Compare StocksMRK vs PEP

Merck & Co., Inc. (MRK) vs PepsiCo, Inc. (PEP)

MRK
Merck & Co., Inc.
$114.20
VS
PEP
PepsiCo, Inc.
$152.74

Rewards

MRK
  • Gross margin of 77.2% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Dividend yield of 2.98% with a consistent or growing payout over the past 4 years.
  • Management has timed buybacks well — 2 out of 3 years showed value-accretive repurchases.
PEP
  • PepsiCo, Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • PepsiCo, Inc. scores 88/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Free cash flow has grown at a 11.0% CAGR over the past 4 years, demonstrating strong earnings power growth.

Risks

MRK
  • 12 insider sales totaling $40.7M with no purchases in the past 3 months — insiders are reducing their exposure.
  • Free cash flow has declined at a 5.6% CAGR over the past 4 years — a concerning trend.
PEP
  • High leverage (2.58x debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • Insiders have sold $4.7M worth of stock in the past 3 months — significant insider liquidation.

Key Valuation Metrics

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MRK
PEP
Valuation
$11.89B
Free Cash Flow
$8.23B
4.21%
FCF Yield
3.94%
15.71
Trailing P/E
25.46
11.68
Forward P/E
16.73
Quality & Moat
16.31%
ROIC
14.19%
34.66%
ROE
40.10%
77.21%
Gross Margin
54.46%
N/A
PEG Ratio
0.38
Balance Sheet Safety
0.96
Debt / Equity
2.58
N/A
Interest Coverage
N/A
1.24
Net Debt / EBITDA
2.39
2.98%
Dividend Yield
3.73%
MRK: 8Ties: 1PEP: 2
MRKPEP

Historical Fundamentals

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MRK

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

PEP

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

$1 Retained Earnings Test

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MRK
$-1.72
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$12.28B
Δ Market Cap
$-21.09B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
PEP
$-9.83
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$5.34B
Δ Market Cap
$-52.53B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Discounted Cash Flow (DCF) Analysis

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MRK
78.1% Margin of Safety
Price is 78.1% below estimated fair value
Current Price: $114.20
Fair Value: $522.23
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
PEP
81.1% Overvalued
Price is 81.1% above estimated fair value
Current Price: $152.74
Fair Value: $84.35
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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MRK

What growth rate is the market pricing in at $114?

+5.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +11.7%

The market implies +5.8% Owner Earnings growth, roughly in line with history — reasonably priced.

Standard FCF implies +11.7%, reflecting ongoing growth investment.

PEP

What growth rate is the market pricing in at $153?

+13.5%
Market-Implied Owner Earnings Growth
Standard FCF implies +13.5%

The market implies +13.5% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +13.5%, reflecting heavy growth investment.

Economic Moat Score

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MRK
68/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability would strengthen the moat.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.
PEP
88/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Revenue Predictability is the standout factor.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.

Forensic Accounting

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MRK
-2.31
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
PEP
-2.57
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Ownership Breakdown

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MRK
Insiders 0.1%Institutions 81.4%Retail & Other 18.6%
No. of Institutional Holders4,575
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
PEP
Insiders 0.2%Institutions 79.9%Retail & Other 19.9%
No. of Institutional Holders4,357
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.

High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.

Insider Buying Activity

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MRK
0
Buys (3M)
0
Buys (12M)
THULIN INGE G
Director
$250,000
@ $88.28 · 2025-02-06
BAKER DOUGLAS M JR
Director
$1.33M
@ $88.50 · 2025-02-05
Open market purchases · includes direct & indirect ownership · excludes option exercises
PEP
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

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MRK
12
Sells (3M)
15
Sells (12M)
Total value (12M): $42.39M
GUINDO CHIRFI
Officer
$1.21M
@ $121.46 · 2026-02-12
LI DEAN Y
Officer
$1.20M
@ $117.52 · 2026-02-10
GUINDO CHIRFI
Officer
$1.18M
@ $118.41 · 2026-02-09
ZACHARY JENNIFER L
General Counsel
$14.49M
@ $119.15 · 2026-02-09
DELUCA RICHARD ROBERT JR.
Officer
$4.56M
@ $120.92 · 2026-02-06
OOSTHUIZEN JOHANNES JACOBUS
Officer
$1.83M
@ $121.87 · 2026-02-06
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$609,525
@ $121.91 · 2026-02-06
GUINDO CHIRFI
Officer
$2.44M
@ $121.88 · 2026-02-05
DAVIS ROBERT M
Chief Executive Officer
$5.60M
@ $118.04 · 2026-02-04
SMART DALTON E. III
Officer
$765,920
@ $119.67 · 2026-02-04
LI DEAN Y
Officer
$1.79M
@ $118.77 · 2026-02-04
LITCHFIELD CAROLINE
Chief Financial Officer
$5.02M
@ $119.61 · 2026-02-04
DOWNING CRISTAL N.
Officer
$616,395
@ $87.00 · 2025-11-10
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$720,040
@ $83.59 · 2025-11-03
SMART DALTON E. III
Officer
$352,723
@ $82.76 · 2025-04-25
OOSTHUIZEN JOHANNES JACOBUS
Officer
$714,745
@ $84.09 · 2025-02-19
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$512,057
@ $85.34 · 2025-02-13
DOWNING CRISTAL N.
Officer
$209,551
@ $88.76 · 2025-02-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
PEP
1
Sells (3M)
1
Sells (12M)
Total value (12M): $4.68M
LAGUARTA RAMON L
Chief Executive Officer
$4.68M
@ $167.39 · 2026-03-02
GALLAGHER MARIE T
Officer
$3.99M
@ $159.55 · 2025-03-04
FLAVELL DAVID JAMES
General Counsel
$1.04M
@ $150.90 · 2025-03-03
LAGUARTA RAMON L
Chief Executive Officer
$7.74M
@ $154.90 · 2025-03-03
KRISHNAN RAMKUMAR
Chief Executive Officer
$1.50M
@ $150.97 · 2025-03-03
WILLIAMS STEVEN C
Officer
$2.71M
@ $150.89 · 2025-03-03
SANTILLI PAULA ALEJANDRA
Officer
$1.18M
@ $151.89 · 2025-02-27
FLAVELL DAVID JAMES
General Counsel
$1.19M
@ $179.86 · 2024-05-10
KRISHNAN RAMKUMAR
Officer
$1.00M
@ $178.00 · 2024-05-09
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

🎭 Mr. Market's Mood

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MRK
FearGreed
😐Neutral(54/100)

"Market is pricing this stock without strong emotion in either direction"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
PEP
FearGreed
😐Neutral(50/100)

"Market is pricing this stock without strong emotion in either direction"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

⚖️ Buffett Signal

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MRK
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Neutral (54)
PEP
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Neutral (50)
View MRK Full AnalysisView PEP Full Analysis
Merck & Co., Inc. (MRK) vs PepsiCo, Inc. (PEP) Stock Comparison | SafetyMargin.io