WallStSmart

CarMax Inc (KMX)vsSonos Inc (SONO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

CarMax Inc generates 1801% more annual revenue ($27.76B vs $1.46B). SONO leads profitability with a 1.6% profit margin vs 0.9%. KMX trades at a lower P/E of 23.8x. KMX earns a higher WallStSmart Score of 52/100 (C-).

KMX

Buy

52

out of 100

Grade: C-

Growth: 2.0Profit: 4.0Value: 8.7Quality: 4.5
Piotroski: 3/9Altman Z: 1.53

SONO

Hold

45

out of 100

Grade: D+

Growth: 6.0Profit: 4.0Value: 5.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

KMXUndervalued (+83.0%)

Margin of Safety

+83.0%

Fair Value

$270.07

Current Price

$40.34

$229.73 discount

UndervaluedFair: $270.07Overvalued
SONOUndervalued (+43.7%)

Margin of Safety

+43.7%

Fair Value

$29.31

Current Price

$15.06

$14.25 discount

UndervaluedFair: $29.31Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

KMX2 strengths · Avg: 10.0/10
PEG RatioValuation
0.3810/10

Growing faster than its price suggests

Price/BookValuation
1.0x10/10

Reasonable price relative to book value

SONO1 strengths · Avg: 10.0/10
EPS GrowthGrowth
87.5%10/10

Earnings expanding 87.5% YoY

Areas to Watch

KMX4 concerns · Avg: 3.3/10
Altman Z-ScoreHealth
1.534/10

Distress zone — elevated risk

Return on EquityProfitability
4.1%3/10

ROE of 4.1% — below average capital efficiency

Profit MarginProfitability
0.9%3/10

0.9% margin — thin

Operating MarginProfitability
1.8%3/10

Operating margin of 1.8%

SONO4 concerns · Avg: 2.8/10
Market CapQuality
$1.77B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

Profit MarginProfitability
1.6%3/10

1.6% margin — thin

P/E RatioValuation
87.6x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : KMX

The strongest argument for KMX centers on PEG Ratio, Price/Book. PEG of 0.38 suggests the stock is reasonably priced for its growth.

Bull Case : SONO

The strongest argument for SONO centers on EPS Growth.

Bear Case : KMX

The primary concerns for KMX are Altman Z-Score, Return on Equity, Profit Margin. Debt-to-equity of 2.75 is elevated, increasing financial risk. Thin 0.9% margins leave little buffer for downturns.

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

SONO carries more volatility with a beta of 1.94 — expect wider price swings.

SONO is growing revenue faster at 8.4% — sustainability is the question.

SONO generates stronger free cash flow (-70M), providing more financial flexibility.

Monitor AUTO & TRUCK DEALERSHIPS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

KMX scores higher overall (52/100 vs 45/100). 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.

CarMax Inc

CONSUMER CYCLICAL · AUTO & TRUCK DEALERSHIPS · USA

CarMax is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance.

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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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