WallStSmart

CarMax Inc (KMX)vsSandisk Corp (SNDK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

CarMax Inc generates 111% more annual revenue ($27.76B vs $13.18B). SNDK leads profitability with a 34.2% profit margin vs 0.9%. KMX trades at a lower P/E of 23.8x. SNDK earns a higher WallStSmart Score of 70/100 (B).

KMX

Buy

52

out of 100

Grade: C-

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

SNDK

Strong Buy

70

out of 100

Grade: B

Growth: 7.3Profit: 10.0Value: 4.7Quality: 8.0
Piotroski: 4/9Altman Z: 1.82
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

Intrinsic value data unavailable for SNDK.

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

SNDK6 strengths · Avg: 10.0/10
Market CapQuality
$208.80B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
39.3%10/10

Every $100 of equity generates 39 in profit

Profit MarginProfitability
34.2%10/10

Keeps 34 of every $100 in revenue as profit

Operating MarginProfitability
70.0%10/10

Strong operational efficiency at 70.0%

Revenue GrowthGrowth
251.0%10/10

Revenue surging 251.0% year-over-year

EPS GrowthGrowth
618.0%10/10

Earnings expanding 618.0% 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%

SNDK3 concerns · Avg: 2.7/10
Altman Z-ScoreHealth
1.824/10

Grey zone — moderate risk

P/E RatioValuation
48.1x2/10

Premium valuation, high expectations priced in

Price/BookValuation
22.6x2/10

Trading at 22.6x book value

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 : SNDK

The strongest argument for SNDK centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 34.2% and operating margin at 70.0%. Revenue growth of 251.0% demonstrates continued momentum.

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 : SNDK

The primary concerns for SNDK are Altman Z-Score, P/E Ratio, Price/Book. A P/E of 48.1x leaves little room for execution misses.

Key Dynamics to Monitor

KMX profiles as a value stock while SNDK is a growth play — different risk/reward profiles.

SNDK is growing revenue faster at 251.0% — sustainability is the question.

SNDK generates stronger free cash flow (3.0B), providing more financial flexibility.

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

Bottom Line

SNDK scores higher overall (70/100 vs 52/100), backed by strong 34.2% margins and 251.0% revenue growth. KMX offers better value entry with a 83.0% margin of safety. Both earn "Strong 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.

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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Sandisk Corp

TECHNOLOGY · COMPUTER HARDWARE · USA

Sandisk Corporation (Ticker: SNDK) is a U.S.-based technology company that develops, manufactures, and sells data storage products and solutions built on NAND flash memory technology, including solid-state drives (SSDs), embedded storage, memory cards, and USB flash drives for consumer, enterprise, and cloud computing markets.

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