WallStSmart

McKesson Corporation (MCK)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

McKesson Corporation generates 3607% more annual revenue ($397.96B vs $10.73B). MCK leads profitability with a 109.0% profit margin vs 35.6%. WDC appears more attractively valued with a PEG of 0.69. MCK earns a higher WallStSmart Score of 57/100 (C).

MCK

Buy

57

out of 100

Grade: C

Growth: 8.0Profit: 6.0Value: 10.0Quality: 7.0
Piotroski: 4/9Altman Z: 5.22

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

MCKUndervalued (+41.2%)

Margin of Safety

+41.2%

Fair Value

$1621.15

Current Price

$885.84

$735.31 discount

UndervaluedFair: $1621.15Overvalued
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

MCK6 strengths · Avg: 9.2/10
Profit MarginProfitability
109.0%10/10

Keeps 109 of every $100 in revenue as profit

Debt/EquityHealth
-6.6410/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
5.2210/10

Safe zone — low bankruptcy risk

Market CapQuality
$109.34B9/10

Large-cap with strong market position

EPS GrowthGrowth
38.0%8/10

Earnings expanding 38.0% YoY

Free Cash FlowQuality
$1.12B8/10

Generating 1.1B 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

MCK3 concerns · Avg: 3.3/10
P/E RatioValuation
25.6x4/10

Moderate valuation

Return on EquityProfitability
0.0%3/10

ROE of 0.0% — below average capital efficiency

Operating MarginProfitability
1.6%3/10

Operating margin of 1.6%

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 : MCK

The strongest argument for MCK centers on Profit Margin, Debt/Equity, Altman Z-Score. Profitability is solid with margins at 109.0% and operating margin at 1.6%. Revenue growth of 11.4% demonstrates continued momentum.

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 : MCK

The primary concerns for MCK are P/E Ratio, Return on Equity, Operating Margin.

Bear Case : WDC

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

Key Dynamics to Monitor

MCK profiles as a mature 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.

MCK is growing revenue faster at 11.4% — sustainability is the question.

MCK generates stronger free cash flow (1.1B), providing more financial flexibility.

Bottom Line

MCK scores higher overall (57/100 vs 55/100), backed by strong 109.0% margins and 11.4% 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.

McKesson Corporation

HEALTHCARE · MEDICAL DISTRIBUTION · USA

McKesson Corporation is an American company distributing pharmaceuticals and providing health information technology, medical supplies, and care management tools.

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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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