Compare StocksBAC vs WST

Bank of America Corporation (BAC) vs West Pharmaceutical Services, Inc. (WST)

BAC
Bank of America Corporation
$47.01
VS
WST
West Pharmaceutical Services, Inc.
$240.33

Rewards

BAC
  • Each dollar of retained earnings has created $2.37 of market value — management is an exceptional capital allocator.
  • PEG ratio of 0.58 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
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

BAC
  • Gross margin of 0.0% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • Bank of America Corporation scores only 20/100 on the Economic Moat Score, suggesting limited durable competitive advantages.
  • Altman Z-Score of 0.22 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
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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BAC
WST
Valuation
N/A
Free Cash Flow
$468.90M
N/A
FCF Yield
2.71%
12.34
Trailing P/E
35.34
9.49
Forward P/E
27.17
Quality & Moat
4.61%
ROIC
15.01%
N/A
ROE
15.55%
0.00%
Gross Margin
35.91%
0.58
PEG Ratio
16.83
Balance Sheet Safety
N/A
Debt / Equity
0.10
N/A
Interest Coverage
N/A
N/A
Net Debt / EBITDA
-0.57
2.38%
Dividend Yield
0.37%
BAC: 4Ties: 1WST: 2
BACWST

Historical Fundamentals

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BAC

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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BAC
$2.37
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$55.63B
Δ Market Cap
+$131.83B
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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BAC
64.3% Margin of Safety
Price is 64.3% below estimated fair value
Current Price: $47.01
Fair Value: $131.82
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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BAC

Requires positive FCF to compute implied growth rate.

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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BAC
20/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though revenue predictability 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 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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BAC
-2.31
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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BAC
Insiders 7.3%Institutions 71.2%Retail & Other 21.5%
No. of Institutional Holders4,445
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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BAC
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
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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BAC
5
Sells (3M)
5
Sells (12M)
Total value (12M): $20.17M
MENSAH BERNARD AMPONSAH
Officer
$4.41M
@ $46.94 · 2026-03-12
SCRIVENER THOMAS M
Officer
$2.49M
@ $49.82 · 2026-03-05
BRONSTEIN SHERI B
Officer
$2.99M
@ $49.91 · 2026-03-05
ATHANASIA DEAN C
President
$6.86M
@ $50.21 · 2026-03-03
BORTHWICK ALASTAIR M.
Chief Financial Officer
$3.42M
@ $50.24 · 2026-02-27
MENSAH BERNARD AMPONSAH
Officer
$3.66M
@ $39.80 · 2024-08-27
HANS LINDSAY D
Officer
$402,410
@ $36.91 · 2024-08-05
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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BAC
FearGreed
😐Neutral(47/100)

"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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BAC
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 (47)
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 BAC Full AnalysisView WST Full Analysis
Bank of America Corporation (BAC) vs West Pharmaceutical Services, Inc. (WST) Stock Comparison | SafetyMargin.io