WallStSmart

Duolingo Inc (DUOL)vsSony Group Corp (SONY)

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Smart Verdict

WallStSmart Research — data-driven comparison

Sony Group Corp generates 1108699% more annual revenue ($12.70T vs $1.15B). DUOL leads profitability with a 35.9% profit margin vs -1.8%. DUOL trades at a lower P/E of 16.8x. SONY earns a higher WallStSmart Score of 59/100 (C).

DUOL

Buy

53

out of 100

Grade: C-

Growth: 6.7Profit: 8.0Value: 7.7Quality: 7.5
Piotroski: 2/9Altman Z: 2.81

SONY

Buy

59

out of 100

Grade: C

Growth: 7.3Profit: 4.5Value: 5.0Quality: 7.5
Piotroski: 6/9Altman Z: 2.43
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

DUOLUndervalued (+57.4%)

Margin of Safety

+57.4%

Fair Value

$256.65

Current Price

$143.51

$113.14 discount

UndervaluedFair: $256.65Overvalued

Intrinsic value data unavailable for SONY.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

DUOL5 strengths · Avg: 9.2/10
Return on EquityProfitability
30.4%10/10

Every $100 of equity generates 30 in profit

Profit MarginProfitability
35.9%10/10

Keeps 36 of every $100 in revenue as profit

Debt/EquityHealth
0.0610/10

Conservative balance sheet, low leverage

P/E RatioValuation
16.8x8/10

Attractively priced relative to earnings

Revenue GrowthGrowth
18.3%8/10

18.3% revenue growth

SONY5 strengths · Avg: 8.8/10
Free Cash FlowQuality
$59.56B10/10

Generating 59.6B in free cash flow

Market CapQuality
$137.13B9/10

Large-cap with strong market position

Debt/EquityHealth
0.229/10

Conservative balance sheet, low leverage

Price/BookValuation
2.6x8/10

Reasonable price relative to book value

EPS GrowthGrowth
47.6%8/10

Earnings expanding 47.6% YoY

Areas to Watch

DUOL2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

EPS GrowthGrowth
-27.5%2/10

Earnings declined 27.5%

SONY3 concerns · Avg: 2.3/10
PEG RatioValuation
1.534/10

Expensive relative to growth rate

Return on EquityProfitability
-2.9%2/10

ROE of -2.9% — below average capital efficiency

Profit MarginProfitability
-1.8%1/10

Currently unprofitable

Comparative Analysis Report

WallStSmart Research

Bull Case : DUOL

The strongest argument for DUOL centers on Return on Equity, Profit Margin, Debt/Equity. Profitability is solid with margins at 35.9% and operating margin at 11.7%. Revenue growth of 18.3% demonstrates continued momentum.

Bull Case : SONY

The strongest argument for SONY centers on Free Cash Flow, Market Cap, Debt/Equity.

Bear Case : DUOL

The primary concerns for DUOL are Piotroski F-Score, EPS Growth.

Bear Case : SONY

The primary concerns for SONY are PEG Ratio, Return on Equity, Profit Margin.

Key Dynamics to Monitor

DUOL profiles as a growth stock while SONY is a turnaround play — different risk/reward profiles.

DUOL carries more volatility with a beta of 0.89 — expect wider price swings.

DUOL is growing revenue faster at 18.3% — sustainability is the question.

SONY generates stronger free cash flow (59.6B), providing more financial flexibility.

Bottom Line

SONY scores higher overall (59/100 vs 53/100). DUOL offers better value entry with a 57.4% margin of safety. Both earn "Buy" and "Buy" 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.

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Sony Group Corp

TECHNOLOGY · CONSUMER ELECTRONICS · USA

Sony Group Corporation designs, develops, produces and sells electronic equipment, instruments and devices for the consumer, professional and industrial markets worldwide. The company is headquartered in Tokyo, Japan.

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