Compare StocksPFE vs WBD

Pfizer Inc. (PFE) vs Warner Bros. Discovery, Inc. (WBD): Which Is the Better Buy in 2026?

As of 2026-06-19, PFE is overvalued at $25, with a DCF intrinsic value of $22 and a margin of safety of -12%. WBD is undervalued at $26, with an intrinsic value of $504 and a margin of safety of 95%. Of the two, WBD has the wider margin of safety.

PFE
Pfizer Inc.
$25.21
VS
WBD
Warner Bros. Discovery, Inc.
$26.20

Rewards

PFE
  • Gross margin of 74.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • FCF yield of 8.6% is historically attractive — the business generates significant cash relative to its price.
  • Trailing P/E of 19.2x is 37% below the historical average of 30.4x — potentially undervalued relative to its own history.
WBD
  • FCF yield of 28.1% is historically attractive — the business generates significant cash relative to its price.

Risks

PFE
  • ROIC has declined by 15.9 percentage points over the past 4 years, which may signal competitive erosion.
  • PEG ratio of 13.77 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Free cash flow has declined at a 29.6% CAGR over the past 4 years — a concerning trend.
WBD
  • PEG ratio of 216.92 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Altman Z-Score of 0.94 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.

Key Valuation Metrics

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PFE
WBD
Valuation
$12.38B
Free Cash Flow
$18.47B
8.61%
FCF Yield
28.11%
19.24
Trailing P/E
N/A
8.91
Forward P/E
-3603.85
Quality & Moat
10.19%
ROIC
3.82%
8.31%
ROE
-4.96%
74.80%
Gross Margin
45.75%
13.77
PEG Ratio
216.92
Balance Sheet Safety
0.57
Net Debt / Equity
0.87
N/A
Interest Coverage
N/A
2.03
Net Debt / EBITDA
3.85
6.61%
Dividend Yield
0.00%
PFE: 7Ties: 1WBD: 3
PFEWBD

Historical Fundamentals

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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. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

WBD

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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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
WBD
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-13.71B
Δ Market Cap
+$48.44B
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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PFE
12.3% Overvalued
Price is 12.3% above estimated fair value
Current Price: $25.21
Fair Value: $22.46
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WBD
94.8% Margin of Safety
Price is 94.8% below estimated fair value
Current Price: $26.20
Fair Value: $504.44
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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PFE

What growth rate is the market pricing in at $25?

+5.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +4.5%

The market implies +5.2% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +4.5%, reflecting heavy growth investment.

WBD

What growth rate is the market pricing in at $26?

-10.4%
Market-Implied Owner Earnings Growth
Standard FCF implies -11.7%

The market implies -10.4% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -11.7%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

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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.
WBD
33/100
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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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.
WBD

Insufficient data for Beneish M-Score calculation (requires 2+ years).

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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PFE
Insiders 0.1%Institutions 69.4%Retail & Other 30.5%
No. of Institutional Holders3,744
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.
WBD
Insiders 4.2%Institutions 75.9%Retail & Other 19.9%
No. of Institutional Holders1,736
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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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
WBD
0
Buys (3M)
1
Buys (12M)
Total value (12M): $3.55M
LEVY ANTON J
Director
$3.55M
@ $10.92 · 2025-08-12
DI PIAZZA SAMUEL A. JR.
Director
$197,918
@ $11.41 · 2025-03-03
ZEILER GERHARD
Officer
$535,920
@ $9.24 · 2024-11-11
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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PFE
1
Sells (3M)
1
Sells (12M)
Total value (12M): $51,400
DAMICO JENNIFER B.
Officer
$51,400
@ $25.70 · 2026-06-09
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
WBD
0
Sells (3M)
19
Sells (12M)
Total value (12M): $237.39M
MERCHANT FAZAL F
Director
$961,800
@ $27.48 · 2026-03-16
PERRETTE JEAN-BRIAC
Officer
$18.07M
@ $27.42 · 2026-03-16
GOULD PAUL A
Director
$16.41M
@ $27.35 · 2026-03-16
AIYAR PRIYA
Officer
$2.75M
@ $27.85 · 2026-03-10
CAMPBELL BRUCE L
Officer
$1.16M
@ $27.82 · 2026-03-09
ZEILER GERHARD
Officer
$16.81M
@ $28.02 · 2026-03-04
WIEDENFELS GUNNAR
Chief Financial Officer
$27.95M
@ $28.17 · 2026-03-04
AIYAR PRIYA
Officer
$6.31M
@ $28.24 · 2026-03-03
GIRDWOOD AMY
Officer
$2.12M
@ $28.25 · 2026-03-03
ZASLAV DAVID M
Chief Executive Officer
$113.16M
@ $28.26 · 2026-03-03
FISHER RICHARD W.
Director
$462,727
@ $28.31 · 2026-03-03
LOCKE LORI C
Officer
$394,558
@ $27.94 · 2025-12-10
WIEDENFELS GUNNAR
Chief Financial Officer
$7.17M
@ $29.50 · 2025-12-10
LOCKE LORI C
Officer
$247,800
@ $24.78 · 2025-12-05
LOCKE LORI C
Officer
$360,850
@ $24.06 · 2025-12-03
LOCKE LORI C
Officer
$235,400
@ $23.54 · 2025-11-28
WIEDENFELS GUNNAR
Chief Financial Officer
$5.00M
@ $22.50 · 2025-10-31
WIEDENFELS GUNNAR
Chief Financial Officer
$10.35M
@ $19.50 · 2025-09-15
CAMPBELL BRUCE L
Officer
$7.47M
@ $17.00 · 2025-09-12
ZASLAV DAVID M
Chief Executive Officer
$30.08M
@ $11.73 · 2024-12-16
SIMS SAVALLE C
Officer
$2.09M
@ $12.36 · 2024-12-13
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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PFE
FearGreed
😐Neutral(49/100)

"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.
WBD
FearGreed
😐Neutral(57/100)

"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.

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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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: Neutral (49)
WBD
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 (57)
View PFE Full AnalysisView WBD Full Analysis

Frequently Asked Questions: PFE vs WBD

Is Pfizer Inc. or Warner Bros. Discovery, Inc. more undervalued in 2026?

Based on our discounted cash flow model, WBD trades at a 94.8% margin of safety (intrinsic value $504 vs. price $26), compared to PFE's -12.3% margin of safety (intrinsic $22 vs. $25).

Which stock has a wider economic moat, Pfizer Inc. or Warner Bros. Discovery, Inc.?

PFE scores 35/100 (None moat), while WBD scores 33/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Warner Bros. Discovery, Inc. in financial distress?

WBD's Altman Z-Score of 0.9 places it in the Distress zone, signaling elevated bankruptcy risk. PFE scores 2.1 (Grey zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which company has better free cash flow, Pfizer Inc. or Warner Bros. Discovery, Inc.?

Warner Bros. Discovery, Inc. (WBD) generates a 28.1% free cash flow yield, compared to Pfizer Inc.'s 8.6%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

Which stock has higher return on invested capital, Pfizer Inc. or Warner Bros. Discovery, Inc.?

PFE earns 10.2% ROIC versus WBD's 3.8%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

PFE vs WBD: Which Is the Better Buy in 2026? | SafetyMargin.io