Compare Stocks › PFE vs XYZ
Pfizer Inc. (PFE) vs Block, Inc. (XYZ)
PFE
Pfizer Inc.
$27.41
VS
XYZ
Block, Inc.
$58.99
Rewards
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.
XYZ
- ★Free cash flow has grown at a 681.1% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★Management has timed buybacks well — 2 out of 3 years showed value-accretive repurchases.
- ★Trailing P/E of 28.1x is 98% below the historical average of 1305.4x — potentially undervalued relative to its own history.
Risks
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.
XYZ
- ⚠Each dollar of retained earnings has produced only $0.35 of market value — shareholders may have been better served by dividends.
- ⚠Despite buyback spending, shares outstanding increased in 2 out of 3 years — stock-based compensation is offsetting repurchases.
- ⚠7 insider sales totaling $1.2M with no purchases in the past 3 months — insiders are reducing their exposure.
Key Valuation Metrics
Learn more →PFE
XYZ
Valuation
$13.43B
Free Cash Flow
$-1.03B
8.61%
FCF Yield
-2.89%
20.15
Trailing P/E
28.09
9.69
Forward P/E
12.48
Quality & Moat
7.67%
ROIC
4.89%
8.96%
ROE
5.89%
75.81%
Gross Margin
43.06%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.78
Debt / Equity
0.40
N/A
Interest Coverage
N/A
2.10
Net Debt / EBITDA
0.86
6.28%
Dividend Yield
N/A
PFE: 7Ties: 1XYZ: 2
PFEXYZ
Historical Fundamentals
Learn more →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.
XYZ
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 →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
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
XYZ
$0.35
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$4.21B
Δ Market Cap
+$1.48B
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
> $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 →PFE
140.2% Overvalued
Price is 140.2% above estimated fair value
Current Price: $27.41
Strongly undervalued
Strongly overvalued
Fair Value: $11.41
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
XYZ
61.5% Margin of Safety
Price is 61.5% below estimated fair value
Current Price: $58.99
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $153.29
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →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.
XYZ
Requires positive FCF to compute implied growth rate.
Economic Moat Score
Learn more →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.
XYZ
40/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None
Narrow moat with reinvestment efficiency as the key competitive advantage. Improving roic consistency 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 5 years of fundamental data.
Forensic Accounting
Learn more →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.
XYZ
-2.62
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 →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.
XYZ
Insiders 1.3%Institutions 83.5%Retail & Other 15.2%
No. of Institutional Holders1,435
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 →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
XYZ
0
Buys (3M)
0
Buys (12M)
BOTHA ROELOF FREDERICK
Director
$25.00M
@ $57.55 · 2024-08-06
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 →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
XYZ
7
Sells (3M)
57
Sells (12M)
Total value (12M): $20.18M
JENNINGS OWEN BRITTON
Officer
$225,423
@ $63.41 · 2026-03-03
GRASSADONIA BRIAN
Officer
$517,450
@ $50.00 · 2026-02-24
GRASSADONIA BRIAN
Officer
$202,286
@ $66.96 · 2026-01-06
AHUJA AMRITA
Chief Operating Officer
$70,442
@ $63.98 · 2026-01-02
DALE AJMERE SINGH
Officer
$76,354
@ $65.09 · 2026-01-02
JENNINGS OWEN BRITTON
Officer
$52,592
@ $63.98 · 2026-01-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$21,177
@ $63.98 · 2026-01-02
GRASSADONIA BRIAN
Officer
$897,596
@ $61.71 · 2025-11-24
DALE AJMERE SINGH
Officer
$167,254
@ $61.40 · 2025-11-21
AHUJA AMRITA
Chief Operating Officer
$611,483
@ $61.40 · 2025-11-21
JENNINGS OWEN BRITTON
Officer
$639,604
@ $61.40 · 2025-11-21
WEBER ARNAUD
Officer
$435,633
@ $61.40 · 2025-11-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$221,531
@ $61.40 · 2025-11-21
DALE AJMERE SINGH
Officer
$60,000
@ $80.00 · 2025-10-08
GRASSADONIA BRIAN
Officer
$2.81M
@ $80.00 · 2025-10-08
AHUJA AMRITA
Chief Operating Officer
$198,871
@ $75.70 · 2025-10-03
GRASSADONIA BRIAN
Officer
$229,104
@ $75.84 · 2025-10-03
DALE AJMERE SINGH
Officer
$93,045
@ $73.26 · 2025-10-02
JENNINGS OWEN BRITTON
Officer
$78,508
@ $74.77 · 2025-10-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$30,357
@ $74.77 · 2025-10-02
AHUJA AMRITA
Chief Operating Officer
$493,575
@ $75.00 · 2025-09-16
GRASSADONIA BRIAN
Officer
$744,102
@ $76.24 · 2025-09-02
DALE AJMERE SINGH
Officer
$291,556
@ $74.60 · 2025-08-25
AHUJA AMRITA
Chief Operating Officer
$1.20M
@ $73.90 · 2025-08-22
JENNINGS OWEN BRITTON
Officer
$1.39M
@ $73.50 · 2025-08-22
PRASANNA DHANANJAY
Officer
$417,181
@ $73.72 · 2025-08-21
GRASSADONIA BRIAN
Officer
$473,238
@ $73.20 · 2025-08-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$264,179
@ $73.20 · 2025-08-21
PRASANNA DHANANJAY
Officer
$274,284
@ $76.19 · 2025-08-15
PRASANNA DHANANJAY
Officer
$32,796
@ $81.99 · 2025-08-08
PRASANNA DHANANJAY
Chief Technology Officer
$269,748
@ $74.93 · 2025-08-01
DALE AJMERE SINGH
Officer
$40,000
@ $80.00 · 2025-07-23
PRASANNA DHANANJAY
Officer
$64,000
@ $80.00 · 2025-07-23
AHUJA AMRITA
Chief Operating Officer
$1.29M
@ $78.60 · 2025-07-21
JENNINGS OWEN BRITTON
Officer
$313,850
@ $78.60 · 2025-07-21
PRASANNA DHANANJAY
Officer
$246,568
@ $68.49 · 2025-07-17
DALE AJMERE SINGH
Officer
$25,349
@ $69.26 · 2025-07-02
AHUJA AMRITA
Chief Operating Officer
$93,570
@ $69.26 · 2025-07-02
JENNINGS OWEN BRITTON
Officer
$72,723
@ $69.26 · 2025-07-02
GRASSADONIA BRIAN
Officer
$92,947
@ $69.26 · 2025-07-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$28,120
@ $69.26 · 2025-07-02
PRASANNA DHANANJAY
Officer
$407,048
@ $67.84 · 2025-07-02
PRASANNA DHANANJAY
Officer
$177,828
@ $63.51 · 2025-06-16
JENNINGS OWEN BRITTON
Officer
$142,025
@ $65.00 · 2025-06-06
PRASANNA DHANANJAY
Officer
$169,568
@ $60.56 · 2025-06-02
PRASANNA DHANANJAY
Officer
$695,039
@ $61.41 · 2025-05-27
JENNINGS OWEN BRITTON
Officer
$852,216
@ $56.30 · 2025-05-22
DALE AJMERE SINGH
Officer
$108,720
@ $56.39 · 2025-05-21
AHUJA AMRITA
Chief Operating Officer
$564,013
@ $56.39 · 2025-05-21
GRASSADONIA BRIAN
Officer
$366,197
@ $56.39 · 2025-05-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$169,678
@ $56.39 · 2025-05-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$412,500
@ $55.00 · 2025-05-12
DALE AJMERE SINGH
Officer
$53,874
@ $55.31 · 2025-04-02
AHUJA AMRITA
Chief Operating Officer
$111,031
@ $56.19 · 2025-04-02
JENNINGS OWEN BRITTON
Officer
$70,968
@ $56.19 · 2025-04-02
GRASSADONIA BRIAN
Officer
$105,918
@ $56.19 · 2025-04-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$20,509
@ $56.19 · 2025-04-02
JENNINGS OWEN BRITTON
Officer
$851,111
@ $69.30 · 2025-02-24
GRASSADONIA BRIAN
Officer
$539,083
@ $69.35 · 2025-02-24
DALE AJMERE SINGH
Officer
$103,159
@ $70.32 · 2025-02-21
AHUJA AMRITA
Chief Operating Officer
$446,180
@ $70.32 · 2025-02-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$114,411
@ $70.32 · 2025-02-21
GRASSADONIA BRIAN
Officer
$378,855
@ $89.44 · 2025-01-03
DALE AJMERE SINGH
Officer
$177,252
@ $86.72 · 2025-01-02
AHUJA AMRITA
Chief Operating Officer
$129,953
@ $86.52 · 2025-01-02
JENNINGS OWEN BRITTON
Officer
$253,486
@ $89.38 · 2025-01-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$36,165
@ $86.52 · 2025-01-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$272,175
@ $95.00 · 2024-12-02
AHUJA AMRITA
Chief Operating Officer
$910,434
@ $91.71 · 2024-11-22
GRASSADONIA BRIAN
Officer
$1.06M
@ $91.49 · 2024-11-22
DALE AJMERE SINGH
Officer
$162,837
@ $91.43 · 2024-11-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$179,294
@ $91.43 · 2024-11-21
GRASSADONIA BRIAN
Officer
$28,531
@ $83.67 · 2024-11-18
ESPERANZA CHRISTINEGRACE GANAL
Officer
$61,830
@ $90.00 · 2024-11-18
DALE AJMERE SINGH
Officer
$165,000
@ $82.50 · 2024-11-12
ESPERANZA CHRISTINEGRACE GANAL
Officer
$480,135
@ $82.45 · 2024-11-12
ESPERANZA CHRISTINEGRACE GANAL
Officer
$225,600
@ $75.20 · 2024-11-06
AHUJA AMRITA
Chief Operating Officer
$509,202
@ $65.26 · 2024-10-03
GRASSADONIA BRIAN
Officer
$274,613
@ $64.84 · 2024-10-03
DALE AJMERE SINGH
Officer
$77,259
@ $66.09 · 2024-10-02
ESPERANZA CHRISTINEGRACE GANAL
Officer
$33,752
@ $65.41 · 2024-10-02
AHUJA AMRITA
Chief Operating Officer
$643,257
@ $64.80 · 2024-08-22
GRASSADONIA BRIAN
Officer
$753,132
@ $64.84 · 2024-08-22
DALE AJMERE SINGH
Officer
$90,968
@ $64.70 · 2024-08-21
ESPERANZA CHRISTINEGRACE GANAL
Officer
$126,877
@ $64.70 · 2024-08-21
DALE AJMERE SINGH
Officer
$30,940
@ $61.88 · 2024-08-13
ESPERANZA CHRISTINEGRACE GANAL
Officer
$175,000
@ $70.00 · 2024-07-15
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 →PFE
😏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.
XYZ
😨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
Learn more →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)
XYZ
⚪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)