WallStSmart

Eli Lilly and Company (LLY)vsMerck & Company Inc (MRK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Eli Lilly and Company generates 0% more annual revenue ($65.18B vs $65.01B). LLY leads profitability with a 31.7% profit margin vs 28.1%. LLY appears more attractively valued with a PEG of 1.06. LLY earns a higher WallStSmart Score of 78/100 (B+).

LLY

Strong Buy

78

out of 100

Grade: B+

Growth: 10.0Profit: 10.0Value: 8.7Quality: 8.0
Piotroski: 6/9Altman Z: 2.06

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

LLYUndervalued (+14.6%)

Margin of Safety

+14.6%

Fair Value

$1074.06

Current Price

$918.05

$156.01 discount

UndervaluedFair: $1074.06Overvalued
MRKSignificantly Overvalued (-130.7%)

Margin of Safety

-130.7%

Fair Value

$49.50

Current Price

$114.50

$65.00 premium

UndervaluedFair: $49.50Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

LLY6 strengths · Avg: 10.0/10
Market CapQuality
$885.28B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
101.2%10/10

Every $100 of equity generates 101 in profit

Profit MarginProfitability
31.7%10/10

Keeps 32 of every $100 in revenue as profit

Operating MarginProfitability
44.9%10/10

Strong operational efficiency at 44.9%

Revenue GrowthGrowth
42.6%10/10

Revenue surging 42.6% year-over-year

EPS GrowthGrowth
51.4%10/10

Earnings expanding 51.4% YoY

MRK6 strengths · Avg: 9.2/10
Market CapQuality
$285.39B10/10

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
15.9x8/10

Attractively priced relative to earnings

Free Cash FlowQuality
$1.82B8/10

Generating 1.8B in free cash flow

Areas to Watch

LLY3 concerns · Avg: 2.3/10
Debt/EquityHealth
1.603/10

Elevated debt levels

P/E RatioValuation
43.1x2/10

Premium valuation, high expectations priced in

Price/BookValuation
31.0x2/10

Trading at 31.0x book value

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

Weak financial health signals

PEG RatioValuation
3.522/10

Expensive relative to growth rate

EPS GrowthGrowth
-19.3%2/10

Earnings declined 19.3%

Comparative Analysis Report

WallStSmart Research

Bull Case : LLY

The strongest argument for LLY centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 31.7% and operating margin at 44.9%. Revenue growth of 42.6% demonstrates continued momentum.

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 : LLY

The primary concerns for LLY are Debt/Equity, P/E Ratio, Price/Book. A P/E of 43.1x leaves little room for execution misses. Debt-to-equity of 1.60 is elevated, increasing financial risk.

Bear Case : MRK

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

Key Dynamics to Monitor

LLY profiles as a growth stock while MRK is a value play — different risk/reward profiles.

LLY carries more volatility with a beta of 0.43 — expect wider price swings.

LLY is growing revenue faster at 42.6% — sustainability is the question.

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

Bottom Line

LLY scores higher overall (78/100 vs 59/100), backed by strong 31.7% margins and 42.6% revenue growth. Both earn "Strong 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.

Eli Lilly and Company

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Eli Lilly and Company is an American pharmaceutical company headquartered in Indianapolis, Indiana, with offices in 18 countries. Its products are sold in approximately 125 countries.

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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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