Compare StocksMRK vs VZ

Merck & Company, Inc. (MRK) vs Verizon Communications Inc. (VZ): Which Is the Better Buy in 2026?

As of 2026-08-03, MRK is undervalued at $130, with a DCF intrinsic value of $1474147659576 and a margin of safety of 100%. VZ is overvalued at $47, with an intrinsic value of $33 and a margin of safety of -43%. Of the two, MRK has the wider margin of safety.

MRK
Merck & Company, Inc.
$130.20
VS
VZ
Verizon Communications Inc.
$46.81

Rewards

MRK
  • Gross margin of 76.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Each dollar of retained earnings has created $4.94 of earning power — management is an exceptional capital allocator.
  • Management has timed buybacks well — 2 out of 3 years showed value-accretive repurchases.
VZ
  • Free cash flow has grown at a 23.7% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • FCF yield of 8.9% is historically attractive — the business generates significant cash relative to its price.
  • PEG ratio of 0.89 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.

Risks

MRK
  • PEG ratio of 12.06 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • 14 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
  • Free cash flow has declined at a 5.6% CAGR over the past 4 years — a concerning trend.
VZ
  • High leverage (1.82x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • Altman Z-Score of 1.24 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • Insiders have sold $3.5M worth of stock in the past 3 months — significant insider liquidation.

Key Valuation Metrics

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MRK
VZ
Valuation
$14.05B
Free Cash Flow
$17.47B
N/A
FCF Yield
8.94%
36.68
Trailing P/E
12.19
13.45
Forward P/E
8.88
Quality & Moat
21.10%
ROIC
8.44%
18.94%
ROE
15.84%
76.73%
Gross Margin
59.45%
12.06
PEG Ratio
0.89
Balance Sheet Safety
0.95
Net Debt / Equity
1.82
N/A
Interest Coverage
N/A
1.47
Net Debt / EBITDA
3.76
2.61%
Dividend Yield
6.05%
MRK: 5Ties: 1VZ: 5
MRKVZ

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. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

VZ

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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MRK
$-0.00
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$12.28B
Δ Market Cap
$-5.69
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
VZ
$0.50
created per $1 retained over 3 years
Mediocre Allocator
Σ Retained
$12.54B
Δ Market Cap
+$6.29B
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
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $130.20
Fair Value: $1474147659576.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
VZ
42.9% Overvalued
Price is 42.9% above estimated fair value
Current Price: $46.81
Fair Value: $32.76
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 $130?

-26.9%
Market-Implied Owner Earnings Growth
Standard FCF implies -20.2%

The market implies -26.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -20.2%, reflecting heavy growth investment expected to generate future returns.

VZ

What growth rate is the market pricing in at $47?

+8.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.1%

The market implies +8.7% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +9.1%, 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.
VZ
55/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with margin stability as the key competitive advantage. Improving roic consistency 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.

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.
VZ
-2.69
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 82.1%Retail & Other 17.8%
No. of Institutional Holders4,770
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.
VZ
Insiders 0.0%Institutions 70.7%Retail & Other 29.2%
No. of Institutional Holders3,969
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
VZ
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
0
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
OOSTHUIZEN JOHANNES JACOBUS
Officer
$1.83M
@ $121.87 · 2026-02-06
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$609,525
@ $121.91 · 2026-02-06
DELUCA RICHARD ROBERT JR.
Officer
$4.56M
@ $120.92 · 2026-02-06
GUINDO CHIRFI
Officer
$2.44M
@ $121.88 · 2026-02-05
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
DAVIS ROBERT M
Chief Executive Officer
$5.60M
@ $118.04 · 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
VZ
1
Sells (3M)
3
Sells (12M)
Total value (12M): $4.35M
HAMMOCK SAMANTHA
Officer
$3.50M
@ $47.83 · 2026-05-29
STILLWELL MARY-LEE
Officer
$428,450
@ $50.00 · 2026-03-02
RUSSO JOSEPH J.
Officer
$429,906
@ $44.88 · 2026-02-02
MALADY KYLE
Officer
$438,101
@ $43.81 · 2025-05-08
MALADY KYLE
Officer
$396,900
@ $44.10 · 2025-05-07
MALADY KYLE
Officer
$329,062
@ $43.87 · 2025-04-30
MALADY KYLE
Officer
$430,240
@ $43.02 · 2025-04-24
MALADY KYLE
Officer
$212,425
@ $42.48 · 2025-04-23
VENKATESH VANDANA
Officer
$437,939
@ $43.79 · 2025-02-25
MALADY KYLE
Officer
$261,623
@ $39.70 · 2025-02-04
MALADY KYLE
Officer
$319,080
@ $39.88 · 2025-02-03
MALADY KYLE
Chief Executive Officer
$453,155
@ $40.88 · 2025-01-29
MALADY KYLE
Officer
$809,800
@ $40.49 · 2025-01-28
MALADY KYLE
Officer
$810,800
@ $40.54 · 2025-01-27
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
😏Greed(67/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

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.
VZ
FearGreed
😏Greed(61/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

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: Greed (67)
VZ
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: Greed (61)
View MRK Full AnalysisView VZ Full Analysis

Frequently Asked Questions: MRK vs VZ

Is Merck & Company, Inc. or Verizon Communications Inc. more undervalued in 2026?

Based on our discounted cash flow model, MRK trades at a 100.0% margin of safety (intrinsic value $1474147659576 vs. price $130), compared to VZ's -42.9% margin of safety (intrinsic $33 vs. $47).

Which stock has a wider economic moat, Merck & Company, Inc. or Verizon Communications Inc.?

MRK scores 68/100 (Narrow moat), while VZ scores 55/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Verizon Communications Inc. in financial distress?

VZ's Altman Z-Score of 1.2 places it in the Distress zone, signaling elevated bankruptcy risk. MRK scores 1.9 (Grey zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which stock has higher return on invested capital, Merck & Company, Inc. or Verizon Communications Inc.?

MRK earns 21.1% ROIC versus VZ's 8.4%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Merck & Company, Inc.'s or Verizon Communications Inc.'s?

VZ's dividend earns a safety score of 84/100 (Very Safe), compared to MRK's 79/100 (Safe). VZ has raised its dividend for 3 consecutive years.