$43.65▼ −0.23 · −0.5%from $43.88 the session before · Sep 30, 2026 close · end of day
Open
$43.74
High
$43.97
Low
$43.30
Day's range
$0.671.5% of the previous close
VWAP
$43.68close −0.06% from it
Volume, shares
18M0.85× the 20-session average
Traded, $
$784.8M
Trades
124K150 shares per trade
Previous close
$43.88−0.23 to the close
Market cap
$63.26Bat the close of Sep 30
Day range52% of the way up
$43.30$43.97
52-week range5% of the way up
$42.20 Jul 15$71.20 Mar 26
−39% from the high · +3.4% from the low
The desk read · Sep 28expiry Oct 16 · 18 days
call-heavy
options read
calls 72% · puts 28% of OI
0.40
puts per call, by OI
Oct 16 expiry 1.22
$45.00
max pain
+3.1% from the close
$50.00
most call OI
5.96K contracts · +15% from the close
$40.00
most put OI
15.3K contracts · −8.4% from the close
Call-heavy into a 18-day expiry: 0.40 puts per call by open interest, the most call OI sits at $50.00, the most put OI at $40.00, max pain $45.00.
Options
Sep 28 open interest · 16 expiries listed
BSX options carry 861K contracts of open interest across 16 expiries, 5.4% of it in the Oct 16 contract, with 0.40 puts per call.
Open interest by expirythe next 8 of 16 expiries · share of all open interest
Option open interest by expiry, the next 8 expiries
Expiry
Call OI · on the day
Put OI · on the day
Puts per call
Share of OI %
Strikes
Oct 24 days
12.8K
6.95K
0.54
2.3
46
Oct 911 days
3.81K
1.64K
0.43
0.63
41
Oct 1618 days
20.9K
25.4K
1.22
5.4
39
Oct 2325 days
1.39K
4.34K
3.14
0.67
29
Oct 3032 days
1.23K
2.65K
2.15
0.45
25
Nov 639 days
33
101
3.06
0.02
25
Nov 2053 days
33.5K
23.8K
0.71
6.7
17
Dec 1881 days
333K
69.4K
0.21
47
38
92% of open interest sits beyond the Oct 16 contract · 39 strikes listed for it · 861K contracts open in all
Monthly contractOct 16 expiry · 18 days
The Oct 16 contract holds 20.9K calls and 25.4K puts, the most call OI at $50.00 and the most put OI at $40.00; max pain $45.00, +3.1% from the close.
Call OI, contracts
20.9K20,858 contracts
Put OI, contracts
25.4K25,388 contracts
Puts per call, by OI
1.22all expiries 0.40
Max pain
$45.00+3.1% from the close
Strikes listed
39for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
5.26K
$55.00
5.96K
$50.00
$45.00
6.36K
2.4K
$43.50
$40.00
15.3K
$38.00
2.01K
Close $ · S&P 500 rebased to the first close126 sessions to Sep 30 · axis fixed at 4 × ATR-14 around the last close · hover or tap a session and the read beside the chart follows it
consolidated · latest filed Aug 3, 2026 · SEC filings
Revenue $5.44B, +7.5% on a year earlier in the Jun 2026 quarter, consolidated.
Last 8 quarters, consolidatedUS dollars as filed · year on year against the same quarter a year earlier · market: close on the first session after the filing against the last close before it, S&P 500 over the same session
Quarterly results of BSX on the consolidated basis with the market's move on the first session after each filing
Quarter
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
Market on the day
Jun 2026filed Aug 3
$5.44B
▲ +7.5%
—
—
0.61
▲ +1.4%S&P 500 +1.8% · −0.4 pp
Mar 2026filed May 1
$5.20B
▲ +12%
—
—
0.90
▲ +0.6%S&P 500 −0.4% · +1.0 pp
Dec 2025filed Feb 17
$5.29B
▲ +16%
—
—
0.45
—not reached
Sep 2025filed Nov 3
$5.07B
▲ +20%
—
—
0.51
—not reached
Jun 2025filed Aug 3
$5.06B
▲ +23%
—
—
0.53
▲ +1.4%S&P 500 +1.8% · −0.4 pp
Mar 2025filed May 1
$4.66B
▲ +21%
—
—
0.45
▲ +0.6%S&P 500 −0.4% · +1.0 pp
Dec 2024filed Feb 18
$4.56B
▲ +22%
—
—
0.38
—not reached
Sep 2024filed Nov 3
$4.21B
▲ +19%
—
—
0.32
—not reached
By fiscal yearfiscal years as filed in the 10-K · named by the year the fiscal year ends
Financial-year results of BSX on the consolidated basis, summed from the quarters filed
Year
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
FY25to Dec 2025
$20.07B
▲ +20%
—
—
1.94
FY24to Dec 2024
$16.75B
▲ +18%
—
—
1.25
FY23to Dec 2023
$14.24B
▲ +12%
—
—
1.07
FY22to Dec 2022
$12.68B
▲ +6.7%
—
—
0.45
FY21to Dec 2021
$11.89B
▲ +20%
—
—
0.69
Fundamentals
consolidated · filings to Jun 2026 · close $43.65 on Sep 30
BSX trades at 18 times trailing earnings, 2.5 times book value, revenue +14% over twelve months, market cap $63.26B.
Valuation
Market cap
$63.26Bon Sep 30
Price to earnings
18consolidated · four quarters to Jun 2026
Trailing EPS
$2.47diluted · consolidated · four quarters to Jun 2026
Price to book
2.5consolidated · balance sheet to Jun 2026
Book value a share
$17.20consolidated · balance sheet to Jun 2026
Debt to equity
—
Return on equity
—
Dividend yield
—
Price to sales
3.0market cap over revenue, four quarters to Jun 2026
Shares outstanding
1.45Bon Sep 30
Growthsums of the four quarters filed to Jun 2026 · growth against the four quarters before them · consolidated
Revenue, trailing 12 months
$21.00Bfour quarters to Jun 2026
Revenue growth, 12 months
▲ +14%against the twelve months before
Revenue 3-year CAGR
▲ +16%trailing twelve months against the twelve months 3 years earlier · consolidated
Profit, trailing 12 months
—
Profit growth, 12 months
—
Profit 3-year CAGR
—
Shareholding
quarter to Jun 2026 · SEC Form 13F
13F managers hold 180% of shares, BlackRock, Inc. the largest at 18%, VANGUARD CAPITAL MANAGEMENT LLC 13% and STATE STREET CORP 9.7%, as filed for the quarter to Jun 2026.
17.9%13.4%9.7%136.8%
BlackRock, Inc. 17.9%
VANGUARD CAPITAL MANAGEMENT LLC 13.4%
STATE STREET CORP 9.7%
Other 13F managers 136.8%
Held by 13F managers
180%of shares outstanding
Shares held
2.58B−0.89% on Mar 2026 among managers filing both
Managers holding
1,3851,580 a quarter earlier
Largest holder
18%BlackRock, Inc.
Largest 10 holderspercent of shares outstanding · change in shares against the previous quarter
Largest 13F holders of BSX
Manager
Shares
Of outstanding
Value
Change on quarter
BlackRock, Inc.
259M
18%
$11.07B
−4.28M
VANGUARD CAPITAL MANAGEMENT LLC
194M
13%
$8.29B
+1.35M
STATE STREET CORP
140M
9.7%
$5.98B
+4.25M
PRIMECAP MANAGEMENT CO/CA/
101M
7.0%
$4.31B
+36M
FMR LLC
91.4M
6.3%
$3.90B
−57M
GEODE CAPITAL MANAGEMENT, LLC
66.9M
4.6%
$2.84B
+309K
VANGUARD PORTFOLIO MANAGEMENT LLC
59.6M
4.1%
$2.54B
−6.83K
D. E. Shaw & Co., Inc.
50.9M
3.5%
$2.17B
+2.29M
JPMORGAN CHASE & CO
47.8M
3.3%
$2.08B
—
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
46.6M
3.2%
$1.99B
+18.8M
Insider tradesSEC Forms 3, 4 and 5 · the latest 10
No open-market insider buying or selling in the last 90 days.
BSX insider trades
Insider
Trade
Shares
Price
Held after
Mahoney Michael FDirector,Officer
gift · May 28, 2026
386,755
$0.00
0
Habiger David CDirector
bought · May 20, 2026
2,250
$55.92
13,878
Habiger David CDirector
bought · May 19, 2026
2,200
$56.95
11,628
LUDWIG EDWARD JDirector
bought · May 20, 2026
3,580
$56.68
25,359
Pegus CherylDirector
bought · May 20, 2026
1,770
$56.49
1,770
Habiger David CDirector
granted · May 7, 2026
3,800
$0.00
9,428
LUDWIG EDWARD JDirector
granted · May 7, 2026
3,800
$0.00
21,779
Mega Jessica LDirector
granted · May 7, 2026
3,800
$0.00
12,035
Morano Susan EDirector
granted · May 7, 2026
1,281
$0.00
11,744
Morano Susan EDirector
granted · May 7, 2026
3,800
$0.00
10,463
Corporate actions
exchange records
No corporate action on record for BSX yet.
Price history
131 sessions on record · to Sep 30 · end of day
BSX is −9.2% over 20 sessions against the S&P 500's +0.1%, 39% below its 52-week high, realised volatility 37% annualised.
Returns against S&P 500longest window first · S&P 500 over the same sessions
Returns of the stock and S&P 500 over six windows, longest first
Window
From $
BSX %
S&P 500 %
Difference pp
120 sessionssince Apr 9
$61.28
▼ −29%
▲ +12%
−41
60 sessionssince Jul 7
$45.30
▼ −3.6%
▲ +2.0%
−5.6
20 sessionssince Sep 1
$48.08
▼ −9.2%
▲ +0.11%
−9.3
5 sessionssince Sep 23
$44.62
▼ −2.2%
▼ −0.67%
−1.5
1 sessionsince Sep 29
$43.88
▼ −0.52%
▼ −0.21%
−0.31
Averages of the closeclose against each average
5-session average
$44.05close −0.91% from it
20-session average
$44.62close −2.2% from it
50-session average
$46.89close −6.9% from it
Range and volumetrue range over 14 sessions · high to low over 20 · volume against the 20-session average
Average true range, 14
$1.22.7% of the close
Average day's range, 20
$1.22.9% of the close
Volume against 20 sessions
0.85×18M vs 21.4M average
Volatility and co-movement with S&P 500annualised from daily returns
Realised volatility, 20
37%≈ ±2.4% a session · moved more than that on 6 of 20
Realised volatility, 60
35%≈ ±2.2% a session · moved more than that on 19 of 60
Beta to S&P 500, 60
0.42moved with S&P 500 on 36 of 60 sessions
Up and down sessionscloses above and below the previous close
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