Compare StocksMRK vs PG

Merck & Co., Inc. (MRK) vs The Procter & Gamble Company (PG)

MRK
Merck & Co., Inc.
$112.16
VS
PG
The Procter & Gamble Company
$147.26

Rewards

MRK
  • Gross margin of 76.6% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Each dollar of retained earnings has created $3.38 of earning power — management is an exceptional capital allocator.
  • Dividend yield of 3.03% with a consistent or growing payout over the past 4 years.
PG
  • The Procter & Gamble Company has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • The Procter & Gamble Company scores 94/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.

Risks

MRK
  • PEG ratio of 3.43 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • 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.
PG
  • PEG ratio of 3.72 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • 7 insider sales totaling $41.0M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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MRK
PG
Valuation
N/A
Free Cash Flow
$12.73B
N/A
FCF Yield
3.71%
31.51
Trailing P/E
21.56
11.52
Forward P/E
20.77
Quality & Moat
19.18%
ROIC
17.21%
34.66%
ROE
29.19%
76.60%
Gross Margin
50.98%
3.43
PEG Ratio
3.72
Balance Sheet Safety
0.96
Debt / Equity
0.68
N/A
Interest Coverage
N/A
1.23
Net Debt / EBITDA
0.99
3.03%
Dividend Yield
2.89%
MRK: 5Ties: 2PG: 3
MRKPG

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.

PG

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
PG
$-1.57
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$17.32B
Δ Market Cap
$-27.18B
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
78.5% Margin of Safety
Price is 78.5% below estimated fair value
Current Price: $112.16
Fair Value: $522.77
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
PG
48.5% Overvalued
Price is 48.5% above estimated fair value
Current Price: $147.26
Fair Value: $99.19
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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MRK

Requires positive FCF to compute implied growth rate.

PG

What growth rate is the market pricing in at $147?

+9.6%
Market-Implied Owner Earnings Growth
Standard FCF implies +12.7%

The market implies +9.6% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +12.7%, 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.
PG
94/100
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.
PG
-2.54
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 81.3%Retail & Other 18.6%
No. of Institutional Holders4,628
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.
PG
Insiders 0.1%Institutions 70.2%Retail & Other 29.8%
No. of Institutional Holders4,996
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
PG
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)
14
Sells (12M)
Total value (12M): $42.04M
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
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$609,525
@ $121.91 · 2026-02-06
OOSTHUIZEN JOHANNES JACOBUS
Officer
$1.83M
@ $121.87 · 2026-02-06
GUINDO CHIRFI
Officer
$2.44M
@ $121.88 · 2026-02-05
LI DEAN Y
Officer
$1.79M
@ $118.77 · 2026-02-04
DAVIS ROBERT M
Chief Executive Officer
$5.60M
@ $118.04 · 2026-02-04
LITCHFIELD CAROLINE
Chief Financial Officer
$5.02M
@ $119.61 · 2026-02-04
SMART DALTON E. III
Officer
$765,920
@ $119.67 · 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
PG
7
Sells (3M)
29
Sells (12M)
Total value (12M): $80.66M
FRANCISCO MA. FATIMA
Officer
$917,199
@ $165.29 · 2026-02-27
WHALEY SUSAN STREET
Officer
$288,454
@ $159.45 · 2026-02-19
AGUILAR MOSES VICTOR JAVIER
Officer
$2.46M
@ $162.28 · 2026-02-13
COOMBE GARY A
Officer
$5.86M
@ $162.33 · 2026-02-12
MOELLER JON R
Officer and Director
$28.12M
@ $162.29 · 2026-02-12
PURUSHOTHAMAN BALAJI
Officer
$2.06M
@ $160.31 · 2026-02-11
FRANCISCO MA. FATIMA
Officer
$1.26M
@ $158.00 · 2026-02-04
PRITCHARD MARC S
Officer
$14.50M
@ $151.15 · 2026-01-23
JANZARUK MATTHEW W.
Officer
$108,438
@ $149.57 · 2025-10-30
SCHULTEN ANDRE
Chief Financial Officer
$647,289
@ $152.23 · 2025-10-02
DAVIS JENNIFER L
Officer
$491,252
@ $152.23 · 2025-10-02
WHALEY SUSAN STREET
Officer
$366,574
@ $152.23 · 2025-10-02
PURUSHOTHAMAN BALAJI
Officer
$74,594
@ $152.23 · 2025-10-02
JEJURIKAR SHAILESH
Chief Operating Officer
$606,796
@ $152.23 · 2025-10-02
COOMBE GARY A
Officer
$538,139
@ $152.23 · 2025-10-02
MOELLER JON R
Chief Executive Officer
$1.78M
@ $152.23 · 2025-10-02
WHALEY SUSAN STREET
Officer
$156,835
@ $156.84 · 2025-08-29
RAMAN SUNDAR G.
Officer
$1.51M
@ $158.16 · 2025-08-21
COOMBE GARY A
Officer
$1.61M
@ $158.16 · 2025-08-21
FRANCISCO MA. FATIMA
Officer
$1.43M
@ $157.27 · 2025-08-19
SCHULTEN ANDRE
Chief Financial Officer
$1.83M
@ $157.27 · 2025-08-19
JANZARUK MATTHEW W.
Officer
$50,170
@ $157.27 · 2025-08-19
DAVIS JENNIFER L
Officer
$1.35M
@ $157.27 · 2025-08-19
WHALEY SUSAN STREET
Officer
$969,908
@ $157.27 · 2025-08-19
PURUSHOTHAMAN BALAJI
Officer
$95,308
@ $157.27 · 2025-08-19
JEJURIKAR SHAILESH
Chief Operating Officer
$2.05M
@ $157.27 · 2025-08-19
PRITCHARD MARC S
Officer
$1.55M
@ $157.27 · 2025-08-19
MOELLER JON R
Chief Executive Officer
$6.31M
@ $157.27 · 2025-08-19
AGUILAR MOSES VICTOR JAVIER
Officer
$1.67M
@ $158.67 · 2025-05-05
DAVIS JENNIFER L
Officer
$161,384
@ $161.38 · 2025-04-29
COOMBE GARY A
Officer
$6.08M
@ $173.68 · 2025-02-28
COOMBE GARY A
Officer
$3.09M
@ $171.66 · 2025-02-25
PRITCHARD MARC S
Officer
$14.82M
@ $163.84 · 2025-01-23
COOMBE GARY A
Officer
$8.60M
@ $179.84 · 2024-11-27
PURUSHOTHAMAN BALAJI
Officer
$2.21M
@ $172.73 · 2024-11-21
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(55/100)

"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.
PG
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.

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 (55)
PG
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)
View MRK Full AnalysisView PG Full Analysis
MRK vs PG: Which Is the Better Buy? | SafetyMargin.io