Compare StocksAON vs BAC

Aon plc (AON) vs Bank of America Corporation (BAC)

AON
Aon plc
$316.99
VS
BAC
Bank of America Corporation
$47.01

Rewards

AON
  • Aon plc has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • Aon plc scores 90/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
  • Each dollar of retained earnings has created $1.94 of market value — management is creating shareholder value.
BAC
  • Each dollar of retained earnings has created $2.37 of market value — management is an exceptional capital allocator.
  • PEG ratio of 0.58 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.

Risks

AON
  • Altman Z-Score of 1.80 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
BAC
  • Gross margin of 0.0% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • Bank of America Corporation scores only 20/100 on the Economic Moat Score, suggesting limited durable competitive advantages.
  • Altman Z-Score of 0.22 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.

Key Valuation Metrics

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AON
BAC
Valuation
$3.06B
Free Cash Flow
N/A
4.49%
FCF Yield
N/A
18.62
Trailing P/E
12.34
14.72
Forward P/E
9.49
Quality & Moat
16.61%
ROIC
4.61%
38.70%
ROE
N/A
47.20%
Gross Margin
0.00%
0.13
PEG Ratio
0.58
Balance Sheet Safety
1.68
Debt / Equity
N/A
N/A
Interest Coverage
N/A
2.38
Net Debt / EBITDA
N/A
0.94%
Dividend Yield
2.38%
AON: 3Ties: 1BAC: 3
AONBAC

Historical Fundamentals

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AON

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

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.

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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AON
$1.94
created per $1 retained over 3 years
Value Creator
Σ Retained
$7.23B
Δ Market Cap
+$14.04B
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
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

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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AON
26.3% Margin of Safety
Price is 26.3% below estimated fair value
Current Price: $316.99
Fair Value: $429.96
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
BAC
64.3% Margin of Safety
Price is 64.3% below estimated fair value
Current Price: $47.01
Fair Value: $131.82
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AON

What growth rate is the market pricing in at $317?

+9.1%
Market-Implied Owner Earnings Growth
Standard FCF implies +11.6%

The market implies +9.1% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +11.6%, reflecting heavy growth investment expected to generate future returns.

BAC

Requires positive FCF to compute implied growth rate.

Economic Moat Score

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AON
90/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Reinvestment Efficiency 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.
BAC
20/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though revenue predictability shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.

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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AON
-2.36
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.
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.

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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AON
Insiders 2.8%Institutions 88.8%Retail & Other 8.4%
No. of Institutional Holders1,739
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.
BAC
Insiders 7.3%Institutions 71.2%Retail & Other 21.5%
No. of Institutional Holders4,445
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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AON
1
Buys (3M)
1
Buys (12M)
Total value (12M): $1.28M
KNIGHT LESTER B III
Director
$1.28M
@ $319.24 · 2026-02-10
SPRUELL BYRON
Director
$246,558
@ $340.08 · 2024-08-28
KNIGHT LESTER B III
Director
$2.77M
@ $276.61 · 2024-05-03
Open market purchases · includes direct & indirect ownership · excludes option exercises
BAC
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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AON
2
Sells (3M)
3
Sells (12M)
Total value (12M): $6.09M
ZEIDEL DARREN
General Counsel
$1.42M
@ $329.72 · 2026-02-26
ZEIDEL DARREN
General Counsel
$1.64M
@ $325.79 · 2026-02-17
ZEIDEL DARREN
General Counsel
$3.03M
@ $344.52 · 2025-11-05
SIMON MINDY F
Chief Operating Officer
$256,321
@ $394.34 · 2024-11-27
STEVENS LISA
Officer
$494,295
@ $387.68 · 2024-11-26
ZEIDEL DARREN
General Counsel
$312,688
@ $329.15 · 2024-08-12
STEVENS LISA
Officer
$131,580
@ $328.95 · 2024-08-12
ZEIDEL DARREN
General Counsel
$2.05M
@ $310.00 · 2024-07-26
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
BAC
5
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

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

🎭 Mr. Market's Mood

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AON
FearGreed
😨Fear(39/100)

"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.
BAC
FearGreed
😐Neutral(47/100)

"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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AON
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 (39)
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: Neutral (47)
View AON Full AnalysisView BAC Full Analysis