock's outlook hinges on execution toward profitability and scaling commercial projects.
F5 (FFIV) trades at $400.23, down 3.11% on the day, with a bearish technical signal from moving averages but neutral oscillators. The company reported strong Q3 2026 earnings, beating estimates with EPS of $4.73 versus $4.00 expected, and raised its fiscal outlook, driven by 19% product revenue growth. Fundamentals show robust profitability with a net income margin of 21.95% and consistent revenue growth, though valuation ratios like a P/E of 31.89 appear elevated. Analyst sentiment is mixed with a 40% buy rating.
The outlook is cautiously optimistic given earnings momentum and raised guidance, but risks include high valuation and competitive pressures. The consensus price target of $430.43 suggests modest upside potential from current levels, contingent on sustained execution in application security and hybrid cloud demand.
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 →F5 is a market leader in the application delivery controller market. The company sells products for networking traffic, security, and policy management. Its products ensure applications are safely routed in efficient manners within on-premises data centers and across cloud environments. More than half of its revenue is based on providing services, and its three customer verticals are enterprises, service providers, and government entities. The Seattle-based firm was incorporated in 1996 and generates sales globally.
Read more on FFIV →