Compare StocksDUK vs PFE

Duke Energy Corporation (DUK) vs Pfizer Inc. (PFE)

DUK
Duke Energy Corporation
$129.74
VS
PFE
Pfizer Inc.
$27.41

Rewards

DUK
  • Each dollar of retained earnings has created $4.60 of market value — management is an exceptional capital allocator.
PFE
  • Gross margin of 75.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Dividend yield of 6.28% with a consistent or growing payout over the past 4 years.
  • FCF yield of 8.6% is historically attractive — the business generates significant cash relative to its price.

Risks

DUK
  • Net debt/EBITDA of 5.6x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.
  • Altman Z-Score of 0.67 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • 6 insider sales totaling $5.6M with no purchases in the past 3 months — insiders are reducing their exposure.
PFE
  • ROIC has declined by 13.9 percentage points over the observed period, which may signal competitive erosion.
  • Free cash flow has declined at a 29.6% CAGR over the past 4 years — a concerning trend.

Key Valuation Metrics

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DUK
PFE
Valuation
$-2.00B
Free Cash Flow
$13.43B
-1.98%
FCF Yield
8.61%
20.56
Trailing P/E
20.15
18.13
Forward P/E
9.69
Quality & Moat
4.89%
ROIC
7.67%
9.26%
ROE
8.96%
51.90%
Gross Margin
75.81%
N/A
PEG Ratio
N/A
Balance Sheet Safety
1.72
Debt / Equity
0.78
N/A
Interest Coverage
N/A
5.58
Net Debt / EBITDA
2.10
3.28%
Dividend Yield
6.28%
DUK: 0Ties: 3PFE: 8
DUKPFE

Historical Fundamentals

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DUK

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

PFE

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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DUK
$4.60
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$2.58B
Δ Market Cap
+$11.85B
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
PFE
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-10.61B
Δ Market Cap
$-146.18B
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

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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DUK
913.9% Overvalued
Price is 913.9% above estimated fair value
Current Price: $129.74
Fair Value: $12.80
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
PFE
140.2% Overvalued
Price is 140.2% above estimated fair value
Current Price: $27.41
Fair Value: $11.41
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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DUK

Requires positive FCF to compute implied growth rate.

PFE

What growth rate is the market pricing in at $27?

+11.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +4.3%

The market implies +11.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +4.3%, reflecting heavy growth investment.

Economic Moat Score

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DUK
47/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving reinvestment efficiency 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.
PFE
35/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though reinvestment efficiency 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.

Forensic Accounting

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DUK
-2.76
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.
PFE
-2.53
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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DUK
Insiders 0.1%Institutions 70.3%Retail & Other 29.6%
No. of Institutional Holders2,882
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.
PFE
Insiders 0.1%Institutions 67.7%Retail & Other 32.2%
No. of Institutional Holders3,693
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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DUK
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
PFE
0
Buys (3M)
0
Buys (12M)
BLAYLOCK RONALD E
Director
$499,072
@ $25.65 · 2025-02-13
GOTTLIEB SCOTT
Director
$28,240
@ $28.24 · 2024-10-30
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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DUK
6
Sells (3M)
13
Sells (12M)
Total value (12M): $8.21M
GHARTEY-TAGOE KODWO
Officer
$2.40M
@ $131.57 · 2026-03-02
REPKO REGIS T
Officer
$86,853
@ $131.00 · 2026-03-02
REPKO REGIS T
Officer
$123,001
@ $127.86 · 2026-02-24
SAVOY BRIAN D.
Chief Financial Officer
$1.53M
@ $127.69 · 2026-02-23
REPKO REGIS T
Officer
$556,540
@ $127.18 · 2026-02-20
RENJEL LOUIS E
Officer
$868,156
@ $127.67 · 2026-02-12
GLENN ROBERT ALEXANDER
Officer
$1.02M
@ $123.80 · 2025-11-19
RENJEL LOUIS E
Officer
$100,520
@ $125.65 · 2025-11-18
TITONE BONNIE B.
Officer
$248,764
@ $124.38 · 2025-08-20
WEINTRAUB ALEXANDER J
Officer
$48,656
@ $121.64 · 2025-08-19
GILLESPIE THOMAS PRESTON JR.
Officer
$832,542
@ $124.26 · 2025-08-12
RENJEL LOUIS E
Officer
$198,378
@ $125.56 · 2025-08-07
MCKEE E MARIE
Director
$201,057
@ $124.88 · 2025-08-07
GHARTEY-TAGOE KODWO
Officer
$1.05M
@ $117.10 · 2025-02-28
JANSON JULIA S.
Officer
$1.16M
@ $116.09 · 2025-02-26
RENJEL LOUIS E
Officer
$542,969
@ $111.49 · 2025-02-18
RENJEL LOUIS E
Officer
$44,592
@ $111.48 · 2024-11-15
GLENN ROBERT ALEXANDER
Officer
$1.65M
@ $109.74 · 2024-11-15
JANSON JULIA S.
Officer
$1.13M
@ $112.58 · 2024-08-23
RENJEL LOUIS E
Officer
$61,366
@ $113.64 · 2024-08-08
GOOD LYNN J
Chief Executive Officer
$1.55M
@ $103.30 · 2024-05-15
MCKEE E MARIE
Director
$173,415
@ $102.31 · 2024-05-14
RENJEL LOUIS E
Officer
$123,432
@ $102.86 · 2024-05-09
JANSON JULIA S.
Officer
$1.03M
@ $102.79 · 2024-05-09
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
PFE
0
Sells (3M)
0
Sells (12M)
DAMICO JENNIFER B.
Officer
$64,825
@ $25.93 · 2025-03-04
DAMICO JENNIFER B.
Officer
$147,714
@ $28.66 · 2024-08-13
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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DUK
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.
PFE
FearGreed
😏Greed(64/100)

"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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DUK
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)
PFE
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 (64)
View DUK Full AnalysisView PFE Full Analysis