Compare StocksACGL vs MSFT

Arch Capital Group Ltd. (ACGL) vs Microsoft Corporation (MSFT)

ACGL
Arch Capital Group Ltd.
$93.82
VS
MSFT
Microsoft Corporation
$414.19

Rewards

ACGL
  • Arch Capital Group Ltd. scores 78/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
  • Free cash flow has grown at a 17.6% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $2.91 of earning power — management is an exceptional capital allocator.
MSFT
  • Microsoft Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Gross margin of 68.3% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Microsoft Corporation scores 88/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.

Risks

ACGL
  • Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
  • Altman Z-Score of 1.10 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • Insiders have sold $7.2M worth of stock in the past 3 months — significant insider liquidation.
MSFT
  • FCF yield of 2.3% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.

Key Valuation Metrics

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ACGL
MSFT
Valuation
$6.26B
Free Cash Flow
$71.61B
18.89%
FCF Yield
2.33%
7.22
Trailing P/E
24.68
9.36
Forward P/E
21.46
Quality & Moat
14.67%
ROIC
21.58%
18.02%
ROE
24.58%
39.37%
Gross Margin
68.31%
0.08
PEG Ratio
1.05
Balance Sheet Safety
0.11
Debt / Equity
0.30
N/A
Interest Coverage
N/A
-0.15
Net Debt / EBITDA
0.26
N/A
Dividend Yield
0.88%
ACGL: 6Ties: 1MSFT: 4
ACGLMSFT

Historical Fundamentals

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ACGL

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

MSFT

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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ACGL
$1.00
created per $1 retained over 3 years
Value Creator
Σ Retained
$11.16B
Δ Market Cap
+$11.18B
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
MSFT
$9.18
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$196.68B
Δ Market Cap
+$1.81T
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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ACGL
65.1% Margin of Safety
Price is 65.1% below estimated fair value
Current Price: $93.82
Fair Value: $268.67
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
MSFT
3.0% Overvalued
Price is 3.0% above estimated fair value
Current Price: $414.19
Fair Value: $402.01
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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ACGL

What growth rate is the market pricing in at $94?

-6.3%
Market-Implied Owner Earnings Growth
Standard FCF implies -11.7%

The market implies -6.3% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -11.7%, reflecting heavy growth investment expected to generate future returns.

MSFT

What growth rate is the market pricing in at $414?

+13.5%
Market-Implied Owner Earnings Growth
Standard FCF implies +18.3%

The market implies +13.5% Owner Earnings growth, roughly in line with history — reasonably priced.

Standard FCF implies +18.3%, reflecting ongoing growth investment.

Economic Moat Score

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ACGL
78/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by reinvestment efficiency. Margin Stability 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.
MSFT
88/100
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.

Forensic Accounting

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ACGL
-2.46
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.
MSFT
-2.51
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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ACGL
Insiders 2.6%Institutions 95.4%Retail & Other 2.0%
No. of Institutional Holders1,309
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.
MSFT
Insiders 0.1%Institutions 75.9%Retail & Other 24.0%
No. of Institutional Holders8,016
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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ACGL
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
MSFT
1
Buys (3M)
1
Buys (12M)
Total value (12M): $1.99M
STANTON JOHN W.
Director
$1.99M
@ $397.35 · 2026-02-18
SMITH BRADFORD LEE
President
$1.45M
@ $377.47 · 2025-04-23
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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ACGL
3
Sells (3M)
7
Sells (12M)
Total value (12M): $11.71M
PAPADOPOULO NICOLAS
Chief Executive Officer
$2.11M
@ $96.31 · 2026-03-10
GANSBERG DAVID E
President
$569,266
@ $96.37 · 2026-03-10
RAJEH MAAMOUN
Officer
$4.56M
@ $96.12 · 2026-02-11
MORIN FRANCOIS
Chief Financial Officer
$756,996
@ $94.62 · 2025-11-28
RAJEH MAAMOUN
President
$941,464
@ $94.15 · 2025-08-22
MORIN FRANCOIS
Chief Financial Officer
$1.19M
@ $94.58 · 2025-05-16
PETRILLO LOUIS T
Officer
$1.57M
@ $94.53 · 2025-05-09
PAPADOPOULO NICOLAS
Chief Executive Officer
$706,177
@ $92.48 · 2025-05-02
PETRILLO LOUIS T
Officer of Subsidiary Company
$1.93M
@ $91.78 · 2025-03-05
MORIN FRANCOIS
Chief Financial Officer
$1.17M
@ $102.46 · 2024-08-16
GANSBERG DAVID E
Officer
$966,444
@ $96.64 · 2024-05-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
MSFT
1
Sells (3M)
13
Sells (12M)
Total value (12M): $172.43M
HOGAN KATHLEEN T
Officer
$5.05M
@ $409.55 · 2026-03-06
NUMOTO TAKESHI
Officer
$1.36M
@ $478.72 · 2025-12-04
ALTHOFF JUDSON
Officer
$6.27M
@ $491.52 · 2025-12-02
SMITH BRADFORD LEE
President
$19.97M
@ $518.64 · 2025-11-03
NADELLA SATYA
Chief Executive Officer
$75.32M
@ $504.78 · 2025-09-03
NUMOTO TAKESHI
Officer
$2.56M
@ $527.32 · 2025-08-12
NUMOTO TAKESHI
Officer
$1.39M
@ $463.00 · 2025-06-03
NUMOTO TAKESHI
Officer
$460,008
@ $460.01 · 2025-05-30
HOGAN KATHLEEN T
Officer
$9.76M
@ $453.77 · 2025-05-21
ALTHOFF JUDSON
Officer
$7.33M
@ $458.18 · 2025-05-19
COLEMAN AMY
Officer
$5.99M
@ $452.04 · 2025-05-15
SMITH BRADFORD LEE
President
$1.68M
@ $438.44 · 2025-05-05
SMITH BRADFORD LEE
President
$35.30M
@ $435.84 · 2025-05-05
NUMOTO TAKESHI
Officer
$1.12M
@ $447.41 · 2024-12-09
NUMOTO TAKESHI
Officer
$874,634
@ $437.32 · 2024-12-04
NUMOTO TAKESHI
Officer
$1.50M
@ $428.76 · 2024-12-02
ALTHOFF JUDSON
Officer
$10.43M
@ $417.00 · 2024-11-22
NUMOTO TAKESHI
Officer
$414,720
@ $414.72 · 2024-11-22
YOUNG CHRISTOPHER DAVID
Officer
$3.05M
@ $423.66 · 2024-11-12
HOGAN KATHLEEN T
Officer
$7.16M
@ $411.86 · 2024-09-10
NUMOTO TAKESHI
Officer
$1.03M
@ $411.04 · 2024-09-10
SMITH BRADFORD LEE
President
$16.10M
@ $402.59 · 2024-09-09
HOOD AMY E
Chief Financial Officer
$15.60M
@ $410.55 · 2024-09-05
NADELLA SATYA
Chief Executive Officer
$32.02M
@ $408.63 · 2024-09-04
NUMOTO TAKESHI
Officer
$235,535
@ $416.14 · 2024-06-03
ALTHOFF JUDSON
Officer
$10.64M
@ $425.68 · 2024-05-23
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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ACGL
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.
MSFT
FearGreed
😐Neutral(48/100)

"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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ACGL
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)
MSFT
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 (48)
View ACGL Full AnalysisView MSFT Full Analysis
ACGL vs MSFT: Which Is the Better Buy? | SafetyMargin.io