WallStSmart

Sandisk Corp (SNDK)vsUnion Pacific Corporation (UNP)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Union Pacific Corporation generates 87% more annual revenue ($24.70B vs $13.18B). SNDK leads profitability with a 34.2% profit margin vs 29.2%. UNP trades at a lower P/E of 21.7x. SNDK earns a higher WallStSmart Score of 69/100 (B-).

SNDK

Strong Buy

69

out of 100

Grade: B-

Growth: 7.3Profit: 10.0Value: 3.7Quality: 8.0
Piotroski: 4/9Altman Z: 1.82

UNP

Buy

60

out of 100

Grade: C

Growth: 4.0Profit: 9.5Value: 3.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

SNDKSignificantly Overvalued (-52.4%)

Margin of Safety

-52.4%

Fair Value

$413.56

Current Price

$1096.51

$682.95 premium

UndervaluedFair: $413.56Overvalued
UNPSignificantly Overvalued (-76.0%)

Margin of Safety

-76.0%

Fair Value

$150.01

Current Price

$263.41

$113.40 premium

UndervaluedFair: $150.01Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

SNDK6 strengths · Avg: 10.0/10
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

Debt/EquityHealth
0.0810/10

Conservative balance sheet, low leverage

UNP5 strengths · Avg: 9.2/10
Return on EquityProfitability
40.7%10/10

Every $100 of equity generates 41 in profit

Operating MarginProfitability
40.4%10/10

Strong operational efficiency at 40.4%

Market CapQuality
$156.39B9/10

Large-cap with strong market position

Profit MarginProfitability
29.2%9/10

Keeps 29 of every $100 in revenue as profit

Free Cash FlowQuality
$1.50B8/10

Generating 1.5B in free cash flow

Areas to Watch

SNDK3 concerns · Avg: 4.0/10
P/E RatioValuation
37.5x4/10

Premium valuation, high expectations priced in

Price/BookValuation
15.9x4/10

Trading at 15.9x book value

Altman Z-ScoreHealth
1.824/10

Grey zone — moderate risk

UNP3 concerns · Avg: 3.3/10
Price/BookValuation
8.5x4/10

Trading at 8.5x book value

Revenue GrowthGrowth
3.2%4/10

3.2% revenue growth

PEG RatioValuation
3.282/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : SNDK

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

Bull Case : UNP

The strongest argument for UNP centers on Return on Equity, Operating Margin, Market Cap. Profitability is solid with margins at 29.2% and operating margin at 40.4%.

Bear Case : SNDK

The primary concerns for SNDK are P/E Ratio, Price/Book, Altman Z-Score.

Bear Case : UNP

The primary concerns for UNP are Price/Book, Revenue Growth, PEG Ratio.

Key Dynamics to Monitor

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

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

UNP generates stronger free cash flow (1.5B), providing more financial flexibility.

Monitor COMPUTER HARDWARE industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SNDK scores higher overall (69/100 vs 60/100), 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.

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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Union Pacific Corporation

INDUSTRIALS · RAILROADS · USA

The Union Pacific Corporation (Union Pacific) is a publicly traded railroad holding company. It was incorporated in Utah in 1969 and is headquartered in Omaha, Nebraska. It is the parent company of the current, Delaware-registered, form of the Union Pacific Railroad.

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