Compare StocksAXP vs BSX

American Express Company (AXP) vs Boston Scientific Corporation (BSX): Which Is the Better Buy in 2026?

As of 2026-06-19, AXP is undervalued at $338, with a DCF intrinsic value of $484 and a margin of safety of 30%. BSX is fairly valued at $45, with an intrinsic value of $47 and a margin of safety of 5%. Of the two, AXP has the wider margin of safety.

AXP
American Express Company
$338.00
VS
BSX
Boston Scientific Corporation
$45.29

Rewards

AXP
  • Gross margin of 62.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • American Express Company scores 100/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
BSX
  • Gross margin of 68.9% 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

AXP
  • Altman Z-Score of 0.93 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • 17 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
  • Free cash flow has declined at a 5.9% CAGR over the past 4 years — a concerning trend.
BSX

    Key Valuation Metrics

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    AXP
    BSX
    Valuation
    N/A
    Free Cash Flow
    $2.81B
    N/A
    FCF Yield
    4.17%
    21.11
    Trailing P/E
    18.95
    16.77
    Forward P/E
    12.16
    Quality & Moat
    12.23%
    ROIC
    9.04%
    34.42%
    ROE
    14.66%
    62.76%
    Gross Margin
    68.94%
    1.62
    PEG Ratio
    0.57
    Balance Sheet Safety
    0.19
    Net Debt / Equity
    0.37
    N/A
    Interest Coverage
    N/A
    N/A
    Net Debt / EBITDA
    1.74
    1.12%
    Dividend Yield
    0.00%
    AXP: 4Ties: 1BSX: 4
    AXPBSX

    Historical Fundamentals

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    AXP

    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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    AXP
    $6.18
    created per $1 retained over 3 years
    Exceptional Value Creator
    Σ Retained
    $23.29B
    Δ Market Cap
    +$144.01B
    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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    AXP
    30.1% Margin of Safety
    Price is 30.1% below estimated fair value
    Current Price: $338.00
    Fair Value: $483.58
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued
    BSX
    4.6% Margin of Safety
    Price is 4.6% below estimated fair value
    Current Price: $45.29
    Fair Value: $47.48
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued

    Reverse DCF — Market-Implied Growth

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    AXP

    Requires positive FCF to compute implied growth rate.

    BSX

    What growth rate is the market pricing in at $45?

    +10.5%
    Market-Implied Owner Earnings Growth
    Standard FCF implies +12.0%

    The market implies +10.5% Owner Earnings growth, below historical trends — potential opportunity.

    Standard FCF implies a more demanding +12.0%, reflecting heavy growth investment expected to generate future returns.

    Economic Moat Score

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

    Wide moat driven primarily by revenue predictability. Margin Stability 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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    AXP
    -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.
    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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    AXP
    Insiders 22.3%Institutions 65.3%Retail & Other 12.3%
    No. of Institutional Holders3,664
    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 0.2%Institutions 94.9%Retail & Other 4.8%
    No. of Institutional Holders2,417
    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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    AXP
    0
    Buys (3M)
    0
    Buys (12M)
    JOABAR RAYMOND D
    Officer
    $4,054
    @ $176.26 · 2025-04-09
    ANGELAKIS MICHAEL J
    Director
    $998,593
    @ $269.89 · 2025-03-07
    Open market purchases · includes direct & indirect ownership · excludes option exercises
    BSX
    3
    Buys (3M)
    3
    Buys (12M)
    Total value (12M): $553,999
    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
    FITZGERALD JOSEPH MICHAEL
    Officer
    $4,515
    @ $90.30 · 2024-12-03
    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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    AXP
    0
    Sells (3M)
    17
    Sells (12M)
    Total value (12M): $145.68M
    LIEBERMAN QUINN JESSICA
    Officer
    $909,661
    @ $300.02 · 2026-03-06
    JOABAR RAYMOND D
    Officer
    $4.77M
    @ $340.67 · 2026-02-19
    GROSFIELD HOWARD M
    Officer
    $2.82M
    @ $346.73 · 2026-02-12
    RADHAKRISHNAN RAVIKUMAR S
    Chief Technology Officer
    $5.35M
    @ $356.58 · 2026-02-09
    SEEGER LAUREEN E
    Officer
    $4.60M
    @ $360.99 · 2026-02-09
    MARRS ANNA
    Officer
    $9.60M
    @ $350.01 · 2026-02-05
    PICKETT DENISE
    Officer
    $8.35M
    @ $356.91 · 2026-02-05
    JOABAR RAYMOND D
    Officer
    $538,902
    @ $384.93 · 2025-12-12
    RUTLEDGE ELIZABETH
    Officer
    $18.01M
    @ $360.21 · 2025-10-31
    TABISH DOUGLAS J
    Officer
    $894,359
    @ $355.61 · 2025-10-23
    PICKETT DENISE
    Officer
    $1.75M
    @ $350.73 · 2025-10-22
    SQUERI STEPHEN J
    Chief Executive Officer
    $37.03M
    @ $329.86 · 2025-09-04
    HERENA MONIQUE
    Officer
    $2.83M
    @ $325.88 · 2025-09-03
    BUCKMINSTER DOUGLAS E
    Officer
    $7.67M
    @ $326.37 · 2025-09-02
    SEEGER LAUREEN E
    Officer
    $23.37M
    @ $296.90 · 2025-08-06
    MARRS ANNA
    Officer
    $1.71M
    @ $310.77 · 2025-07-29
    MCNEAL GLENDA G
    Officer
    $15.47M
    @ $309.50 · 2025-07-29
    MARQUEZ RAFAEL
    Officer
    $3.56M
    @ $296.93 · 2025-05-20
    GROSFIELD HOWARD M
    Officer
    $2.60M
    @ $275.50 · 2025-05-06
    MCNEAL GLENDA G
    Officer
    $799,009
    @ $264.66 · 2025-04-29
    MARRS ANNA
    President
    $6.32M
    @ $287.88 · 2025-03-04
    LIEBERMAN QUINN JESSICA
    Officer
    $897,590
    @ $296.43 · 2025-02-26
    MCNEAL GLENDA G
    Officer
    $2.29M
    @ $309.96 · 2025-02-11
    SQUERI STEPHEN J
    Chief Executive Officer
    $16.24M
    @ $319.45 · 2025-02-06
    RADHAKRISHNAN RAVIKUMAR S
    Chief Technology Officer
    $3.03M
    @ $319.17 · 2025-02-05
    JOABAR RAYMOND D
    Officer
    $3.53M
    @ $317.01 · 2025-02-05
    PICKETT DENISE
    Officer
    $7.25M
    @ $318.69 · 2025-02-05
    JOABAR RAYMOND D
    Officer
    $4.77M
    @ $313.94 · 2025-01-28
    LE CAILLEC CHRISTOPHE
    Chief Financial Officer
    $1.82M
    @ $303.48 · 2024-11-27
    HERENA MONIQUE
    Officer
    $374,010
    @ $287.70 · 2024-11-07
    SQUERI STEPHEN J
    Chief Executive Officer
    $48.90M
    @ $286.57 · 2024-11-07
    BUCKMINSTER DOUGLAS E
    Officer
    $3.55M
    @ $270.98 · 2024-10-29
    WILLIAMS ANRE D.
    Officer
    $21.05M
    @ $270.26 · 2024-10-22
    Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
    BSX
    0
    Sells (3M)
    12
    Sells (12M)
    Total value (12M): $47.67M
    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
    FITZGERALD JOSEPH MICHAEL
    Officer
    $5.23M
    @ $104.63 · 2025-08-01
    BUTCHER ARTHUR C
    Officer
    $1.81M
    @ $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
    MAHONEY MICHAEL F
    Chief Executive Officer
    $16.85M
    @ $102.48 · 2025-05-01
    BUTCHER ARTHUR C
    Officer
    $1.77M
    @ $102.06 · 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
    BRENNAN DANIEL J
    Chief Financial Officer
    $8.92M
    @ $105.10 · 2025-02-19
    SORENSON JOHN BRADLEY
    Officer
    $624,861
    @ $104.84 · 2025-02-19
    MIRVISS JEFFREY B
    Officer
    $159,078
    @ $105.35 · 2025-02-19
    SORENSON JOHN BRADLEY
    Officer
    $127,678
    @ $106.31 · 2025-02-14
    BRENNAN DANIEL J
    Chief Financial Officer
    $1.59M
    @ $105.07 · 2025-02-12
    SORENSON JOHN BRADLEY
    Officer
    $671,249
    @ $105.06 · 2025-02-12
    MIRVISS JEFFREY B
    Officer
    $1.37M
    @ $105.06 · 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
    BRENNAN DANIEL J
    Chief Financial Officer
    $870,636
    @ $89.86 · 2025-01-03
    SORENSON JOHN BRADLEY
    Officer
    $581,241
    @ $89.96 · 2025-01-03
    MIRVISS JEFFREY B
    Officer
    $642,658
    @ $89.86 · 2025-01-03
    FITZGERALD JOSEPH MICHAEL
    Officer
    $1,799
    @ $89.95 · 2024-12-10
    CARRUTHERS WENDY
    Officer
    $633,917
    @ $90.78 · 2024-12-02
    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 →
    AXP
    FearGreed
    😐Neutral(58/100)

    "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.
    BSX
    FearGreed
    😨Fear(26/100)

    "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

    Learn more →
    AXP
    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 (58)
    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 (26)
    View AXP Full AnalysisView BSX Full Analysis

    Frequently Asked Questions: AXP vs BSX

    Is American Express Company or Boston Scientific Corporation more undervalued in 2026?

    Based on our discounted cash flow model, AXP trades at a 30.1% margin of safety (intrinsic value $484 vs. price $338), compared to BSX's 4.6% margin of safety (intrinsic $47 vs. $45).

    Which stock has a wider economic moat, American Express Company or Boston Scientific Corporation?

    AXP 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 American Express Company in financial distress?

    AXP's Altman Z-Score of 0.9 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, American Express Company or Boston Scientific Corporation?

    AXP earns 12.2% ROIC versus BSX's 9.0%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

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