WallStSmart

Merck & Company Inc (MRK)vsZoetis Inc (ZTS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Merck & Company Inc generates 590% more annual revenue ($65.77B vs $9.53B). ZTS leads profitability with a 28.0% profit margin vs 13.6%. ZTS appears more attractively valued with a PEG of 1.91. ZTS earns a higher WallStSmart Score of 66/100 (B-).

MRK

Hold

50

out of 100

Grade: D+

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

ZTS

Strong Buy

66

out of 100

Grade: B-

Growth: 5.3Profit: 10.0Value: 6.0Quality: 7.0
Piotroski: 4/9Altman Z: 3.14
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MRKSignificantly Overvalued (-40.6%)

Margin of Safety

-40.6%

Fair Value

$80.96

Current Price

$119.60

$38.64 premium

UndervaluedFair: $80.96Overvalued
ZTSUndervalued (+11.5%)

Margin of Safety

+11.5%

Fair Value

$145.45

Current Price

$75.89

$69.56 discount

UndervaluedFair: $145.45Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MRK3 strengths · Avg: 9.3/10
Market CapQuality
$283.78B10/10

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

ZTS5 strengths · Avg: 9.4/10
Return on EquityProfitability
81.8%10/10

Every $100 of equity generates 82 in profit

Operating MarginProfitability
36.6%10/10

Strong operational efficiency at 36.6%

Altman Z-ScoreHealth
3.1410/10

Safe zone — low bankruptcy risk

Profit MarginProfitability
28.0%9/10

Keeps 28 of every $100 in revenue as profit

P/E RatioValuation
13.0x8/10

Attractively priced relative to earnings

Areas to Watch

MRK4 concerns · Avg: 3.5/10
P/E RatioValuation
32.4x4/10

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

ZTS4 concerns · Avg: 3.3/10
PEG RatioValuation
1.914/10

Expensive relative to growth rate

Price/BookValuation
9.7x4/10

Trading at 9.7x book value

Revenue GrowthGrowth
2.9%4/10

2.9% revenue growth

Debt/EquityHealth
2.861/10

Elevated debt levels

Comparative Analysis Report

WallStSmart Research

Bull Case : MRK

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

Bull Case : ZTS

The strongest argument for ZTS centers on Return on Equity, Operating Margin, Altman Z-Score. Profitability is solid with margins at 28.0% and operating margin at 36.6%.

Bear Case : MRK

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

Bear Case : ZTS

The primary concerns for ZTS are PEG Ratio, Price/Book, Revenue Growth. Debt-to-equity of 2.86 is elevated, increasing financial risk.

Key Dynamics to Monitor

ZTS carries more volatility with a beta of 0.74 — expect wider price swings.

MRK is growing revenue faster at 4.9% — sustainability is the question.

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

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

Bottom Line

ZTS scores higher overall (66/100 vs 50/100), backed by strong 28.0% margins. Both earn "Strong 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.

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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Zoetis Inc

HEALTHCARE · DRUG MANUFACTURERS - SPECIALTY & GENERIC · USA

Zoetis Inc. is an American drug company, the world's largest producer of medicine and vaccinations for pets and livestock.

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