Compare StocksMRK vs V

Merck & Co., Inc. (MRK) vs Visa Inc. (V)

MRK
Merck & Co., Inc.
$114.20
VS
V
Visa Inc.
$299.71

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.
V
  • Visa Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Gross margin of 97.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Visa Inc. scores 99/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.

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.
V
  • Insiders have sold $3.9M worth of stock in the past 3 months — significant insider liquidation.

Key Valuation Metrics

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MRK
V
Valuation
$11.89B
Free Cash Flow
$22.03B
4.21%
FCF Yield
3.81%
15.71
Trailing P/E
28.17
11.68
Forward P/E
20.62
Quality & Moat
16.31%
ROIC
37.25%
34.66%
ROE
51.73%
77.21%
Gross Margin
97.78%
N/A
PEG Ratio
1.62
Balance Sheet Safety
0.96
Debt / Equity
0.55
N/A
Interest Coverage
N/A
1.24
Net Debt / EBITDA
0.16
2.98%
Dividend Yield
0.89%
MRK: 4Ties: 1V: 6
MRKV

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.

V

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
V
$5.50
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$44.47B
Δ Market Cap
+$244.54B
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
V
1.1% Margin of Safety
Price is 1.1% below estimated fair value
Current Price: $299.71
Fair Value: $303.16
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.

V

What growth rate is the market pricing in at $300?

+12.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +11.5%

The market implies +12.8% Owner Earnings growth, roughly in line with history — reasonably priced.

Standard FCF implies +11.5%, reflecting ongoing 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.
V
99/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. ROIC Consistency 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.
V
-2.50
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.
V
Insiders 0.6%Institutions 90.8%Retail & Other 8.7%
No. of Institutional Holders5,907
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
V
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
V
2
Sells (3M)
24
Sells (12M)
Total value (12M): $101.23M
CARNEY LLOYD A
Director
$201,253
@ $309.62 · 2026-03-11
MCINERNEY RYAN
Chief Executive Officer
$3.66M
@ $349.18 · 2026-01-02
MCINERNEY RYAN
Chief Executive Officer
$3.57M
@ $340.07 · 2025-12-11
ROTTENBERG JULIE B
General Counsel
$699,315
@ $345.00 · 2025-12-11
TANEJA RAJAT
Officer
$7.84M
@ $330.14 · 2025-12-02
FABARA PAUL D
Officer
$2.50M
@ $331.45 · 2025-12-02
TANEJA RAJAT
Officer
$2.08M
@ $330.00 · 2025-11-21
FABARA PAUL D
Officer
$707,917
@ $325.93 · 2025-11-21
CARNEY LLOYD A
Director
$302,832
@ $336.48 · 2025-11-04
MCINERNEY RYAN
Chief Executive Officer
$3.58M
@ $341.00 · 2025-11-03
MCINERNEY RYAN
Chief Executive Officer
$3.59M
@ $342.30 · 2025-10-01
MCINERNEY RYAN
Chief Executive Officer
$3.65M
@ $348.57 · 2025-09-02
ROTTENBERG JULIE B
General Counsel
$697,329
@ $344.02 · 2025-08-18
MCINERNEY RYAN
Chief Executive Officer
$3.60M
@ $343.13 · 2025-08-14
MCINERNEY RYAN
Chief Executive Officer
$3.05M
@ $353.82 · 2025-07-01
FABARA PAUL D
Officer
$4.36M
@ $375.00 · 2025-06-11
TANEJA RAJAT
President
$18.44M
@ $368.87 · 2025-06-05
FABARA PAUL D
Officer
$17.10M
@ $370.00 · 2025-06-05
MCINERNEY RYAN
Chief Executive Officer
$3.13M
@ $362.77 · 2025-06-02
FABARA PAUL D
Officer
$6.32M
@ $357.45 · 2025-05-12
FABARA PAUL D
Officer
$5.26M
@ $355.04 · 2025-05-08
MCINERNEY RYAN
Chief Executive Officer
$2.98M
@ $345.58 · 2025-05-01
ROTTENBERG JULIE B
General Counsel
$889,868
@ $345.58 · 2025-05-01
MCINERNEY RYAN
Chief Executive Officer
$3.02M
@ $350.44 · 2025-04-01
FABARA PAUL D
Officer
$13.40M
@ $340.41 · 2025-03-19
FABARA PAUL D
Officer
$12.88M
@ $327.20 · 2025-03-14
MCINERNEY RYAN
Chief Executive Officer
$3.13M
@ $363.00 · 2025-03-03
ANDRESKI PETER M
Officer
$815,314
@ $349.62 · 2025-02-07
MAHON TULLIER KELLY
Officer
$11.80M
@ $349.77 · 2025-02-07
MCINERNEY RYAN
Chief Executive Officer
$2.93M
@ $340.00 · 2025-02-03
ROTTENBERG JULIE B
General Counsel
$874,480
@ $340.00 · 2025-02-03
MCINERNEY RYAN
Chief Executive Officer
$2.74M
@ $317.78 · 2025-01-02
TANEJA RAJAT
Officer
$11.15M
@ $315.55 · 2024-12-13
MCINERNEY RYAN
Chief Executive Officer
$2.73M
@ $316.90 · 2024-12-02
FABARA PAUL D
Officer
$668,603
@ $307.97 · 2024-11-22
MCINERNEY RYAN
Chief Executive Officer
$2.49M
@ $288.49 · 2024-11-01
ROTTENBERG JULIE B
General Counsel
$741,996
@ $288.49 · 2024-11-01
MCINERNEY RYAN
Chief Executive Officer
$2.39M
@ $276.97 · 2024-10-01
MCINERNEY RYAN
Chief Executive Officer
$2.38M
@ $276.37 · 2024-09-03
MCINERNEY RYAN
Chief Executive Officer
$2.37M
@ $275.00 · 2024-08-29
ROTTENBERG JULIE B
General Counsel
$707,300
@ $275.00 · 2024-08-29
MAHON TULLIER KELLY
Officer
$10.12M
@ $267.64 · 2024-08-16
FABARA PAUL D
Officer
$7.01M
@ $277.15 · 2024-05-15
CARNEY LLOYD A
Director
$250,472
@ $275.55 · 2024-04-26
MCINERNEY RYAN
Chief Executive Officer
$2.30M
@ $280.36 · 2024-04-01
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.
V
FearGreed
😨Fear(36/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

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)
V
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: Fear (36)
View MRK Full AnalysisView V Full Analysis
Merck & Co., Inc. (MRK) vs Visa Inc. (V) Stock Comparison | SafetyMargin.io