Duolingo Inc vs FuelCell Energy Inc — how do they compare? Duolingo Inc trades at $150.02 (market cap $7.08B), while FuelCell Energy Inc trades at $17.97 (market cap $1.47B). The key difference: Duolingo Inc is far larger — about 4.8× FuelCell Energy Inc's market cap, and FuelCell Energy Inc is trading nearer its 52-week high, Duolingo Inc nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold Duolingo Inc for 137 Days and FuelCell Energy Inc for 48 Days on average.
| DUOL | FCEL | |
|---|---|---|
Market Cap | $7.08B | $1.47B |
Volume | 729,171 | 12,559,948 |
Sector | Technology | Industrials |
52-Week High | $341.08 | $36.01 |
52-Week Low | $90.03 | $6.00 |
Typical Hold Time | 137 Days | 48 Days |
Enterprise Value | $5.85B | $1.05B |
Signals from Pluang's Aura AI — not financial advice
Duolingo (DUOL) trades at $149.92, down 1.19% on the day, as the stock consolidates near key technical support levels. The company demonstrates strong fundamental momentum with Q2 2026 EPS beating expectations at $0.66 versus $0.60, continuing a pattern of earnings outperformance. Revenue growth remains robust at 39% year-over-year for 2025, reaching $1.04 billion, while maintaining exceptional profitability with a 35.87% net income margin. Technical indicators show a bullish moving average configuration despite neutral oscillators.
Duolingo presents a compelling growth story with accelerating revenue expansion and industry-leading margins, though valuation multiples appear elevated with a P/E of 17.87 and P/S of 6.47. Key risks include CEO share sales totaling $4.3 million in September 2026 and competitive pressures in the edtech space. Analyst consensus leans cautious with 54% hold ratings, suggesting the stock may be fairly valued near current levels despite strong operational performance.
FCEL trades at $18.03, down 1.82% on the day, with a neutral technical signal and bearish moving averages. The company reported Q2 2026 EPS of -$0.64, missing expectations, and has negative profitability margins. Recent news highlights a securities class action lawsuit filed against the company, alleging misleading disclosures between June and September 2026.
The outlook remains challenging due to persistent losses and legal risks, though analyst consensus suggests a $21.57 price target with a mixed rating distribution. Investment opportunities hinge on future revenue growth and cost management, while risks include ongoing litigation and failure to achieve profitability.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Latest headlines on both assets
Duolingo Inc is a mobile learning platform to learn languages and the top-grossing app in the Education category on both Google Play and the Apple App Store. It has three predominant sources of revenue
Read more on DUOL →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 →