Compare StocksPFE vs WDAY

Pfizer, Inc. (PFE) vs Workday, Inc. (WDAY): Which Is the Better Buy in 2026?

As of 2026-08-03, PFE is undervalued at $25, with a DCF intrinsic value of $127985960274 and a margin of safety of 100%. WDAY is overvalued at $160, with an intrinsic value of $136 and a margin of safety of -18%. Of the two, PFE has the wider margin of safety.

PFE
Pfizer, Inc.
$25.01
VS
WDAY
Workday, Inc.
$160.34

Rewards

PFE
  • Gross margin of 74.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Trailing P/E of 19.1x is 37% below the historical average of 30.4x — potentially undervalued relative to its own history.
WDAY
  • Gross margin of 75.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Free cash flow has grown at a 29.1% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $5.32 of earning power — management is an exceptional capital allocator.

Risks

PFE
  • ROIC has declined by 15.9 percentage points over the past 4 years, which may signal competitive erosion.
  • PEG ratio of 2.94 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 1.38 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
WDAY
  • FCF yield of 7.9% suggests reasonable valuation assuming continued moderate growth.
  • 9 insider sales totaling $73.9M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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PFE
WDAY
Valuation
$12.38B
Free Cash Flow
$3.12B
N/A
FCF Yield
7.88%
19.09
Trailing P/E
49.95
8.85
Forward P/E
12.68
Quality & Moat
10.19%
ROIC
9.87%
8.31%
ROE
10.86%
74.80%
Gross Margin
75.77%
2.94
PEG Ratio
0.63
Balance Sheet Safety
0.57
Net Debt / Equity
Net cash
N/A
Interest Coverage
N/A
2.03
Net Debt / EBITDA
-0.36
6.88%
Dividend Yield
0.00%
PFE: 4Ties: 3WDAY: 4
PFEWDAY

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.

WDAY

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
$-26.34
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
WDAY
$-12.04
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$2.60B
Δ Market Cap
$-31.29B
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
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $25.01
Fair Value: $127985960274.09
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WDAY
17.8% Overvalued
Price is 17.8% above estimated fair value
Current Price: $160.34
Fair Value: $136.11
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?

-14.2%
Market-Implied Owner Earnings Growth
Standard FCF implies -15.0%

The market implies -14.2% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding -15.0%, reflecting heavy growth investment.

WDAY

What growth rate is the market pricing in at $160?

+18.6%
Market-Implied Owner Earnings Growth
Standard FCF implies +1.3%

The market implies +18.6% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +1.3%, reflecting heavy growth investment.

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.
WDAY
51/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability 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

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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.
WDAY
-2.79
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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PFE
Insiders 0.1%Institutions 69.5%Retail & Other 30.4%
No. of Institutional Holders3,661
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.
WDAY
Insiders 2.1%Institutions 107.8%
No. of Institutional Holders1,422
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
WDAY
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
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
WDAY
9
Sells (3M)
34
Sells (12M)
Total value (12M): $233.47M
GARFIELD MARK S.
Officer
$130,530
@ $142.19 · 2026-07-10
ROWE ZANE C
Chief Financial Officer
$862,203
@ $143.70 · 2026-07-07
KAZMAIER GERRIT S
Officer
$391,785
@ $143.62 · 2026-07-07
ENSLIN ROBERT
President
$724,972
@ $134.90 · 2026-07-02
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$13.12M
@ $122.04 · 2026-06-30
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$12.28M
@ $114.25 · 2026-06-22
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$13.44M
@ $124.99 · 2026-06-17
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$16.08M
@ $149.56 · 2026-06-04
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$16.84M
@ $156.64 · 2026-06-01
GARFIELD MARK S.
Officer
$179,184
@ $113.05 · 2026-04-10
ROWE ZANE C
Chief Financial Officer
$769,314
@ $128.22 · 2026-04-07
KAZMAIER GERRIT S
Officer
$1.20M
@ $128.39 · 2026-04-07
ENSLIN ROBERT
President
$695,339
@ $129.41 · 2026-04-06
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$13.80M
@ $128.35 · 2026-03-26
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$14.25M
@ $132.58 · 2026-03-18
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$15.28M
@ $142.18 · 2026-03-10
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$14.45M
@ $134.40 · 2026-03-02
GARFIELD MARK S.
Officer
$199,711
@ $209.56 · 2026-01-08
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.39M
@ $209.75 · 2026-01-08
SAUER RICHARD HARRY
Officer
$237,300
@ $210.00 · 2026-01-06
ROWE ZANE C
Chief Financial Officer
$1.25M
@ $208.75 · 2026-01-06
KAZMAIER GERRIT S
Officer
$784,626
@ $208.73 · 2026-01-06
ENSLIN ROBERT
President
$4.66M
@ $210.17 · 2026-01-05
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$16.73M
@ $205.29 · 2026-01-02
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.26M
@ $215.04 · 2025-12-23
KAZMAIER GERRIT S
Officer
$1.43M
@ $218.77 · 2025-12-19
MCNAMARA MICHAEL MAX
Director
$1.27M
@ $235.16 · 2025-10-10
GARFIELD MARK S.
Officer
$457,601
@ $238.96 · 2025-10-09
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.74M
@ $236.34 · 2025-10-08
SAUER RICHARD HARRY
Officer
$547,220
@ $235.87 · 2025-10-07
ROWE ZANE C
Chief Financial Officer
$1.40M
@ $232.62 · 2025-10-07
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.09M
@ $235.09 · 2025-10-01
SAUER RICHARD HARRY
Officer
$273,076
@ $235.41 · 2025-09-17
SAUER RICHARD HARRY
Officer
$262,891
@ $226.63 · 2025-09-11
GARFIELD MARK S.
Officer
$105,922
@ $234.86 · 2025-07-10
ROWE ZANE C
Chief Financial Officer
$1.44M
@ $239.59 · 2025-07-08
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.38M
@ $239.61 · 2025-07-08
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.44M
@ $246.84 · 2025-06-02
GARFIELD MARK S.
Officer
$112,595
@ $226.55 · 2025-04-10
DUFFIELD DAVID A.
Beneficial Owner of more than 10% of a Class of Security
$17.55M
@ $250.26 · 2025-03-24
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(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.
WDAY
FearGreed
😨Fear(32/100)

"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

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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 (52)
WDAY
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 (32)
View PFE Full AnalysisView WDAY Full Analysis

Frequently Asked Questions: PFE vs WDAY

Is Pfizer, Inc. or Workday, Inc. more undervalued in 2026?

Based on our discounted cash flow model, PFE trades at a 100.0% margin of safety (intrinsic value $127985960274 vs. price $25), compared to WDAY's -17.8% margin of safety (intrinsic $136 vs. $160).

Which stock has a wider economic moat, Pfizer, Inc. or Workday, Inc.?

WDAY scores 51/100 (Narrow moat), while PFE scores 35/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Pfizer, Inc. in financial distress?

PFE's Altman Z-Score of 1.4 places it in the Distress zone, signaling elevated bankruptcy risk. WDAY scores 3.2 (Safe zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which stock has higher return on invested capital, Pfizer, Inc. or Workday, Inc.?

PFE earns 10.2% ROIC versus WDAY's 9.9%. 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 WDAY: Which Is the Better Buy in 2026? | SafetyMargin.io