Compare StocksUNH vs VLO

UnitedHealth Group Incorporated (UNH) vs Valero Energy Corporation (VLO)

UNH
UnitedHealth Group Incorporated
$280.44
VS
VLO
Valero Energy Corporation
$242.07

Rewards

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.
VLO
  • Share count has been reduced by 20% over the past 4 years through buybacks, increasing each share's claim on earnings.
  • PEG ratio of 0.10 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
  • Altman Z-Score of 4.64 indicates very low bankruptcy risk — the company is firmly in the safe zone.

Risks

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.
VLO
  • ROIC has declined by 24.7 percentage points over the observed period, which may signal competitive erosion.
  • Gross margin of 13.2% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • Each dollar of retained earnings has produced only $0.15 of market value — shareholders may have been better served by dividends.

Key Valuation Metrics

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UNH
VLO
Valuation
$13.86B
Free Cash Flow
$5.03B
5.45%
FCF Yield
6.81%
21.18
Trailing P/E
31.94
14.08
Forward P/E
16.92
Quality & Moat
0.64%
ROIC
14.18%
11.85%
ROE
8.83%
18.53%
Gross Margin
13.19%
N/A
PEG Ratio
0.10
Balance Sheet Safety
0.82
Debt / Equity
0.44
N/A
Interest Coverage
N/A
2.54
Net Debt / EBITDA
0.92
3.15%
Dividend Yield
1.98%
UNH: 6Ties: 1VLO: 4
UNHVLO

Historical Fundamentals

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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.

VLO

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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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
VLO
$0.15
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$9.71B
Δ Market Cap
+$1.46B
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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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
VLO
155.2% Overvalued
Price is 155.2% above estimated fair value
Current Price: $242.07
Fair Value: $94.85
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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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.

VLO

What growth rate is the market pricing in at $242?

+15.1%
Market-Implied Owner Earnings Growth
Standard FCF implies +4.7%

The market implies +15.1% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +4.7%, reflecting heavy growth investment.

Economic Moat Score

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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.
VLO
46/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with reinvestment efficiency 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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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.
VLO
-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.

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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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.
VLO
Insiders 0.6%Institutions 87.8%Retail & Other 11.6%
No. of Institutional Holders2,089
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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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
VLO
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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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
VLO
0
Sells (3M)
1
Sells (12M)
Total value (12M): $1.73M
FRASER JASON W.
Chief Financial Officer
$1.73M
@ $174.02 · 2025-11-21
GREENE KIMBERLY S
Director
$113,850
@ $158.13 · 2024-05-09
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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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.
VLO
FearGreed
😏Greed(68/100)

"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.

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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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)
VLO
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 (68)
View UNH Full AnalysisView VLO Full Analysis
UnitedHealth Group Incorporated (UNH) vs Valero Energy Corporation (VLO) Stock Comparison | SafetyMargin.io