WallStSmart

McKesson Corporation (MCK)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

McKesson Corporation generates 3326% more annual revenue ($403.43B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 1.2%. WDC appears more attractively valued with a PEG of 0.58. WDC earns a higher WallStSmart Score of 80/100 (A-).

MCK

Buy

53

out of 100

Grade: C-

Growth: 8.0Profit: 4.5Value: 4.0Quality: 7.0
Piotroski: 5/9Altman Z: 5.40

WDC

Exceptional Buy

80

out of 100

Grade: A-

Growth: 7.3Profit: 9.5Value: 5.7Quality: 6.5
Piotroski: 5/9Altman Z: 1.51
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MCKSignificantly Overvalued (-65.2%)

Margin of Safety

-65.2%

Fair Value

$576.90

Current Price

$775.66

$198.76 premium

UndervaluedFair: $576.90Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MCK5 strengths · Avg: 9.0/10
Debt/EquityHealth
-3.9710/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
5.4010/10

Safe zone — low bankruptcy risk

Market CapQuality
$91.29B9/10

Large-cap with strong market position

EPS GrowthGrowth
37.2%8/10

Earnings expanding 37.2% YoY

Free Cash FlowQuality
$3.31B8/10

Generating 3.3B in free cash flow

WDC6 strengths · Avg: 10.0/10
Market CapQuality
$225.26B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
67.0%10/10

Every $100 of equity generates 67 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
482.9%10/10

Earnings expanding 482.9% YoY

Areas to Watch

MCK4 concerns · Avg: 3.3/10
PEG RatioValuation
1.524/10

Expensive relative to growth rate

Return on EquityProfitability
0.0%3/10

ROE of 0.0% — below average capital efficiency

Profit MarginProfitability
1.2%3/10

1.2% margin — thin

Operating MarginProfitability
2.2%3/10

Operating margin of 2.2%

WDC3 concerns · Avg: 3.3/10
P/E RatioValuation
39.1x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.514/10

Distress zone — elevated risk

Price/BookValuation
27.5x2/10

Trading at 27.5x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : MCK

The strongest argument for MCK centers on Debt/Equity, Altman Z-Score, Market Cap.

Bull Case : WDC

The strongest argument for WDC centers on Market Cap, Return on Equity, Profit 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 : MCK

The primary concerns for MCK are PEG Ratio, Return on Equity, Profit Margin. Thin 1.2% margins leave little buffer for downturns.

Bear Case : WDC

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

Key Dynamics to Monitor

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

WDC carries more volatility with a beta of 2.20 — expect wider price swings.

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

MCK generates stronger free cash flow (3.3B), providing more financial flexibility.

Bottom Line

WDC scores higher overall (80/100 vs 53/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional 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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