Compare StocksPAYX vs UNH

Paychex, Inc. (PAYX) vs UnitedHealth Group Incorporated (UNH)

PAYX
Paychex, Inc.
$91.71
VS
UNH
UnitedHealth Group Incorporated
$280.44

Rewards

PAYX
  • Paychex, Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Gross margin of 73.4% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Paychex, Inc. scores 94/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.
UNH
  • 5 insider purchases over the past 12 months with a buy/sell ratio above 3:1 — a sustained pattern of insider confidence.
  • Dividend yield of 3.15% with a consistent or growing payout over the past 4 years.

Risks

PAYX
  • FCF yield of 6.2% suggests reasonable valuation assuming continued moderate growth.
UNH
  • ROIC has declined by 7.9 percentage points over the observed period, which may signal competitive erosion.
  • Gross margin of 18.5% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • FCF yield of 5.4% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

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PAYX
UNH
Valuation
$2.06B
Free Cash Flow
$13.86B
6.25%
FCF Yield
5.45%
20.75
Trailing P/E
21.18
15.52
Forward P/E
14.08
Quality & Moat
22.27%
ROIC
0.64%
42.71%
ROE
11.85%
73.36%
Gross Margin
18.53%
N/A
PEG Ratio
N/A
Balance Sheet Safety
1.30
Debt / Equity
0.82
N/A
Interest Coverage
N/A
1.23
Net Debt / EBITDA
2.54
4.71%
Dividend Yield
3.15%
PAYX: 6Ties: 2UNH: 3
PAYXUNH

Historical Fundamentals

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PAYX

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

UNH

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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PAYX
$-1.19
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$966.2M
Δ Market Cap
$-1.15B
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
UNH
$-7.37
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$26.63B
Δ Market Cap
$-196.16B
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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PAYX
3.1% Overvalued
Price is 3.1% above estimated fair value
Current Price: $91.71
Fair Value: $88.99
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
UNH
4.9% Margin of Safety
Price is 4.9% below estimated fair value
Current Price: $280.44
Fair Value: $294.90
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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PAYX

What growth rate is the market pricing in at $92?

+9.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +6.1%

The market implies +9.0% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +6.1%, reflecting heavy growth investment.

UNH

What growth rate is the market pricing in at $280?

+11.1%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.2%

The market implies +11.1% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +9.2%, reflecting heavy growth investment.

Economic Moat Score

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PAYX
94/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Margin Stability 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.
UNH
64/100
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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PAYX
-2.93
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.
UNH
-2.45
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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PAYX
Insiders 10.4%Institutions 84.6%Retail & Other 5.1%
No. of Institutional Holders2,063
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.
UNH
Insiders 0.8%Institutions 84.2%Retail & Other 14.9%
No. of Institutional Holders4,244
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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PAYX
2
Buys (3M)
2
Buys (12M)
Total value (12M): $197,258
DOODY JOSEPH G
Director
$98,760
@ $98.76 · 2026-02-04
BONADIO THOMAS F
Director
$98,498
@ $98.50 · 2026-02-04
Open market purchases · includes direct & indirect ownership · excludes option exercises
UNH
0
Buys (3M)
5
Buys (12M)
Total value (12M): $31.61M
REX JOHN F
President
$5.00M
@ $291.12 · 2025-05-16
HEMSLEY STEPHEN J
Chief Executive Officer
$25.02M
@ $288.57 · 2025-05-16
GIL KRISTEN
Director
$1.00M
@ $271.17 · 2025-05-15
FLYNN TIMOTHY PATRICK
Director
$491,786
@ $320.80 · 2025-05-14
NOSEWORTHY JOHN H
Director
$93,647
@ $312.16 · 2025-05-14
FLYNN TIMOTHY PATRICK
Director
$511,575
@ $511.57 · 2025-01-17
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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PAYX
0
Sells (3M)
6
Sells (12M)
Total value (12M): $22.06M
SCHRADER ROBERT L.
Chief Financial Officer
$444,391
@ $140.63 · 2025-07-16
SIMMONS CHRISTOPHER C
Officer and Treasurer
$259,826
@ $140.98 · 2025-07-16
GIBSON JOHN B JR
Chief Executive Officer
$1.76M
@ $141.92 · 2025-07-16
MUCCI MARTIN
Chairman of the Board
$14.16M
@ $145.17 · 2025-07-10
VELLI JOSEPH M
Director
$544,762
@ $149.25 · 2025-04-15
GIOJA MICHAEL E
Officer
$4.89M
@ $154.59 · 2025-04-03
BOTTINI MARK ANTHONY
Officer
$6.65M
@ $141.87 · 2024-10-16
SCHRADER ROBERT L.
Chief Financial Officer
$1.85M
@ $142.35 · 2024-10-15
GIOJA MICHAEL E
Officer
$3.67M
@ $139.03 · 2024-10-09
GIOJA MICHAEL E
Officer
$2.05M
@ $139.18 · 2024-10-04
DOODY JOSEPH G
Director
$1.13M
@ $130.69 · 2024-08-26
SIMMONS CHRISTOPHER C
Officer and Treasurer
$293,797
@ $125.34 · 2024-08-16
FLASCHEN DAVID J S
Director
$1.81M
@ $125.21 · 2024-08-05
FLASCHEN DAVID J S
Director
$1.21M
@ $125.60 · 2024-07-26
BOTTINI MARK ANTHONY
Officer
$1.11M
@ $123.60 · 2024-07-24
GIBSON JOHN B JR
Chief Executive Officer
$1.51M
@ $119.53 · 2024-07-15
MUCCI MARTIN
Chairman of the Board
$21.93M
@ $117.04 · 2024-07-02
FLASCHEN DAVID J S
Director
$2.45M
@ $124.55 · 2024-05-24
VELLI JOSEPH M
Director
$1.35M
@ $124.28 · 2024-05-17
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
UNH
0
Sells (3M)
1
Sells (12M)
Total value (12M): $179,645
CONWAY PATRICK HUGH M.D.
Chief Executive Officer
$179,645
@ $305.00 · 2025-06-10
MCSWEENEY ERIN L
Officer
$438,987
@ $626.23 · 2024-11-11
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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PAYX
FearGreed
😨Fear(32/100)

"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.
UNH
FearGreed
😨Fear(37/100)

"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.

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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PAYX
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 (32)
UNH
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 (37)
View PAYX Full AnalysisView UNH Full Analysis
Paychex, Inc. (PAYX) vs UnitedHealth Group Incorporated (UNH) Stock Comparison | SafetyMargin.io