Compare StocksCSX vs PFE

CSX Corporation (CSX) vs Pfizer Inc. (PFE)

CSX
CSX Corporation
$38.49
VS
PFE
Pfizer Inc.
$27.41

Rewards

CSX
  • CSX Corporation has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
  • Dividend yield of 1.45% with a consistent or growing payout over the past 4 years.
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

CSX
  • Each dollar of retained earnings has produced only $0.47 of market value — shareholders may have been better served by dividends.
  • FCF yield of 2.4% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 25.0x is 34% above the historical average of 18.7x — the stock trades at a premium to its own history.
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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CSX
PFE
Valuation
$1.71B
Free Cash Flow
$13.43B
2.39%
FCF Yield
8.61%
24.99
Trailing P/E
20.15
18.44
Forward P/E
9.69
Quality & Moat
11.15%
ROIC
7.67%
21.95%
ROE
8.96%
45.59%
Gross Margin
75.81%
N/A
PEG Ratio
N/A
Balance Sheet Safety
1.48
Debt / Equity
0.78
N/A
Interest Coverage
N/A
2.93
Net Debt / EBITDA
2.10
1.45%
Dividend Yield
6.28%
CSX: 2Ties: 1PFE: 8
CSXPFE

Historical Fundamentals

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CSX

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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CSX
$0.47
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$7.24B
Δ Market Cap
+$3.41B
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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CSX
8.9% Overvalued
Price is 8.9% above estimated fair value
Current Price: $38.49
Fair Value: $35.36
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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CSX

What growth rate is the market pricing in at $38?

+13.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +20.9%

The market implies +13.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +20.9%, reflecting heavy growth investment.

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

Narrow moat with roic consistency 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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CSX
-2.69
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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CSX
Insiders 0.3%Institutions 80.9%Retail & Other 18.8%
No. of Institutional Holders2,311
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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CSX
1
Buys (3M)
2
Buys (12M)
Total value (12M): $3.03M
ANGEL STEPHEN F
Chief Executive Officer
$1.01M
@ $40.27 · 2026-03-06
ANGEL STEPHEN F
Chief Executive Officer
$2.03M
@ $36.87 · 2025-10-20
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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CSX
3
Sells (3M)
5
Sells (12M)
Total value (12M): $9.47M
SORFLEET DIANA B
Officer
$3.74M
@ $41.56 · 2026-02-19
FORTUNE STEPHEN
Chief Technology Officer
$1.22M
@ $38.65 · 2026-02-03
SORFLEET DIANA B
Officer
$2.50M
@ $37.48 · 2026-01-28
BOONE KEVIN S
Officer
$1.12M
@ $36.09 · 2025-10-22
BURNS MICHAEL S.
Officer
$891,393
@ $36.76 · 2025-10-20
FORTUNE STEPHEN
Officer
$47,115
@ $31.41 · 2025-03-04
GOLDMAN NATHAN DOUGLAS
Officer
$4.20M
@ $35.39 · 2024-11-18
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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CSX
FearGreed
😐Neutral(52/100)

"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.
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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CSX
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 (52)
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 CSX Full AnalysisView PFE Full Analysis
CSX Corporation (CSX) vs Pfizer Inc. (PFE) Stock Comparison | SafetyMargin.io