Compare StocksSO vs UNH

The Southern Company (SO) vs UnitedHealth Group Incorporated (UNH)

SO
The Southern Company
$96.71
VS
UNH
UnitedHealth Group Incorporated
$368.78

Rewards

SO
  • Each dollar of retained earnings has created $2.41 of earning power — management is an exceptional capital allocator.
UNH
  • Dividend yield of 2.40% with a consistent or growing payout over the past 4 years.

Risks

SO
  • The Southern Company scores only 26/100 on the Economic Moat Score, suggesting limited durable competitive advantages.
  • PEG ratio of 2.75 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Net debt/EBITDA of 5.4x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.
UNH
  • ROIC has declined by 7.9 percentage points over the observed period, which may signal competitive erosion.
  • Gross margin of 18.8% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • FCF yield of 5.3% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

Learn more →
SO
UNH
Valuation
$-3.95B
Free Cash Flow
$17.69B
-3.62%
FCF Yield
5.28%
24.73
Trailing P/E
27.85
19.66
Forward P/E
17.77
Quality & Moat
5.31%
ROIC
15.60%
10.88%
ROE
11.45%
48.00%
Gross Margin
18.80%
2.75
PEG Ratio
39.79
Balance Sheet Safety
1.90
Debt / Equity
0.74
N/A
Interest Coverage
N/A
5.37
Net Debt / EBITDA
2.18
3.14%
Dividend Yield
2.40%
SO: 4Ties: 1UNH: 7
SOUNH

Historical Fundamentals

Learn more →
SO

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

Learn more →
SO
$5.15
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$3.71B
Δ Market Cap
+$19.12B
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

Learn more →
SO
487.9% Overvalued
Price is 487.9% above estimated fair value
Current Price: $96.71
Fair Value: $16.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
UNH
9.6% Overvalued
Price is 9.6% above estimated fair value
Current Price: $368.78
Fair Value: $336.33
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

Learn more →
SO

Requires positive FCF to compute implied growth rate.

UNH

What growth rate is the market pricing in at $369?

+13.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +8.7%

The market implies +13.9% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +8.7%, reflecting heavy growth investment.

Economic Moat Score

Learn more →
SO
26/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though margin stability 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 5 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

Learn more →
SO
-2.65
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

Learn more →
SO
Insiders 0.1%Institutions 72.0%Retail & Other 27.9%
No. of Institutional Holders2,771
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 84.7%Retail & Other 14.5%
No. of Institutional Holders4,077
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 →
SO
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
UNH
0
Buys (3M)
5
Buys (12M)
Total value (12M): $31.61M
HEMSLEY STEPHEN J
Chief Executive Officer
$25.02M
@ $288.57 · 2025-05-16
REX JOHN F
President
$5.00M
@ $291.12 · 2025-05-16
GIL KRISTEN
Director
$1.00M
@ $271.17 · 2025-05-15
NOSEWORTHY JOHN H
Director
$93,647
@ $312.16 · 2025-05-14
FLYNN TIMOTHY PATRICK
Director
$491,786
@ $320.80 · 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

Learn more →
SO
4
Sells (3M)
8
Sells (12M)
Total value (12M): $7.93M
GREENE KIMBERLY S
Officer
$2.42M
@ $96.67 · 2026-03-30
CUMMISKEY CHRISTOPHER
Officer
$643,892
@ $96.55 · 2026-03-19
CONNALLY STANLEY W JR
Chief Operating Officer
$1.21M
@ $97.13 · 2026-03-18
KIM MATTHEW M.
Officer
$487,453
@ $95.15 · 2026-02-24
ANDERSON BRYAN D
Officer
$582,309
@ $93.83 · 2025-09-30
SPAINHOUR STERLING A. JR.
Officer
$226,148
@ $95.02 · 2025-08-11
GREENE KIMBERLY S
Officer
$1.25M
@ $95.00 · 2025-07-21
CUMMISKEY CHRISTOPHER
Officer
$1.10M
@ $89.54 · 2025-05-23
CONNALLY STANLEY W JR
Chief Operating Officer
$1.15M
@ $92.24 · 2025-03-31
GREENE KIMBERLY S
Chief Executive Officer
$3.00M
@ $93.12 · 2025-03-10
DAVIS MARTIN BERNARD
Chief Technology Officer
$100,811
@ $89.61 · 2025-03-03
WOMACK CHRISTOPHER C.
Chief Executive Officer
$2.20M
@ $90.13 · 2025-03-03
WOMACK CHRISTOPHER C.
Chief Executive Officer
$143,370
@ $90.00 · 2025-02-25
CUMMISKEY CHRISTOPHER
Officer
$81,184
@ $86.00 · 2025-02-19
PEOPLES JAMES JEFFREY
Chief Executive Officer
$1.25M
@ $86.00 · 2025-02-11
CUMMISKEY CHRISTOPHER
Officer
$69,739
@ $83.32 · 2025-02-04
DAVIS MARTIN BERNARD
Chief Technology Officer
$100,503
@ $85.90 · 2024-12-05
WOMACK CHRISTOPHER C.
Chief Executive Officer
$1.21M
@ $86.18 · 2024-12-05
SPAINHOUR STERLING A. JR.
Officer
$70,212
@ $88.54 · 2024-11-04
KERR JAMES Y. II
Chief Executive Officer
$2.69M
@ $89.64 · 2024-10-04
ANDERSON BRYAN D
Officer
$587,830
@ $89.54 · 2024-09-06
SPAINHOUR STERLING A. JR.
Officer
$211,796
@ $88.99 · 2024-08-05
WILSON ANTHONY L
Officer
$535,509
@ $77.61 · 2024-07-05
DRAKE SLOANE N
Officer
$931,320
@ $77.61 · 2024-07-03
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
UNH
1
Sells (3M)
2
Sells (12M)
Total value (12M): $463,645
CONWAY PATRICK HUGH M.D.
Officer
$284,000
@ $355.00 · 2026-04-23
CONWAY PATRICK HUGH M.D.
Chief Executive Officer
$179,645
@ $305.00 · 2025-06-10
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 →
SO
FearGreed
😏Greed(63/100)

"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.
UNH
FearGreed
😏Greed(65/100)

"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

Learn more →
SO
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 (63)
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: Greed (65)
View SO Full AnalysisView UNH Full Analysis
SO vs UNH: Which Is the Better Buy? | SafetyMargin.io