Compare Stocks › BSX vs TSLA
Boston Scientific Corporation (BSX) vs Tesla, Inc. (TSLA)
BSX
Boston Scientific Corporation
$56.50
VS
TSLA
Tesla, Inc.
$390.82
Rewards
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 $3.87 of earning power — management is an exceptional capital allocator.
TSLA
- ★Altman Z-Score of 19.94 indicates very low bankruptcy risk — the company is firmly in the safe zone.
- ★Net debt/EBITDA of -2.6x means the company holds more cash than debt — a net cash position.
Risks
BSX
- ⚠17 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
TSLA
- ⚠ROIC has declined by 17.7 percentage points over the observed period, which may signal competitive erosion.
- ⚠Gross margin of 19.1% is low, suggesting a competitive or commodity-like market with limited pricing power.
- ⚠Share count has increased by 19% over the past 4 years, diluting existing shareholders.
Key Valuation Metrics
Learn more →BSX
TSLA
Valuation
$2.81B
Free Cash Flow
$5.25B
3.34%
FCF Yield
0.36%
23.64
Trailing P/E
358.55
15.01
Forward P/E
154.15
Quality & Moat
9.04%
ROIC
3.23%
11.10%
ROE
4.47%
68.94%
Gross Margin
19.06%
0.24
PEG Ratio
43.20
Balance Sheet Safety
0.42
Debt / Equity
0.19
N/A
Interest Coverage
N/A
1.74
Net Debt / EBITDA
-2.60
N/A
Dividend Yield
N/A
BSX: 7Ties: 1TSLA: 3
BSXTSLA
Historical Fundamentals
Learn more →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.
TSLA
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
Learn more →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
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
TSLA
$50.04
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$25.92B
Δ Market Cap
+$1.30T
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
> $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
Learn more →BSX
24.2% Overvalued
Price is 24.2% above estimated fair value
Current Price: $56.50
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $45.49
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
TSLA
541.1% Overvalued
Price is 541.1% above estimated fair value
Current Price: $390.82
Strongly undervalued
Strongly overvalued
Fair Value: $60.97
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →BSX
What growth rate is the market pricing in at $57?
+14.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +14.7%
The market implies +14.2% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +14.7%, reflecting heavy growth investment expected to generate future returns.
TSLA
What growth rate is the market pricing in at $391?
+49.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +44.8%
The market implies +49.8% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +44.8%, reflecting heavy growth investment.
Economic Moat Score
Learn more →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.
TSLA
31/100
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.
Forensic Accounting
Learn more →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.
TSLA
-2.86
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
Learn more →BSX
Insiders 0.2%Institutions 95.4%Retail & Other 4.4%
No. of Institutional Holders2,452
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.
TSLA
Insiders 11.1%Institutions 44.7%Retail & Other 44.2%
No. of Institutional Holders5,238
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
Learn more →BSX
0
Buys (3M)
0
Buys (12M)
FITZGERALD JOSEPH MICHAEL
Officer
$4,515
@ $90.30 · 2024-12-03
Open market purchases · includes direct & indirect ownership · excludes option exercises
TSLA
0
Buys (3M)
1
Buys (12M)
Total value (12M): $999.96M
MUSK ELON REEVE
Chief Executive Officer
$999.96M
@ $389.28 · 2025-09-12
GEBBIA JOSEPH
Director
$1.03M
@ $256.31 · 2025-04-24
Open market purchases · includes direct & indirect ownership · excludes option exercises
Open market purchases · includes direct & indirect ownership · excludes option exercises.
Insider Selling Activity
Learn more →BSX
0
Sells (3M)
17
Sells (12M)
Total value (12M): $71.93M
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
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
$624,861
@ $104.84 · 2025-02-19
SORENSON JOHN BRADLEY
Officer
$127,678
@ $106.31 · 2025-02-14
MIRVISS JEFFREY B
Officer
$1.37M
@ $105.06 · 2025-02-12
BRENNAN DANIEL J
Chief Financial Officer
$1.59M
@ $105.07 · 2025-02-12
SORENSON JOHN BRADLEY
Officer
$671,249
@ $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
MIRVISS JEFFREY B
Officer
$642,658
@ $89.86 · 2025-01-03
BRENNAN DANIEL J
Chief Financial Officer
$870,636
@ $89.86 · 2025-01-03
SORENSON JOHN BRADLEY
Officer
$581,241
@ $89.96 · 2025-01-03
FITZGERALD JOSEPH MICHAEL
Officer
$1,799
@ $89.95 · 2024-12-10
CARRUTHERS WENDY
Officer
$633,917
@ $90.78 · 2024-12-02
WOODWORTH EMILY
Officer
$121,105
@ $90.65 · 2024-11-27
BUTCHER ARTHUR C
Officer
$1.25M
@ $89.27 · 2024-11-25
LUDWIG EDWARD J.
Director
$446,902
@ $91.63 · 2024-11-21
SORENSON JOHN BRADLEY
Officer
$2.68M
@ $87.66 · 2024-11-08
MAHONEY MICHAEL F
Chief Executive Officer
$13.79M
@ $84.75 · 2024-11-05
CARRUTHERS WENDY
Officer
$588,876
@ $84.33 · 2024-11-01
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
TSLA
3
Sells (3M)
15
Sells (12M)
Total value (12M): $294.75M
WILSON - THOMPSON KATHLEEN
Director
$9.27M
@ $359.33 · 2026-03-30
TANEJA VAIBHAV
Chief Financial Officer
$899,077
@ $397.12 · 2026-03-06
WILSON - THOMPSON KATHLEEN
Director
$10.69M
@ $415.56 · 2026-02-25
MUSK KIMBAL J
Director
$25.61M
@ $450.66 · 2025-12-09
TANEJA VAIBHAV
Chief Financial Officer
$1.17M
@ $443.93 · 2025-12-08
TANEJA VAIBHAV
Chief Financial Officer
$918,137
@ $352.45 · 2025-09-08
TANEJA VAIBHAV
Chief Financial Officer
$1.77M
@ $295.26 · 2025-07-08
ZHU XIAOTONG
Officer
$4.86M
@ $323.81 · 2025-06-12
TANEJA VAIBHAV
Chief Financial Officer
$732,573
@ $285.71 · 2025-06-09
TANEJA VAIBHAV
Chief Financial Officer
$2.40M
@ $342.30 · 2025-06-03
EHRENPREIS IRA MATTHEW
Director
$170.64M
@ $357.30 · 2025-05-27
MUSK KIMBAL J
Director
$32.73M
@ $357.39 · 2025-05-27
TANEJA VAIBHAV
Chief Financial Officer
$1.05M
@ $350.11 · 2025-05-16
TANEJA VAIBHAV
Chief Financial Officer
$1.20M
@ $300.00 · 2025-05-09
DENHOLM ROBYN M
Director
$30.81M
@ $274.12 · 2025-05-06
TANEJA VAIBHAV
Chief Financial Officer
$1.14M
@ $284.40 · 2025-05-01
DENHOLM ROBYN M
Director
$32.10M
@ $285.58 · 2025-04-29
TANEJA VAIBHAV
Chief Financial Officer
$1.00M
@ $250.00 · 2025-04-07
MURDOCH JAMES RUPERT
Director
$13.19M
@ $240.79 · 2025-03-10
TANEJA VAIBHAV
Chief Financial Officer
$718,111
@ $268.75 · 2025-03-06
DENHOLM ROBYN M
Director
$33.67M
@ $299.61 · 2025-03-03
TANEJA VAIBHAV
Chief Financial Officer
$1.78M
@ $296.02 · 2025-03-03
MUSK KIMBAL J
Director
$27.59M
@ $367.87 · 2025-02-06
DENHOLM ROBYN M
Director
$43.16M
@ $384.04 · 2025-02-03
TANEJA VAIBHAV
Chief Financial Officer
$2.68M
@ $383.11 · 2025-02-03
WILSON - THOMPSON KATHLEEN
Director
$41.16M
@ $411.63 · 2025-01-06
TANEJA VAIBHAV
Chief Financial Officer
$2.89M
@ $413.56 · 2025-01-06
TANEJA VAIBHAV
Chief Financial Officer
$975,015
@ $374.29 · 2024-12-06
WILSON - THOMPSON KATHLEEN
Director
$35.25M
@ $352.54 · 2024-12-04
DENHOLM ROBYN M
Director
$39.79M
@ $354.06 · 2024-12-02
TANEJA VAIBHAV
Chief Financial Officer
$2.48M
@ $354.43 · 2024-12-02
DENHOLM ROBYN M
Director
$35.34M
@ $314.44 · 2024-11-15
WILSON - THOMPSON KATHLEEN
Director
$34.60M
@ $346.02 · 2024-11-11
TANEJA VAIBHAV
Chief Financial Officer
$3.80M
@ $316.91 · 2024-11-11
MUSK KIMBAL J
Director
$15.14M
@ $250.23 · 2024-11-01
TANEJA VAIBHAV
Chief Financial Officer
$1.01M
@ $251.76 · 2024-11-01
TANEJA VAIBHAV
Chief Financial Officer
$1.00M
@ $250.00 · 2024-10-24
TANEJA VAIBHAV
Chief Financial Officer
$2.00M
@ $250.00 · 2024-09-23
ZHU XIAOTONG
Officer
$65,867
@ $221.77 · 2024-09-06
DENHOLM ROBYN M
Director
$14.60M
@ $219.96 · 2024-07-25
ZHU XIAOTONG
Officer
$113,151
@ $174.35 · 2024-06-06
DENHOLM ROBYN M
Director
$17.32M
@ $184.86 · 2024-05-06
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 →BSX
😨Fear(30/100)
"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.
TSLA
😐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.
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 →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 (30)
TSLA
⚪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)