WallStSmart

Union Pacific Corporation (UNP)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Union Pacific Corporation generates 110% more annual revenue ($24.70B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 29.2%. WDC appears more attractively valued with a PEG of 0.87. WDC earns a higher WallStSmart Score of 79/100 (B+).

UNP

Buy

60

out of 100

Grade: C

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

WDC

Strong Buy

79

out of 100

Grade: B+

Growth: 7.3Profit: 9.5Value: 6.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

UNPSignificantly Overvalued (-76.0%)

Margin of Safety

-76.0%

Fair Value

$150.01

Current Price

$263.41

$113.40 premium

UndervaluedFair: $150.01Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

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

WDC6 strengths · Avg: 9.8/10
Return on EquityProfitability
85.9%10/10

Every $100 of equity generates 86 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
477.2%10/10

Earnings expanding 477.2% YoY

Market CapQuality
$152.47B9/10

Large-cap with strong market position

Areas to Watch

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

WDC2 concerns · Avg: 3.0/10
P/E RatioValuation
25.8x4/10

Moderate valuation

Price/BookValuation
21.2x2/10

Trading at 21.2x book value

Comparative Analysis Report

WallStSmart Research

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%.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

Bear Case : UNP

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

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Price/Book.

Key Dynamics to Monitor

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

WDC carries more volatility with a beta of 2.16 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

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

Bottom Line

WDC scores higher overall (79/100 vs 60/100), backed by strong 55.3% margins and 45.5% 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.

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.

Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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