Compare Stocks › BAC vs BSX

Bank of America Corporation (BAC) vs Boston Scientific Corporation (BSX): Which Is the Better Buy in 2026?

As of 2026-11-01, BAC is undervalued at $50, with a DCF intrinsic value of $180 and a margin of safety of 72%. BSX is overvalued at $42, with an intrinsic value of $25 and a margin of safety of -69%. Of the two, BAC has the wider margin of safety.

BAC
Bank of America Corporation
$50.01
VS
BSX
Boston Scientific Corporation
$41.98

Rewards

BAC
  • ★Bank of America Corporation scores 100/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • ★PEG ratio of 0.91 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
BSX
  • ★Gross margin of 68.6% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Free cash flow has grown at a 55.0% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • ★Each dollar of retained earnings has created $3.37 of earning power — management is an exceptional capital allocator.

Risks

BAC
  • ⚠Gross margin of 0.0% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • ⚠Altman Z-Score of 0.22 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
BSX

    Key Valuation Metrics

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    BAC
    BSX
    Valuation
    N/A
    Free Cash Flow
    N/A
    N/A
    FCF Yield
    N/A
    11.94
    Trailing P/E
    17.71
    9.64
    Forward P/E
    13.28
    Quality & Moat
    3.80%
    ROIC
    8.91%
    10.73%
    ROE
    14.32%
    0.00%
    Gross Margin
    68.58%
    0.91
    PEG Ratio
    0.62
    Balance Sheet Safety
    N/A
    Net Debt / Equity
    0.48
    N/A
    Interest Coverage
    N/A
    N/A
    Net Debt / EBITDA
    2.12
    2.56%
    Dividend Yield
    0.00%
    BAC: 3Ties: 1BSX: 4
    BACBSX

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

    BSX

    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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    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
    BSX
    $11.89
    created per $1 retained over 3 years
    Exceptional Value Creator
    Σ Retained
    $6.32B
    Δ Market Cap
    +$75.08B
    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
    72.2% Margin of Safety
    Price is 72.2% below estimated fair value
    Current Price: $50.01
    Fair Value: $180.08
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued
    BSX
    69.4% Overvalued
    Price is 69.4% above estimated fair value
    Current Price: $41.98
    Fair Value: $24.79
    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.

    BSX

    Requires positive FCF to compute implied growth rate.

    Economic Moat Score

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    BAC
    100/100
    Wide Moat
    70+ Wide · 40-69 Narrow · <40 None

    Wide moat driven primarily by revenue predictability. Reinvestment Efficiency is the area most vulnerable to competitive pressure.

    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.
    BSX
    66/100
    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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    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.
    BSX
    -2.51
    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 7.1%Institutions 71.9%Retail & Other 21.0%
    No. of Institutional Holders4,517
    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.
    BSX
    Insiders 0.3%Institutions 95.0%Retail & Other 4.8%
    No. of Institutional Holders2,218
    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
    BSX
    3
    Buys (3M)
    8
    Buys (12M)
    Total value (12M): $10.04M
    MORANO SUSAN E.
    Director
    $100,408
    @ $49.22 · 2026-08-25
    HABIGER DAVID C
    Director
    $99,937
    @ $47.59 · 2026-08-05
    HABIGER DAVID C
    Director
    $56,887
    @ $48.13 · 2026-08-04
    MAHONEY MICHAEL F
    Chief Executive Officer
    $9.00M
    @ $48.33 · 2026-08-03
    LUDWIG EDWARD J.
    Director
    $227,400
    @ $45.48 · 2026-07-31
    LUDWIG EDWARD J.
    Director
    $202,914
    @ $56.68 · 2026-05-20
    HABIGER DAVID C
    Director
    $251,098
    @ $56.43 · 2026-05-20
    PEGUS CHERYL
    Director
    $99,987
    @ $56.49 · 2026-05-20
    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
    0
    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
    Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
    BSX
    0
    Sells (3M)
    4
    Sells (12M)
    Total value (12M): $23.04M
    MAHONEY MICHAEL F
    Chief Executive Officer
    $15.04M
    @ $93.49 · 2026-02-02
    BUTCHER ARTHUR C
    Officer
    $1.76M
    @ $101.55 · 2025-12-01
    ZANE ELLEN M
    Director
    $1.27M
    @ $98.28 · 2025-11-06
    FITZGERALD JOSEPH MICHAEL
    Officer
    $4.97M
    @ $99.47 · 2025-11-03
    ZANE ELLEN M
    Director
    $1.31M
    @ $101.38 · 2025-10-28
    FITZGERALD JOSEPH MICHAEL
    Officer
    $4.92M
    @ $98.47 · 2025-10-01
    FITZGERALD JOSEPH MICHAEL
    Officer
    $5.27M
    @ $105.43 · 2025-09-02
    BUTCHER ARTHUR C
    Officer
    $1.81M
    @ $104.63 · 2025-08-01
    FITZGERALD JOSEPH MICHAEL
    Officer
    $5.23M
    @ $104.63 · 2025-08-01
    FUJIMORI YOSHIAKI
    Director
    $310,378
    @ $106.99 · 2025-07-29
    LUDWIG EDWARD J.
    Director
    $424,120
    @ $106.03 · 2025-07-25
    FITZGERALD JOSEPH MICHAEL
    Officer
    $5.35M
    @ $106.97 · 2025-07-01
    FITZGERALD JOSEPH MICHAEL
    President
    $5.80M
    @ $102.88 · 2025-06-04
    MAHONEY MICHAEL F
    Chief Executive Officer
    $17.05M
    @ $103.69 · 2025-06-02
    LUDWIG EDWARD J.
    Director
    $418,368
    @ $104.59 · 2025-05-29
    BROWN VANCE R
    General Counsel
    $513,583
    @ $106.42 · 2025-05-21
    SORENSON JOHN BRADLEY
    Officer
    $477,957
    @ $104.54 · 2025-05-05
    BUTCHER ARTHUR C
    Officer
    $1.77M
    @ $102.06 · 2025-05-01
    MAHONEY MICHAEL F
    Chief Executive Officer
    $16.85M
    @ $102.48 · 2025-05-01
    BROWN VANCE R
    General Counsel
    $458,904
    @ $95.09 · 2025-04-21
    MAHONEY MICHAEL F
    Chief Executive Officer
    $16.45M
    @ $100.01 · 2025-04-01
    BROWN VANCE R
    General Counsel
    $486,702
    @ $100.85 · 2025-03-21
    WOODWORTH EMILY
    General Counsel
    $800,897
    @ $104.95 · 2025-03-04
    WOODWORTH EMILY
    Officer
    $999,872
    @ $101.13 · 2025-02-28
    MIRVISS JEFFREY B
    Officer
    $766,921
    @ $104.16 · 2025-02-25
    ZANE ELLEN M
    Director
    $1.42M
    @ $104.23 · 2025-02-24
    BROWN VANCE R
    General Counsel
    $504,993
    @ $104.64 · 2025-02-21
    SORENSON JOHN BRADLEY
    Officer
    $624,861
    @ $104.84 · 2025-02-19
    MIRVISS JEFFREY B
    Officer
    $159,078
    @ $105.35 · 2025-02-19
    BRENNAN DANIEL J
    Chief Financial Officer
    $8.92M
    @ $105.10 · 2025-02-19
    SORENSON JOHN BRADLEY
    Officer
    $127,678
    @ $106.31 · 2025-02-14
    SORENSON JOHN BRADLEY
    Officer
    $671,249
    @ $105.06 · 2025-02-12
    MIRVISS JEFFREY B
    Officer
    $1.37M
    @ $105.06 · 2025-02-12
    BRENNAN DANIEL J
    Chief Financial Officer
    $1.59M
    @ $105.07 · 2025-02-12
    LUDWIG EDWARD J.
    Director
    $1.27M
    @ $105.48 · 2025-02-11
    SORENSON JOHN BRADLEY
    Officer
    $685,244
    @ $104.97 · 2025-02-07
    BUTCHER ARTHUR C
    Officer
    $1.76M
    @ $101.80 · 2025-02-03
    SORENSON JOHN BRADLEY
    Officer
    $581,241
    @ $89.96 · 2025-01-03
    MIRVISS JEFFREY B
    Officer
    $642,658
    @ $89.86 · 2025-01-03
    BRENNAN DANIEL J
    Chief Financial Officer
    $870,636
    @ $89.86 · 2025-01-03
    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 →
    BAC
    FearGreed
    😨Fear(39/100)

    "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.
    BSX
    FearGreed
    😨Fear(31/100)

    "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: Fear (39)
    BSX
    ⚪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 (31)
    View BAC Full AnalysisView BSX Full Analysis

    Frequently Asked Questions: BAC vs BSX

    Is Bank of America Corporation or Boston Scientific Corporation more undervalued in 2026?▼

    Based on our discounted cash flow model, BAC trades at a 72.2% margin of safety (intrinsic value $180 vs. price $50), compared to BSX's -69.4% margin of safety (intrinsic $25 vs. $42).

    Which stock has a wider economic moat, Bank of America Corporation or Boston Scientific Corporation?▼

    BAC scores 100/100 (Wide moat), while BSX scores 66/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

    Is Bank of America Corporation in financial distress?▼

    BAC's Altman Z-Score of 0.2 places it in the Distress zone, signaling elevated bankruptcy risk. BSX scores 5.5 (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, Bank of America Corporation or Boston Scientific Corporation?▼

    BSX earns 8.9% ROIC versus BAC'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.

    BAC vs BSX: Which Is the Better Buy in 2026? | SafetyMargin.io