WallStSmart

AstraZeneca PLC (AZN)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

AstraZeneca PLC generates 447% more annual revenue ($58.74B vs $10.73B). WDC leads profitability with a 35.6% profit margin vs 17.4%. WDC appears more attractively valued with a PEG of 0.69. AZN earns a higher WallStSmart Score of 64/100 (C+).

AZN

Buy

64

out of 100

Grade: C+

Growth: 6.7Profit: 8.0Value: 10.0Quality: 6.0
Piotroski: 6/9Altman Z: 1.48

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

AZNUndervalued (+32.8%)

Margin of Safety

+32.8%

Fair Value

$306.07

Current Price

$183.60

$122.47 discount

UndervaluedFair: $306.07Overvalued
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

AZN5 strengths · Avg: 9.0/10
Market CapQuality
$296.55B10/10

Mega-cap, among the largest globally

EPS GrowthGrowth
53.9%10/10

Earnings expanding 53.9% YoY

Return on EquityProfitability
22.8%9/10

Every $100 of equity generates 23 in profit

Operating MarginProfitability
21.6%8/10

Strong operational efficiency at 21.6%

Free Cash FlowQuality
$1.38B8/10

Generating 1.4B 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

AZN4 concerns · Avg: 3.5/10
PEG RatioValuation
1.564/10

Expensive relative to growth rate

P/E RatioValuation
29.3x4/10

Moderate valuation

Revenue GrowthGrowth
4.1%4/10

4.1% revenue growth

Altman Z-ScoreHealth
1.482/10

Distress zone — elevated risk

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 : AZN

The strongest argument for AZN centers on Market Cap, EPS Growth, Return on Equity. Profitability is solid with margins at 17.4% and operating margin at 21.6%.

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 : AZN

The primary concerns for AZN are PEG Ratio, P/E Ratio, Revenue Growth.

Bear Case : WDC

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

Key Dynamics to Monitor

AZN 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.

AZN is growing revenue faster at 4.1% — sustainability is the question.

AZN generates stronger free cash flow (1.4B), providing more financial flexibility.

Bottom Line

AZN scores higher overall (64/100 vs 55/100), backed by strong 17.4% 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.

AstraZeneca PLC

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

AstraZeneca PLC discovers, develops, manufactures and markets prescription drugs in the areas of oncology, cardiovascular, renal and metabolism, respiratory, infections, neuroscience and gastroenterology worldwide. The company is headquartered in Cambridge, the United Kingdom.

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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