Merck & Company Inc (MRK)vsZoetis Inc (ZTS)
MRK
Merck & Company Inc
$111.38
-0.82%
HEALTHCARE · Cap: $277.36B
ZTS
Zoetis Inc
$82.83
-5.13%
HEALTHCARE · Cap: $36.86B
Smart Verdict
WallStSmart Research — data-driven comparison
Merck & Company Inc generates 595% more annual revenue ($65.77B vs $9.47B). ZTS leads profitability with a 28.2% profit margin vs 13.6%. ZTS appears more attractively valued with a PEG of 2.10. ZTS earns a higher WallStSmart Score of 64/100 (C+).
MRK
Hold50
out of 100
Grade: D+
ZTS
Buy64
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-14.9%
Fair Value
$97.76
Current Price
$111.38
$13.62 premium
Margin of Safety
+19.4%
Fair Value
$159.74
Current Price
$82.83
$76.91 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Mega-cap, among the largest globally
Strong operational efficiency at 38.6%
Generating 2.9B in free cash flow
Every $100 of equity generates 66 in profit
Strong operational efficiency at 34.7%
Safe zone — low bankruptcy risk
Keeps 28 of every $100 in revenue as profit
Attractively priced relative to earnings
Areas to Watch
Premium valuation, high expectations priced in
4.9% revenue growth
Weak financial health signals
Expensive relative to growth rate
Expensive relative to growth rate
Trading at 10.6x book value
3.0% revenue growth
Elevated debt levels
Comparative Analysis Report
WallStSmart ResearchBull 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 28.2% and operating margin at 34.7%.
Bear Case : MRK
The primary concerns for MRK are P/E Ratio, Revenue Growth, Piotroski F-Score.
Bear Case : ZTS
The primary concerns for ZTS are PEG Ratio, Price/Book, Revenue Growth. Debt-to-equity of 2.85 is elevated, increasing financial risk.
Key Dynamics to Monitor
ZTS carries more volatility with a beta of 0.86 — 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 (64/100 vs 50/100), backed by strong 28.2% 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.
Visit Website →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.
Visit Website →Compare with Other DRUG MANUFACTURERS - GENERAL Stocks
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