WallStSmart

Extra Space Storage Inc (EXR)vsSandisk Corp (SNDK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Sandisk Corp generates 279% more annual revenue ($13.18B vs $3.48B). SNDK leads profitability with a 34.2% profit margin vs 27.1%. EXR trades at a lower P/E of 33.9x. SNDK earns a higher WallStSmart Score of 70/100 (B).

EXR

Buy

51

out of 100

Grade: C-

Growth: 4.7Profit: 7.5Value: 3.3Quality: 3.0
Piotroski: 3/9Altman Z: 0.83

SNDK

Strong Buy

70

out of 100

Grade: B

Growth: 7.3Profit: 10.0Value: 4.0Quality: 6.8
Piotroski: 4/9Altman Z: 1.82
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

EXROvervalued (-7.2%)

Margin of Safety

-7.2%

Fair Value

$132.89

Current Price

$145.31

$12.42 premium

UndervaluedFair: $132.89Overvalued

Intrinsic value data unavailable for SNDK.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

EXR3 strengths · Avg: 9.0/10
Operating MarginProfitability
44.0%10/10

Strong operational efficiency at 44.0%

Profit MarginProfitability
27.1%9/10

Keeps 27 of every $100 in revenue as profit

Price/BookValuation
2.3x8/10

Reasonable price relative to book value

SNDK6 strengths · Avg: 10.0/10
Market CapQuality
$278.63B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
32.7%10/10

Every $100 of equity generates 33 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

EXR4 concerns · Avg: 3.5/10
P/E RatioValuation
33.9x4/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
3.8%4/10

3.8% revenue growth

Return on EquityProfitability
7.1%3/10

ROE of 7.1% — below average capital efficiency

Debt/EquityHealth
1.053/10

Elevated debt levels

SNDK3 concerns · Avg: 3.3/10
Price/BookValuation
16.8x4/10

Trading at 16.8x book value

Altman Z-ScoreHealth
1.824/10

Grey zone — moderate risk

P/E RatioValuation
64.1x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : EXR

The strongest argument for EXR centers on Operating Margin, Profit Margin, Price/Book. Profitability is solid with margins at 27.1% and operating margin at 44.0%.

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 : EXR

The primary concerns for EXR are P/E Ratio, Revenue Growth, Return on Equity.

Bear Case : SNDK

The primary concerns for SNDK are Price/Book, Altman Z-Score, P/E Ratio. A P/E of 64.1x leaves little room for execution misses.

Key Dynamics to Monitor

EXR 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 REIT - INDUSTRIAL industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SNDK scores higher overall (70/100 vs 51/100), backed by strong 34.2% margins and 251.0% revenue growth. 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.

Extra Space Storage Inc

REAL ESTATE · REIT - INDUSTRIAL · USA

Extra Space Storage is a real estate investment trust headquartered in Cottonwood Heights, Utah that invests in self storage units.

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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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