WallStSmart

Pulmonx Corp (LUNG)vsMerck & Company Inc (MRK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Merck & Company Inc generates 71738% more annual revenue ($65.01B vs $90.50M). MRK leads profitability with a 28.1% profit margin vs -59.7%. MRK earns a higher WallStSmart Score of 59/100 (C).

LUNG

Hold

37

out of 100

Grade: F

Growth: 4.7Profit: 2.0Value: 6.7Quality: 5.0

MRK

Buy

59

out of 100

Grade: C

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

LUNGUndervalued (+84.2%)

Margin of Safety

+84.2%

Fair Value

$9.19

Current Price

$1.28

$7.91 discount

UndervaluedFair: $9.19Overvalued
MRKOvervalued (-13.2%)

Margin of Safety

-13.2%

Fair Value

$96.48

Current Price

$109.18

$12.70 premium

UndervaluedFair: $96.48Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

LUNG1 strengths · Avg: 10.0/10
Price/BookValuation
1.0x10/10

Reasonable price relative to book value

MRK6 strengths · Avg: 9.2/10
Market CapQuality
$274.03B10/10

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
15.2x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$1.82B8/10

Generating 1.8B in free cash flow

Areas to Watch

LUNG4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$54.06M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-77.2%2/10

ROE of -77.2% — below average capital efficiency

Revenue GrowthGrowth
-4.9%2/10

Revenue declined 4.9%

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

Weak financial health signals

PEG RatioValuation
3.362/10

Expensive relative to growth rate

EPS GrowthGrowth
-19.3%2/10

Earnings declined 19.3%

Comparative Analysis Report

WallStSmart Research

Bull Case : LUNG

The strongest argument for LUNG centers on Price/Book.

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%.

Bear Case : LUNG

The primary concerns for LUNG are EPS Growth, Market Cap, Return on Equity.

Bear Case : MRK

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

Key Dynamics to Monitor

LUNG profiles as a turnaround stock while MRK is a value play — different risk/reward profiles.

MRK carries more volatility with a beta of 0.28 — expect wider price swings.

MRK is growing revenue faster at 5.0% — sustainability is the question.

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

Bottom Line

MRK scores higher overall (59/100 vs 37/100), backed by strong 28.1% margins. LUNG offers better value entry with a 84.2% margin of safety. 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.

Pulmonx Corp

HEALTHCARE · MEDICAL DEVICES · USA

Pulmonx Corporation, a medical technology company, designs, develops, manufactures and markets minimally invasive medical devices for the diagnosis and treatment of chronic obstructive pulmonary diseases. The company is headquartered in Redwood City, California.

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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