Compare StocksAMD vs WST

Advanced Micro Devices, Inc. (AMD) vs West Pharmaceutical Services, Inc. (WST)

AMD
Advanced Micro Devices, Inc.
$205.27
VS
WST
West Pharmaceutical Services, Inc.
$240.33

Rewards

AMD
  • Free cash flow has grown at a 29.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $35.82 of market value — management is an exceptional capital allocator.
  • Trailing P/E of 78.6x is 43% below the historical average of 138.5x — potentially undervalued relative to its own history.
WST
  • West Pharmaceutical Services, Inc. has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • Each dollar of retained earnings has created $1.70 of market value — management is creating shareholder value.
  • Altman Z-Score of 13.89 indicates very low bankruptcy risk — the company is firmly in the safe zone.

Risks

AMD
  • Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
  • FCF yield of 2.0% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • 8 insider sales totaling $54.7M with no purchases in the past 3 months — insiders are reducing their exposure.
WST
  • FCF yield of 2.7% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • PEG ratio of 16.83 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.

Key Valuation Metrics

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AMD
WST
Valuation
$6.74B
Free Cash Flow
$468.90M
2.01%
FCF Yield
2.71%
78.65
Trailing P/E
35.34
19.10
Forward P/E
27.17
Quality & Moat
6.97%
ROIC
15.01%
6.88%
ROE
15.55%
52.49%
Gross Margin
35.91%
0.36
PEG Ratio
16.83
Balance Sheet Safety
0.06
Debt / Equity
0.10
N/A
Interest Coverage
N/A
-0.97
Net Debt / EBITDA
-0.57
N/A
Dividend Yield
0.37%
AMD: 6Ties: 1WST: 4
AMDWST

Historical Fundamentals

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AMD

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

WST

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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AMD
$35.82
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$6.83B
Δ Market Cap
+$244.67B
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
WST
$1.70
created per $1 retained over 3 years
Value Creator
Σ Retained
$1.40B
Δ Market Cap
+$2.38B
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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AMD
4.0% Overvalued
Price is 4.0% above estimated fair value
Current Price: $205.27
Fair Value: $197.32
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WST
35.1% Overvalued
Price is 35.1% above estimated fair value
Current Price: $240.33
Fair Value: $177.86
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AMD

What growth rate is the market pricing in at $205?

+26.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +19.8%

The market implies +26.0% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +19.8%, reflecting heavy growth investment expected to generate future returns.

WST

What growth rate is the market pricing in at $240?

+15.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +15.7%

The market implies +15.0% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +15.7%, reflecting heavy growth investment.

Economic Moat Score

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AMD
41/100
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 4 years of fundamental data.
WST
68/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability 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.

Forensic Accounting

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AMD
-2.84
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.
WST
-2.77
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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AMD
Insiders 0.4%Institutions 72.3%Retail & Other 27.3%
No. of Institutional Holders4,072
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.
WST
Insiders 0.6%Institutions 97.6%Retail & Other 1.8%
No. of Institutional Holders1,146
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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AMD
0
Buys (3M)
1
Buys (12M)
Total value (12M): $999,328
GUIDO PHILIP
Officer
$999,328
@ $113.56 · 2025-05-20
GUIDO PHILIP
Officer
$499,616
@ $107.56 · 2025-02-07
Open market purchases · includes direct & indirect ownership · excludes option exercises
WST
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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AMD
8
Sells (3M)
26
Sells (12M)
Total value (12M): $155.80M
SU LISA T
Chief Executive Officer
$16.90M
@ $198.77 · 2026-03-12
GRASBY PAUL DARREN
Officer
$1.54M
@ $204.87 · 2026-03-11
PAPERMASTER MARK D
Chief Technology Officer
$606,800
@ $200.00 · 2026-03-04
HAHN AVA M
General Counsel
$56,814
@ $198.65 · 2026-02-18
HU JEAN X
Chief Financial Officer
$4.02M
@ $201.62 · 2026-02-17
SU LISA T
Chief Executive Officer
$26.79M
@ $214.36 · 2026-02-11
NORROD FORREST EUGENE
Officer
$4.22M
@ $216.81 · 2026-02-11
HAHN AVA M
General Counsel
$572,454
@ $234.42 · 2026-01-16
SU LISA T
Chief Executive Officer
$26.89M
@ $215.14 · 2025-12-11
GRASBY PAUL DARREN
Officer
$2.19M
@ $218.77 · 2025-12-04
HU JEAN X
Chief Financial Officer
$3.05M
@ $209.96 · 2025-11-24
NORROD FORREST EUGENE
Officer
$4.46M
@ $229.37 · 2025-11-19
PAPERMASTER MARK D
Chief Technology Officer
$4.11M
@ $240.12 · 2025-11-14
PAPERMASTER MARK D
Chief Technology Officer
$3.77M
@ $224.28 · 2025-10-15
HAHN AVA M
General Counsel
$648,197
@ $226.01 · 2025-10-06
NORROD FORREST EUGENE
Officer
$371,272
@ $165.01 · 2025-09-24
PAPERMASTER MARK D
Chief Technology Officer
$2.67M
@ $159.20 · 2025-09-15
NORROD FORREST EUGENE
Officer
$2.77M
@ $160.93 · 2025-09-10
HAHN AVA M
General Counsel
$22,608
@ $158.10 · 2025-09-02
SU LISA T
Chief Executive Officer
$36.89M
@ $163.97 · 2025-08-21
PAPERMASTER MARK D
Chief Technology Officer
$2.99M
@ $178.11 · 2025-08-15
GRASBY PAUL DARREN
Officer
$1.73M
@ $173.21 · 2025-08-12
PAPERMASTER MARK D
Chief Technology Officer
$2.79M
@ $155.03 · 2025-07-15
PAPERMASTER MARK D
Chief Technology Officer
$2.03M
@ $116.00 · 2025-06-13
PAPERMASTER MARK D
Chief Technology Officer
$2.04M
@ $116.59 · 2025-05-15
PAPERMASTER MARK D
Chief Technology Officer
$1.67M
@ $95.47 · 2025-04-15
PAPERMASTER MARK D
Chief Technology Officer
$1.75M
@ $100.27 · 2025-03-14
PAPERMASTER MARK D
Chief Technology Officer
$1.99M
@ $113.57 · 2025-02-14
SU LISA T
Chief Executive Officer
$10.91M
@ $142.66 · 2024-12-04
SU LISA T
Chief Executive Officer
$10.91M
@ $142.66 · 2024-12-04
SU LISA T
Chief Executive Officer
$11.51M
@ $143.87 · 2024-11-06
NORROD FORREST EUGENE
Officer
$5.74M
@ $141.67 · 2024-11-05
SU LISA T
Chief Executive Officer
$11.58M
@ $144.72 · 2024-09-11
SU LISA T
Chief Executive Officer
$12.60M
@ $157.44 · 2024-08-20
PAPERMASTER MARK D
Chief Technology Officer
$3.09M
@ $184.50 · 2024-07-15
PAPERMASTER MARK D
Chief Technology Officer
$2.57M
@ $158.94 · 2024-06-14
HU JEAN X
Chief Financial Officer
$3.23M
@ $161.40 · 2024-06-10
SU LISA T
Chief Executive Officer
$23.56M
@ $165.05 · 2024-06-05
PAPERMASTER MARK D
Chief Technology Officer
$2.53M
@ $156.11 · 2024-05-15
SU LISA T
Chief Executive Officer
$19.21M
@ $153.69 · 2024-05-08
PAPERMASTER MARK D
Chief Technology Officer
$2.66M
@ $164.25 · 2024-04-15
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
WST
0
Sells (3M)
0
Sells (12M)
WITHERSPOON CHARLES
Officer and Treasurer
$218,211
@ $310.40 · 2024-10-29
WITHERSPOON CHARLES
Officer and Treasurer
$308,700
@ $300.00 · 2024-08-19
GREEN ERIC MARK
Chief Executive Officer
$9.36M
@ $304.71 · 2024-08-06
ABRAHAM SILJI
Chief Technology Officer
$595,404
@ $330.78 · 2024-06-12
HOFMANN THOMAS W
Director
$225,773
@ $365.92 · 2024-05-10
GREEN ERIC MARK
Chief Executive Officer
$24.20M
@ $366.65 · 2024-05-07
GREEN ERIC MARK
Chief Executive Officer
$24.20M
@ $366.65 · 2024-05-07
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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AMD
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.
WST
FearGreed
😨Fear(40/100)

"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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AMD
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)
WST
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 (40)
View AMD Full AnalysisView WST Full Analysis
Advanced Micro Devices, Inc. (AMD) vs West Pharmaceutical Services, Inc. (WST) Stock Comparison | SafetyMargin.io