Compare StocksBAC vs CMCSA

Bank of America Corporation (BAC) vs Comcast Corporation (CMCSA)

BAC
Bank of America Corporation
$53.24
VS
CMCSA
Comcast Corporation
$27.16

Rewards

BAC
  • Bank of America Corporation scores 100/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • PEG ratio of 0.54 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
CMCSA
  • Gross margin of 70.1% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Comcast Corporation scores 72/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.
  • Free cash flow has grown at a 15.0% CAGR over the past 4 years, demonstrating strong earnings power growth.

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.
  • 5 insider sales totaling $20.2M with no purchases in the past 3 months — insiders are reducing their exposure.
CMCSA
  • PEG ratio of 142.98 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Altman Z-Score of 1.37 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.

Key Valuation Metrics

Learn more →
BAC
CMCSA
Valuation
N/A
Free Cash Flow
$19.23B
N/A
FCF Yield
19.82%
13.24
Trailing P/E
5.33
10.56
Forward P/E
7.13
Quality & Moat
3.89%
ROIC
7.10%
N/A
ROE
22.59%
0.00%
Gross Margin
70.13%
0.54
PEG Ratio
142.98
Balance Sheet Safety
N/A
Debt / Equity
1.07
N/A
Interest Coverage
N/A
N/A
Net Debt / EBITDA
2.41
2.10%
Dividend Yield
4.85%
BAC: 1Ties: 1CMCSA: 5
BACCMCSA

Historical Fundamentals

Learn more →
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.

CMCSA

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

Learn more →
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
CMCSA
$-1.01
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$37.10B
Δ Market Cap
$-37.35B
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

Learn more →
BAC
59.1% Margin of Safety
Price is 59.1% below estimated fair value
Current Price: $53.24
Fair Value: $130.24
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
CMCSA
72.1% Margin of Safety
Price is 72.1% below estimated fair value
Current Price: $27.16
Fair Value: $97.21
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

Learn more →
BAC

Requires positive FCF to compute implied growth rate.

CMCSA

What growth rate is the market pricing in at $27?

-3.2%
Market-Implied Owner Earnings Growth
Standard FCF implies -2.6%

The market implies -3.2% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -2.6%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

Learn more →
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.
CMCSA
72/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by margin stability. ROIC Consistency 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 5 years of fundamental data.

Forensic Accounting

Learn more →
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.
CMCSA
-2.73
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

Learn more →
BAC
Insiders 7.4%Institutions 71.5%Retail & Other 21.1%
No. of Institutional Holders4,375
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.
CMCSA
Insiders 0.8%Institutions 89.7%Retail & Other 9.6%
No. of Institutional Holders2,734
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

Learn more →
BAC
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
CMCSA
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

Learn more →
BAC
5
Sells (3M)
5
Sells (12M)
Total value (12M): $20.17M
MENSAH BERNARD AMPONSAH
Officer
$4.41M
@ $46.94 · 2026-03-12
BRONSTEIN SHERI B
Officer
$2.99M
@ $49.91 · 2026-03-05
SCRIVENER THOMAS M
Officer
$2.49M
@ $49.82 · 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
CMCSA
1
Sells (3M)
2
Sells (12M)
Total value (12M): $388,385
ARMSTRONG JASON S
Chief Financial Officer
$142,617
@ $31.73 · 2026-03-05
NAKAHARA ASUKA
Director
$245,768
@ $29.70 · 2026-02-03
ROBERTS BRIAN L
Chief Executive Officer
$20.06M
@ $42.73 · 2024-11-27
BACON KENNETH J
Director
$625,093
@ $43.39 · 2024-11-22
ARMSTRONG JASON S
Chief Financial Officer
$1.04M
@ $44.84 · 2024-11-06
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

Learn more →
BAC
FearGreed
😏Greed(64/100)

"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.
CMCSA
FearGreed
😐Neutral(42/100)

"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

Learn more →
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 (64)
CMCSA
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 (42)
View BAC Full AnalysisView CMCSA Full Analysis
BAC vs CMCSA: Which Is the Better Buy? | SafetyMargin.io