WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Union Pacific Corporation generates 128% more annual revenue ($24.51B vs $10.73B). WDC leads profitability with a 35.6% profit margin vs 29.1%. WDC appears more attractively valued with a PEG of 0.69. UNP earns a higher WallStSmart Score of 60/100 (C).

UNP

Buy

60

out of 100

Grade: C

Growth: 3.3Profit: 9.5Value: 5.3Quality: 5.0

WDC

Buy

55

out of 100

Grade: C

Growth: 2.0Profit: 9.0Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

UNPOvervalued (-10.4%)

Margin of Safety

-10.4%

Fair Value

$212.69

Current Price

$234.92

$22.23 premium

UndervaluedFair: $212.69Overvalued
WDCSignificantly Overvalued (-311.2%)

Margin of Safety

-311.2%

Fair Value

$66.57

Current Price

$293.10

$226.53 premium

UndervaluedFair: $66.57Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

UNP5 strengths · Avg: 9.2/10
Return on EquityProfitability
40.4%10/10

Every $100 of equity generates 40 in profit

Operating MarginProfitability
40.9%10/10

Strong operational efficiency at 40.9%

Market CapQuality
$139.40B9/10

Large-cap with strong market position

Profit MarginProfitability
29.1%9/10

Keeps 29 of every $100 in revenue as profit

Free Cash FlowQuality
$1.23B8/10

Generating 1.2B in free cash flow

WDC4 strengths · Avg: 9.3/10
Return on EquityProfitability
41.1%10/10

Every $100 of equity generates 41 in profit

Profit MarginProfitability
35.6%10/10

Keeps 36 of every $100 in revenue as profit

Market CapQuality
$100.21B9/10

Large-cap with strong market position

PEG RatioValuation
0.698/10

Growing faster than its price suggests

Areas to Watch

UNP2 concerns · Avg: 2.0/10
PEG RatioValuation
2.632/10

Expensive relative to growth rate

Revenue GrowthGrowth
-60.0%2/10

Revenue declined 60.0%

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
29.9x4/10

Moderate valuation

Price/BookValuation
14.0x4/10

Trading at 14.0x book value

Revenue GrowthGrowth
-41.0%2/10

Revenue declined 41.0%

EPS GrowthGrowth
-95.9%2/10

Earnings declined 95.9%

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 29.1% and operating margin at 40.9%.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Market Cap. Profitability is solid with margins at 35.6% and operating margin at 15.4%. PEG of 0.69 suggests the stock is reasonably priced for its growth.

Bear Case : UNP

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

Bear Case : WDC

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

Key Dynamics to Monitor

WDC carries more volatility with a beta of 1.85 — expect wider price swings.

WDC is growing revenue faster at -41.0% — sustainability is the question.

UNP generates stronger free cash flow (1.2B), providing more financial flexibility.

Monitor RAILROADS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

UNP scores higher overall (60/100 vs 55/100), backed by strong 29.1% margins. Both earn "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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