WallStSmart

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

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Smart Verdict

WallStSmart Research — data-driven comparison

Eli Lilly and Company generates 28% more annual revenue ($86.46B vs $67.38B). LLY leads profitability with a 31.9% profit margin vs 3.6%. LLY appears more attractively valued with a PEG of 1.36. LLY earns a higher WallStSmart Score of 74/100 (B).

LLY

Strong Buy

74

out of 100

Grade: B

Growth: 9.3Profit: 10.0Value: 5.0Quality: 6.0
Piotroski: 6/9Altman Z: 2.16

MRK

Hold

44

out of 100

Grade: D

Growth: 3.3Profit: 6.5Value: 2.0Quality: 5.0
Piotroski: 3/9Altman Z: 2.27
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for LLY.

MRKSignificantly Overvalued (-76.6%)

Margin of Safety

-76.6%

Fair Value

$84.66

Current Price

$144.70

$60.04 premium

UndervaluedFair: $84.66Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

LLY6 strengths · Avg: 9.7/10
Market CapQuality
$1.26T10/10

Mega-cap, among the largest globally

Return on EquityProfitability
78.8%10/10

Every $100 of equity generates 79 in profit

Profit MarginProfitability
31.9%10/10

Keeps 32 of every $100 in revenue as profit

Operating MarginProfitability
53.7%10/10

Strong operational efficiency at 53.7%

Revenue GrowthGrowth
38.6%10/10

Revenue surging 38.6% year-over-year

Free Cash FlowQuality
$7.76B8/10

Generating 7.8B in free cash flow

MRK3 strengths · Avg: 9.3/10
Market CapQuality
$368.89B10/10

Mega-cap, among the largest globally

Operating MarginProfitability
41.2%10/10

Strong operational efficiency at 41.2%

Free Cash FlowQuality
$4.48B8/10

Generating 4.5B in free cash flow

Areas to Watch

LLY3 concerns · Avg: 2.3/10
Debt/EquityHealth
1.623/10

Elevated debt levels

P/E RatioValuation
46.0x2/10

Premium valuation, high expectations priced in

Price/BookValuation
31.2x2/10

Trading at 31.2x book value

MRK4 concerns · Avg: 3.5/10
Price/BookValuation
8.5x4/10

Trading at 8.5x book value

Revenue GrowthGrowth
4.7%4/10

4.7% revenue growth

Return on EquityProfitability
7.6%3/10

ROE of 7.6% — below average capital efficiency

Profit MarginProfitability
3.6%3/10

3.6% margin — thin

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 31.9% and operating margin at 53.7%. Revenue growth of 38.6% demonstrates continued momentum.

Bull Case : MRK

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

Bear Case : LLY

The primary concerns for LLY are Debt/Equity, P/E Ratio, Price/Book. A P/E of 46.0x leaves little room for execution misses. Debt-to-equity of 1.62 is elevated, increasing financial risk.

Bear Case : MRK

The primary concerns for MRK are Price/Book, Revenue Growth, Return on Equity. A P/E of 151.0x leaves little room for execution misses. Thin 3.6% margins leave little buffer for downturns.

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 0.45 — expect wider price swings.

LLY is growing revenue faster at 38.6% — sustainability is the question.

LLY generates stronger free cash flow (7.8B), providing more financial flexibility.

Bottom Line

LLY scores higher overall (74/100 vs 44/100), backed by strong 31.9% margins and 38.6% revenue growth. 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.

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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