WallStSmart

AstraZeneca PLC (AZN)vsMerck & Company Inc (MRK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Merck & Company Inc generates 7% more annual revenue ($65.77B vs $61.37B). AZN leads profitability with a 17.0% profit margin vs 13.6%. AZN appears more attractively valued with a PEG of 1.47. AZN earns a higher WallStSmart Score of 60/100 (C+).

AZN

Buy

60

out of 100

Grade: C+

Growth: 5.3Profit: 8.0Value: 6.0Quality: 5.0
Piotroski: 6/9Altman Z: 1.48

MRK

Hold

50

out of 100

Grade: D+

Growth: 3.3Profit: 8.0Value: 2.7Quality: 5.0
Piotroski: 3/9Altman Z: 2.27
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AZNUndervalued (+13.9%)

Margin of Safety

+13.9%

Fair Value

$196.93

Current Price

$169.64

$27.29 discount

UndervaluedFair: $196.93Overvalued
MRKSignificantly Overvalued (-62.3%)

Margin of Safety

-62.3%

Fair Value

$81.23

Current Price

$130.20

$48.97 premium

UndervaluedFair: $81.23Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AZN4 strengths · Avg: 8.8/10
Market CapQuality
$263.09B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
20.7%9/10

Every $100 of equity generates 21 in profit

Operating MarginProfitability
23.5%8/10

Strong operational efficiency at 23.5%

Free Cash FlowQuality
$2.13B8/10

Generating 2.1B in free cash flow

MRK3 strengths · Avg: 9.3/10
Market CapQuality
$307.25B10/10

Mega-cap, among the largest globally

Operating MarginProfitability
38.6%10/10

Strong operational efficiency at 38.6%

Free Cash FlowQuality
$2.93B8/10

Generating 2.9B in free cash flow

Areas to Watch

AZN3 concerns · Avg: 3.3/10
P/E RatioValuation
25.6x4/10

Moderate valuation

EPS GrowthGrowth
2.5%4/10

2.5% earnings growth

Altman Z-ScoreHealth
1.482/10

Distress zone — elevated risk

MRK4 concerns · Avg: 3.5/10
P/E RatioValuation
35.6x4/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
4.9%4/10

4.9% revenue growth

Debt/EquityHealth
1.073/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : AZN

The strongest argument for AZN centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 17.0% and operating margin at 23.5%. PEG of 1.47 suggests the stock is reasonably priced for its growth.

Bull Case : MRK

The strongest argument for MRK centers on Market Cap, Operating Margin, Free Cash Flow.

Bear Case : AZN

The primary concerns for AZN are P/E Ratio, EPS Growth, Altman Z-Score.

Bear Case : MRK

The primary concerns for MRK are P/E Ratio, Revenue Growth, Debt/Equity.

Key Dynamics to Monitor

AZN profiles as a mature stock while MRK is a value play — different risk/reward profiles.

AZN carries more volatility with a beta of 0.23 — expect wider price swings.

AZN is growing revenue faster at 6.4% — sustainability is the question.

MRK generates stronger free cash flow (2.9B), providing more financial flexibility.

Bottom Line

AZN scores higher overall (60/100 vs 50/100), backed by strong 17.0% margins. Both earn "Buy" and "Hold" 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.

Merck & Company Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Merck & Co. is an American multinational pharmaceutical company headquartered in Kenilworth, New Jersey. It is named after the Merck family, which set up Merck Group in Germany in 1668.

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