Duolingo Inc (DUOL)vsSonos Inc (SONO)
DUOL
Duolingo Inc
$107.99
-4.95%
TECHNOLOGY · Cap: $5.29B
SONO
Sonos Inc
$15.06
+1.14%
TECHNOLOGY · Cap: $1.77B
Smart Verdict
WallStSmart Research — data-driven comparison
Sonos Inc generates 33% more annual revenue ($1.46B vs $1.10B). DUOL leads profitability with a 38.4% profit margin vs 1.6%. DUOL trades at a lower P/E of 13.0x. DUOL earns a higher WallStSmart Score of 65/100 (C+).
DUOL
Buy65
out of 100
Grade: C+
SONO
Hold45
out of 100
Grade: D+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+56.4%
Fair Value
$250.90
Current Price
$107.99
$142.91 discount
Margin of Safety
+43.7%
Fair Value
$29.31
Current Price
$15.06
$14.25 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 37 in profit
Keeps 38 of every $100 in revenue as profit
Conservative balance sheet, low leverage
Attractively priced relative to earnings
Revenue surging 26.5% year-over-year
Earnings expanding 23.6% YoY
Earnings expanding 87.5% YoY
Areas to Watch
Weak financial health signals
Distress zone — elevated risk
Smaller company, higher risk/reward
ROE of 6.2% — below average capital efficiency
1.6% margin — thin
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull Case : DUOL
The strongest argument for DUOL centers on Return on Equity, Profit Margin, Debt/Equity. Profitability is solid with margins at 38.4% and operating margin at 15.4%. Revenue growth of 26.5% demonstrates continued momentum.
Bull Case : SONO
The strongest argument for SONO centers on EPS Growth.
Bear Case : DUOL
The primary concerns for DUOL are Piotroski F-Score, Altman Z-Score.
Bear Case : SONO
The primary concerns for SONO are Market Cap, Return on Equity, Profit Margin. A P/E of 87.6x leaves little room for execution misses. Thin 1.6% margins leave little buffer for downturns.
Key Dynamics to Monitor
DUOL profiles as a growth stock while SONO is a value play — different risk/reward profiles.
SONO carries more volatility with a beta of 1.94 — expect wider price swings.
DUOL is growing revenue faster at 26.5% — sustainability is the question.
DUOL generates stronger free cash flow (151M), providing more financial flexibility.
Bottom Line
DUOL scores higher overall (65/100 vs 45/100), backed by strong 38.4% margins and 26.5% revenue growth. SONO offers better value entry with a 43.7% 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 prominent player in the education technology landscape, recognized for its innovative language-learning platform that has successfully engaged over 500 million users globally through a freemium model augmented by gamification strategies. Established in 2011, Duolingo distinguishes itself with a robust focus on AI-driven personalized learning solutions, fostering user acquisition and retention across more than 30 languages. With a mission to make education accessible and a strong user-centric design, Duolingo is well-positioned to capitalize on the growing demand for digital learning solutions, presenting a compelling opportunity for institutional investors looking to invest in the evolving edtech sector.
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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