Compare StocksBAC vs MRK

Bank of America Corporation (BAC) vs Merck & Co., Inc. (MRK): Which Is the Better Buy in 2026?

As of 2026-06-19, BAC is undervalued at $56, with a DCF intrinsic value of $133 and a margin of safety of 58%. MRK is undervalued at $114, with an intrinsic value of $597 and a margin of safety of 81%. Of the two, MRK has the wider margin of safety.

BAC
Bank of America Corporation
$56.20
VS
MRK
Merck & Co., Inc.
$113.87

Rewards

BAC
  • Bank of America Corporation scores 100/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
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.

Risks

BAC
  • Gross margin of 0.0% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • Altman Z-Score of 0.22 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
MRK
  • PEG ratio of 5.36 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.

Key Valuation Metrics

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BAC
MRK
Valuation
N/A
Free Cash Flow
$14.05B
N/A
FCF Yield
5.00%
13.95
Trailing P/E
32.08
11.13
Forward P/E
11.91
Quality & Moat
3.89%
ROIC
21.10%
10.64%
ROE
18.94%
0.00%
Gross Margin
76.73%
1.02
PEG Ratio
5.36
Balance Sheet Safety
N/A
Net Debt / Equity
0.95
N/A
Interest Coverage
N/A
N/A
Net Debt / EBITDA
1.47
1.97%
Dividend Yield
2.95%
BAC: 3Ties: 1MRK: 4
BACMRK

Historical Fundamentals

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BAC

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.

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.

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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BAC
$2.37
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$55.63B
Δ Market Cap
+$131.83B
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
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

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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BAC
57.9% Margin of Safety
Price is 57.9% below estimated fair value
Current Price: $56.20
Fair Value: $133.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
MRK
80.9% Margin of Safety
Price is 80.9% below estimated fair value
Current Price: $113.87
Fair Value: $596.86
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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BAC

Requires positive FCF to compute implied growth rate.

MRK

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

+4.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.7%

The market implies +4.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +9.7%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

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

Wide moat driven primarily by revenue predictability. Reinvestment Efficiency is the area most vulnerable to competitive pressure.

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.
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.

Forensic Accounting

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BAC
-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.
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.

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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BAC
Insiders 7.3%Institutions 70.6%Retail & Other 22.0%
No. of Institutional Holders4,373
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.
MRK
Insiders 0.1%Institutions 82.3%Retail & Other 17.6%
No. of Institutional Holders4,766
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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BAC
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
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

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

Insider Selling Activity

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BAC
0
Sells (3M)
5
Sells (12M)
Total value (12M): $20.17M
MENSAH BERNARD AMPONSAH
Officer
$4.41M
@ $46.94 · 2026-03-12
SCRIVENER THOMAS M
Officer
$2.49M
@ $49.82 · 2026-03-05
BRONSTEIN SHERI B
Officer
$2.99M
@ $49.91 · 2026-03-05
ATHANASIA DEAN C
President
$6.86M
@ $50.21 · 2026-03-03
BORTHWICK ALASTAIR M.
Chief Financial Officer
$3.42M
@ $50.24 · 2026-02-27
MENSAH BERNARD AMPONSAH
Officer
$3.66M
@ $39.80 · 2024-08-27
HANS LINDSAY D
Officer
$402,410
@ $36.91 · 2024-08-05
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
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
ZACHARY JENNIFER L
General Counsel
$14.49M
@ $119.15 · 2026-02-09
GUINDO CHIRFI
Officer
$1.18M
@ $118.41 · 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
DAVIS ROBERT M
Chief Executive Officer
$5.60M
@ $118.04 · 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

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

🎭 Mr. Market's Mood

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BAC
FearGreed
😏Greed(74/100)

"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.
MRK
FearGreed
😐Neutral(53/100)

"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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BAC
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 (74)
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 (53)
View BAC Full AnalysisView MRK Full Analysis

Frequently Asked Questions: BAC vs MRK

Is Bank of America Corporation or Merck & Co., Inc. more undervalued in 2026?

Based on our discounted cash flow model, MRK trades at a 80.9% margin of safety (intrinsic value $597 vs. price $114), compared to BAC's 57.9% margin of safety (intrinsic $133 vs. $56).

Which stock has a wider economic moat, Bank of America Corporation or Merck & Co., Inc.?

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

Is Bank of America Corporation in financial distress?

BAC's Altman Z-Score of 0.2 places it in the Distress zone, signaling elevated bankruptcy risk. MRK scores 3.7 (Safe 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, Bank of America Corporation or Merck & Co., Inc.?

MRK earns 21.1% ROIC versus BAC's 3.9%. 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, Bank of America Corporation's or Merck & Co., Inc.'s?

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

BAC vs MRK: Which Is the Better Buy in 2026? | SafetyMargin.io