WallStSmart

Merck & Company Inc (MRK)vsPfizer Inc (PFE)

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Smart Verdict

WallStSmart Research — data-driven comparison

Merck & Company Inc generates 5% more annual revenue ($66.57B vs $63.70B). PFE leads profitability with a 6.8% profit margin vs 4.8%. MRK appears more attractively valued with a PEG of 2.71. PFE earns a higher WallStSmart Score of 49/100 (D+).

MRK

Hold

36

out of 100

Grade: F

Growth: 4.0Profit: 4.5Value: 2.0Quality: 5.0
Piotroski: 3/9Altman Z: 2.27

PFE

Hold

49

out of 100

Grade: D+

Growth: 2.7Profit: 6.0Value: 3.3Quality: 5.5
Piotroski: 4/9Altman Z: 1.70
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MRKSignificantly Overvalued (-73.7%)

Margin of Safety

-73.7%

Fair Value

$83.64

Current Price

$146.35

$62.71 premium

UndervaluedFair: $83.64Overvalued
PFEFair Value (-0.1%)

Margin of Safety

-0.1%

Fair Value

$29.99

Current Price

$29.45

$0.54 premium

UndervaluedFair: $29.99Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MRK2 strengths · Avg: 9.0/10
Market CapQuality
$360.08B10/10

Mega-cap, among the largest globally

Free Cash FlowQuality
$4.48B8/10

Generating 4.5B in free cash flow

PFE3 strengths · Avg: 8.3/10
Market CapQuality
$168.60B9/10

Large-cap with strong market position

Price/BookValuation
2.0x8/10

Reasonable price relative to book value

Operating MarginProfitability
27.9%8/10

Strong operational efficiency at 27.9%

Areas to Watch

MRK4 concerns · Avg: 3.3/10
Price/BookValuation
8.6x4/10

Trading at 8.6x book value

Return on EquityProfitability
7.6%3/10

ROE of 7.6% — below average capital efficiency

Profit MarginProfitability
4.8%3/10

4.8% margin — thin

Debt/EquityHealth
1.293/10

Elevated debt levels

PFE4 concerns · Avg: 3.8/10
P/E RatioValuation
38.9x4/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
2.6%4/10

2.6% revenue growth

Altman Z-ScoreHealth
1.704/10

Distress zone — elevated risk

Return on EquityProfitability
5.1%3/10

ROE of 5.1% — below average capital efficiency

Comparative Analysis Report

WallStSmart Research

Bull Case : MRK

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

Bull Case : PFE

The strongest argument for PFE centers on Market Cap, Price/Book, Operating Margin.

Bear Case : MRK

The primary concerns for MRK are Price/Book, Return on Equity, Profit Margin. A P/E of 115.8x leaves little room for execution misses. Thin 4.8% margins leave little buffer for downturns.

Bear Case : PFE

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

Key Dynamics to Monitor

PFE carries more volatility with a beta of 0.28 — expect wider price swings.

MRK is growing revenue faster at 5.1% — sustainability is the question.

MRK generates stronger free cash flow (4.5B), providing more financial flexibility.

Monitor DRUG MANUFACTURERS - GENERAL industry trends, competitive dynamics, and regulatory changes.

Bottom Line

PFE scores higher overall (49/100 vs 36/100). Both earn "Hold" 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.

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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Pfizer Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Pfizer Inc. is an American multinational pharmaceutical and biotechnology corporation headquartered on 42nd Street in Manhattan, New York City. The name of the company commemorates its co-founder, Charles Pfizer (1824-1906). Pfizer develops and produces medicines and vaccines for immunology, oncology, cardiology, endocrinology, and neurology. The company has several blockbuster drugs or products that each generate more than 1 billion USD in annual revenues.

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