WallStSmart

Merck & Company Inc (MRK)vsUnitedHealth Group Incorporated (UNH)

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Smart Verdict

WallStSmart Research — data-driven comparison

UnitedHealth Group Incorporated generates 588% more annual revenue ($447.57B vs $65.01B). MRK leads profitability with a 28.1% profit margin vs 2.7%. UNH appears more attractively valued with a PEG of 0.98. UNH earns a higher WallStSmart Score of 59/100 (C).

MRK

Buy

59

out of 100

Grade: C

Growth: 4.0Profit: 9.5Value: 4.7Quality: 4.8
Piotroski: 3/9

UNH

Buy

59

out of 100

Grade: C

Growth: 5.3Profit: 5.0Value: 7.3Quality: 5.8
Piotroski: 4/9
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MRKSignificantly Overvalued (-141.2%)

Margin of Safety

-141.2%

Fair Value

$49.50

Current Price

$119.37

$69.87 premium

UndervaluedFair: $49.50Overvalued
UNHSignificantly Overvalued (-202.7%)

Margin of Safety

-202.7%

Fair Value

$89.96

Current Price

$270.55

$180.59 premium

UndervaluedFair: $89.96Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MRK6 strengths · Avg: 9.2/10
Market CapQuality
$287.71B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
36.9%10/10

Every $100 of equity generates 37 in profit

Operating MarginProfitability
32.8%10/10

Strong operational efficiency at 32.8%

Profit MarginProfitability
28.1%9/10

Keeps 28 of every $100 in revenue as profit

P/E RatioValuation
16.0x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$1.82B8/10

Generating 1.8B in free cash flow

UNH3 strengths · Avg: 8.7/10
Market CapQuality
$250.15B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.988/10

Growing faster than its price suggests

Price/BookValuation
2.6x8/10

Reasonable price relative to book value

Areas to Watch

MRK3 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
3.492/10

Expensive relative to growth rate

EPS GrowthGrowth
-19.3%2/10

Earnings declined 19.3%

UNH3 concerns · Avg: 2.7/10
Profit MarginProfitability
2.7%3/10

2.7% margin — thin

Operating MarginProfitability
0.3%3/10

Operating margin of 0.3%

EPS GrowthGrowth
-99.9%2/10

Earnings declined 99.9%

Comparative Analysis Report

WallStSmart Research

Bull Case : MRK

The strongest argument for MRK centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 28.1% and operating margin at 32.8%.

Bull Case : UNH

The strongest argument for UNH centers on Market Cap, PEG Ratio, Price/Book. Revenue growth of 12.3% demonstrates continued momentum. PEG of 0.98 suggests the stock is reasonably priced for its growth.

Bear Case : MRK

The primary concerns for MRK are Piotroski F-Score, PEG Ratio, EPS Growth.

Bear Case : UNH

The primary concerns for UNH are Profit Margin, Operating Margin, EPS Growth. Thin 2.7% margins leave little buffer for downturns.

Key Dynamics to Monitor

UNH carries more volatility with a beta of 0.38 — expect wider price swings.

UNH is growing revenue faster at 12.3% — sustainability is the question.

MRK generates stronger free cash flow (1.8B), providing more financial flexibility.

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

Bottom Line

MRK scores higher overall (59/100 vs 59/100), backed by strong 28.1% margins. Both earn "Buy" and "Buy" 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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UnitedHealth Group Incorporated

HEALTHCARE · HEALTHCARE PLANS · USA

UnitedHealth Group Incorporated is an American for-profit multinational managed healthcare and insurance company based in Minnetonka, Minnesota. It offers health care products and insurance services. In 2020, it was the second-largest healthcare company (behind CVS Health) by revenue with $257.1 billion, and the largest insurance company by net premiums. UnitedHealthcare revenues comprise 80% of the Group's overall revenue.

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