WallStSmart

Westinghouse Air Brake Technologies Corp (WAB)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Westinghouse Air Brake Technologies Corp generates 4% more annual revenue ($11.17B vs $10.73B). WDC leads profitability with a 35.6% profit margin vs 10.5%. WDC appears more attractively valued with a PEG of 0.69. WAB earns a higher WallStSmart Score of 58/100 (C).

WAB

Buy

58

out of 100

Grade: C

Growth: 5.3Profit: 6.5Value: 7.3Quality: 6.0
Piotroski: 2/9Altman Z: 1.68

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

WABSignificantly Overvalued (-448.6%)

Margin of Safety

-448.6%

Fair Value

$46.38

Current Price

$236.06

$189.68 premium

UndervaluedFair: $46.38Overvalued
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

WAB0 strengths · Avg: 0/10

No standout strengths identified

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

WAB4 concerns · Avg: 3.3/10
P/E RatioValuation
34.6x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.684/10

Distress zone — elevated risk

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

EPS GrowthGrowth
-3.8%2/10

Earnings declined 3.8%

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 : WAB

Revenue growth of 14.8% demonstrates continued momentum. PEG of 1.37 suggests the stock is reasonably priced for its growth.

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 : WAB

The primary concerns for WAB are P/E Ratio, Altman Z-Score, Piotroski F-Score.

Bear Case : WDC

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

Key Dynamics to Monitor

WAB profiles as a value stock while WDC is a declining play — different risk/reward profiles.

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

WAB is growing revenue faster at 14.8% — sustainability is the question.

WAB generates stronger free cash flow (870M), providing more financial flexibility.

Bottom Line

WAB scores higher overall (58/100 vs 55/100) and 14.8% revenue growth. 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.

Westinghouse Air Brake Technologies Corp

INDUSTRIALS · RAILROADS · USA

Wabtec Corporation (derived from Westinghouse Air Brake Technologies Corporation) is an American company formed by the merger of the Westinghouse Air Brake Company (WABCO) and MotivePower Industries Corporation in 1999. It is headquartered in Pittsburgh, Pennsylvania.

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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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