Duolingo Inc (DUOL)vsSonos Inc (SONO)
DUOL
Duolingo Inc
$157.42
-4.08%
TECHNOLOGY · Cap: $7.39B
SONO
Sonos Inc
$18.11
-4.98%
TECHNOLOGY · Cap: $2.25B
Smart Verdict
WallStSmart Research — data-driven comparison
Sonos Inc generates 31% more annual revenue ($1.55B vs $1.18B). DUOL leads profitability with a 12.3% profit margin vs 5.8%. SONO trades at a lower P/E of 42.4x. SONO earns a higher WallStSmart Score of 59/100 (C).
DUOL
Hold42
out of 100
Grade: D
SONO
Buy59
out of 100
Grade: C
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+57.3%
Fair Value
$255.74
Current Price
$157.42
$98.32 discount
Margin of Safety
-27.4%
Fair Value
$12.95
Current Price
$18.11
$5.16 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 30 in profit
Conservative balance sheet, low leverage
Earnings expanding 87.5% YoY
Conservative balance sheet, low leverage
19.6% revenue growth
Areas to Watch
Weak financial health signals
Premium valuation, high expectations priced in
Earnings declined 90.9%
ROE of 6.2% — below average capital efficiency
5.8% margin — thin
Weak financial health signals
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : DUOL
The strongest argument for DUOL centers on Return on Equity, Debt/Equity. Revenue growth of 13.7% demonstrates continued momentum.
Bull Case : SONO
The strongest argument for SONO centers on EPS Growth, Debt/Equity, Revenue Growth. Revenue growth of 19.6% demonstrates continued momentum.
Bear Case : DUOL
The primary concerns for DUOL are Piotroski F-Score, P/E Ratio, EPS Growth. A P/E of 51.9x leaves little room for execution misses.
Bear Case : SONO
The primary concerns for SONO are Return on Equity, Profit Margin, Piotroski F-Score. A P/E of 42.4x leaves little room for execution misses.
Key Dynamics to Monitor
DUOL profiles as a value stock while SONO is a growth play — different risk/reward profiles.
SONO carries more volatility with a beta of 1.94 — expect wider price swings.
SONO is growing revenue faster at 19.6% — sustainability is the question.
DUOL generates stronger free cash flow (75M), providing more financial flexibility.
Bottom Line
SONO scores higher overall (59/100 vs 42/100) and 19.6% revenue growth. DUOL offers better value entry with a 57.3% margin of safety. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Duolingo Inc
TECHNOLOGY · SOFTWARE - APPLICATION · USA
Duolingo Inc (DUOL) is a leading player in the edtech sector, renowned for its innovative language-learning platform that has successfully engaged over 500 million users globally through a unique freemium model augmented by gamification. Established in 2011, Duolingo utilizes advanced AI-driven personalized learning to enhance user experience and retention across more than 30 languages. The company's unwavering mission to provide accessible education aligns with the rapid expansion of the digital learning market, offering substantial growth potential for institutional investors seeking to tap into the future of educational technology.
Visit Website →Sonos Inc
TECHNOLOGY · CONSUMER ELECTRONICS · USA
Sonos, Inc. designs, develops, manufactures, and sells multi-room audio products in the Americas, Europe, the Middle East, Africa, and Asia Pacific. The company is headquartered in Santa Barbara, California.
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