WallStSmart

Duolingo Inc (DUOL)vsSony Group Corp (SONY)

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Smart Verdict

WallStSmart Research — data-driven comparison

Sony Group Corp generates 1198492% more annual revenue ($13.17T 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

Buy

65

out of 100

Grade: C+

Growth: 8.7Profit: 8.5Value: 7.7Quality: 6.5
Piotroski: 3/9Altman Z: 1.20

SONY

Hold

47

out of 100

Grade: D+

Growth: 5.3Profit: 5.0Value: 5.0Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

DUOLUndervalued (+56.4%)

Margin of Safety

+56.4%

Fair Value

$250.90

Current Price

$107.99

$142.91 discount

UndervaluedFair: $250.90Overvalued

Intrinsic value data unavailable for SONY.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

DUOL6 strengths · Avg: 9.0/10
Return on EquityProfitability
37.0%10/10

Every $100 of equity generates 37 in profit

Profit MarginProfitability
38.4%10/10

Keeps 38 of every $100 in revenue as profit

Debt/EquityHealth
0.0710/10

Conservative balance sheet, low leverage

P/E RatioValuation
13.0x8/10

Attractively priced relative to earnings

Revenue GrowthGrowth
26.5%8/10

Revenue surging 26.5% year-over-year

EPS GrowthGrowth
23.6%8/10

Earnings expanding 23.6% YoY

SONY4 strengths · Avg: 8.8/10
Free Cash FlowQuality
$898.45B10/10

Generating 898.5B in free cash flow

Market CapQuality
$122.47B9/10

Large-cap with strong market position

P/E RatioValuation
15.8x8/10

Attractively priced relative to earnings

Price/BookValuation
2.3x8/10

Reasonable price relative to book value

Areas to Watch

DUOL2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Altman Z-ScoreHealth
1.202/10

Distress zone — elevated risk

SONY3 concerns · Avg: 2.3/10
Revenue GrowthGrowth
0.5%4/10

0.5% revenue growth

PEG RatioValuation
2.652/10

Expensive relative to growth rate

Profit MarginProfitability
-1.6%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 38.4% and operating margin at 15.4%. Revenue growth of 26.5% demonstrates continued momentum.

Bull Case : SONY

The strongest argument for SONY centers on Free Cash Flow, Market Cap, P/E Ratio.

Bear Case : DUOL

The primary concerns for DUOL are Piotroski F-Score, Altman Z-Score.

Bear Case : SONY

The primary concerns for SONY are Revenue Growth, PEG Ratio, 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 0.90 — expect wider price swings.

DUOL is growing revenue faster at 26.5% — sustainability is the question.

SONY generates stronger free cash flow (898.5B), providing more financial flexibility.

Bottom Line

DUOL scores higher overall (65/100 vs 47/100), backed by strong 38.4% margins and 26.5% revenue growth. 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.

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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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