WallStSmart

Merck & Company Inc (MRK)vsVertex Pharmaceuticals Inc (VRTX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Merck & Company Inc generates 438% more annual revenue ($65.77B vs $12.22B). VRTX leads profitability with a 35.5% profit margin vs 13.6%. VRTX appears more attractively valued with a PEG of 1.69. VRTX earns a higher WallStSmart Score of 68/100 (B-).

MRK

Hold

50

out of 100

Grade: D+

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

VRTX

Strong Buy

68

out of 100

Grade: B-

Growth: 8.0Profit: 9.0Value: 6.7Quality: 8.5
Piotroski: 3/9Altman Z: 3.61
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MRKSignificantly Overvalued (-40.6%)

Margin of Safety

-40.6%

Fair Value

$80.96

Current Price

$128.66

$47.70 premium

UndervaluedFair: $80.96Overvalued
VRTXUndervalued (+52.4%)

Margin of Safety

+52.4%

Fair Value

$949.55

Current Price

$491.34

$458.21 discount

UndervaluedFair: $949.55Overvalued

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

VRTX6 strengths · Avg: 9.7/10
Profit MarginProfitability
35.5%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
38.1%10/10

Strong operational efficiency at 38.1%

EPS GrowthGrowth
61.4%10/10

Earnings expanding 61.4% YoY

Altman Z-ScoreHealth
3.6110/10

Safe zone — low bankruptcy risk

Market CapQuality
$114.33B9/10

Large-cap with strong market position

Return on EquityProfitability
22.4%9/10

Every $100 of equity generates 22 in profit

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

VRTX3 concerns · Avg: 3.7/10
PEG RatioValuation
1.694/10

Expensive relative to growth rate

P/E RatioValuation
26.7x4/10

Moderate valuation

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : MRK

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

Bull Case : VRTX

The strongest argument for VRTX centers on Profit Margin, Operating Margin, EPS Growth. Profitability is solid with margins at 35.5% and operating margin at 38.1%.

Bear Case : MRK

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

Bear Case : VRTX

The primary concerns for VRTX are PEG Ratio, P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

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

VRTX carries more volatility with a beta of 0.31 — expect wider price swings.

VRTX is growing revenue faster at 7.8% — sustainability is the question.

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

Bottom Line

VRTX scores higher overall (68/100 vs 50/100), backed by strong 35.5% 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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Vertex Pharmaceuticals Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Vertex Pharmaceuticals, Inc. is an American biopharmaceutical company based in Boston, Massachusetts.

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