WallStSmart

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

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Smart Verdict

WallStSmart Research — data-driven comparison

Merck & Company Inc generates 607% more annual revenue ($67.38B vs $9.53B). ZTS leads profitability with a 27.7% profit margin vs 3.6%. MRK appears more attractively valued with a PEG of 2.82. ZTS earns a higher WallStSmart Score of 58/100 (C).

MRK

Hold

44

out of 100

Grade: D

Growth: 3.3Profit: 6.5Value: 2.0Quality: 5.0
Piotroski: 3/9Altman Z: 2.27

ZTS

Buy

58

out of 100

Grade: C

Growth: 4.0Profit: 10.0Value: 5.3Quality: 7.0
Piotroski: 4/9Altman Z: 3.14
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MRKSignificantly Overvalued (-76.6%)

Margin of Safety

-76.6%

Fair Value

$84.66

Current Price

$146.72

$62.06 premium

UndervaluedFair: $84.66Overvalued
ZTSUndervalued (+10.3%)

Margin of Safety

+10.3%

Fair Value

$143.36

Current Price

$82.11

$61.25 discount

UndervaluedFair: $143.36Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MRK3 strengths · Avg: 9.3/10
Market CapQuality
$368.89B10/10

Mega-cap, among the largest globally

Operating MarginProfitability
41.2%10/10

Strong operational efficiency at 41.2%

Free Cash FlowQuality
$4.48B8/10

Generating 4.5B in free cash flow

ZTS5 strengths · Avg: 9.4/10
Return on EquityProfitability
83.1%10/10

Every $100 of equity generates 83 in profit

Operating MarginProfitability
40.7%10/10

Strong operational efficiency at 40.7%

Altman Z-ScoreHealth
3.1410/10

Safe zone — low bankruptcy risk

Profit MarginProfitability
27.7%9/10

Keeps 28 of every $100 in revenue as profit

P/E RatioValuation
12.9x8/10

Attractively priced relative to earnings

Areas to Watch

MRK4 concerns · Avg: 3.5/10
Price/BookValuation
8.6x4/10

Trading at 8.6x book value

Revenue GrowthGrowth
4.7%4/10

4.7% revenue growth

Return on EquityProfitability
7.6%3/10

ROE of 7.6% — below average capital efficiency

Profit MarginProfitability
3.6%3/10

3.6% margin — thin

ZTS4 concerns · Avg: 3.0/10
Price/BookValuation
10.8x4/10

Trading at 10.8x book value

EPS GrowthGrowth
1.2%4/10

1.2% earnings growth

PEG RatioValuation
14.562/10

Expensive relative to growth rate

Revenue GrowthGrowth
-0.2%2/10

Revenue declined 0.2%

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 27.7% and operating margin at 40.7%.

Bear Case : MRK

The primary concerns for MRK are Price/Book, Revenue Growth, Return on Equity. A P/E of 151.0x leaves little room for execution misses. Thin 3.6% margins leave little buffer for downturns.

Bear Case : ZTS

The primary concerns for ZTS are Price/Book, EPS Growth, PEG Ratio. Debt-to-equity of 2.93 is elevated, increasing financial risk.

Key Dynamics to Monitor

MRK profiles as a value stock while ZTS is a declining play — different risk/reward profiles.

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

MRK is growing revenue faster at 4.7% — sustainability is the question.

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

Bottom Line

ZTS scores higher overall (58/100 vs 44/100), backed by strong 27.7% 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.

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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