Boston Scientific BSX
$42.75 −$1.89 (-4.23%)
Market closed · Nov 6, 9:50 pm ET · Last extended-hours $42.80 +0.12%
Open$43.35
Prev close$44.64
Day range$42.69 – $43.63
Volume14.71M
Market cap$61.96B
P/E (TTM)18.0
Dividend yield–
Average implied volatility across the listed chain right now: 57%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.
Open interest by strike
Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.
Implied volatility by strike
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $42.50 | $1.16 | $1.10/$1.30 | 61 | 47 | 50% |
| 13 Nov 2026 | $43.00 | $0.90 | $0.75/$1.05 | 23 | 89 | 47% |
| 13 Nov 2026 | $42.00 | $1.90 | $1.25/$1.90 | 3 | 378 | 54% |
| 13 Nov 2026 | $43.50 | $0.71 | $0.40/$0.85 | 74 | 236 | 44% |
| 13 Nov 2026 | $41.50 | $1.85 | $1.70/$2.20 | 271 | 19 | 57% |
| 13 Nov 2026 | $44.00 | $0.60 | $0.40/$0.65 | 76 | 223 | 47% |
| 13 Nov 2026 | $41.00 | $3.84 | $1.70/$3.00 | 0 | 4 | 61% |
| 13 Nov 2026 | $44.50 | $0.43 | $0.25/$0.50 | 57 | 145 | 47% |
| 13 Nov 2026 | $40.50 | $4.29 | $2.10/$3.80 | 0 | 43 | 75% |
| 13 Nov 2026 | $45.00 | $0.30 | $0.15/$0.40 | 107 | 216 | 47% |
| 13 Nov 2026 | $40.00 | $3.32 | $2.50/$4.30 | 3 | 18 | 80% |
| 13 Nov 2026 | $45.50 | $0.25 | $0.10/$0.35 | 43 | 107 | 49% |
| 13 Nov 2026 | $39.50 | $5.28 | $2.75/$4.80 | 0 | 3 | 80% |
| 13 Nov 2026 | $46.00 | $0.21 | $0.10/$0.25 | 68 | 350 | 51% |
| 13 Nov 2026 | $39.00 | $5.78 | $3.70/$5.10 | 0 | 2 | 96% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $42.50 | $0.78 | $0.65/$0.95 | 7 | 79 | 44% |
| 13 Nov 2026 | $43.00 | $1.02 | $1.00/$1.20 | 166 | 256 | 46% |
| 13 Nov 2026 | $42.00 | $0.60 | $0.55/$0.80 | 477 | 945 | 48% |
| 13 Nov 2026 | $43.50 | $1.35 | $1.05/$1.55 | 15 | 44 | 42% |
| 13 Nov 2026 | $41.50 | $0.53 | $0.25/$0.55 | 34 | 119 | 43% |
| 13 Nov 2026 | $44.00 | $1.63 | $1.50/$1.85 | 28 | 107 | 43% |
| 13 Nov 2026 | $41.00 | $0.32 | $0.15/$0.35 | 76 | 68 | 41% |
| 13 Nov 2026 | $44.50 | $1.90 | $1.85/$2.45 | 61 | 50 | 49% |
| 13 Nov 2026 | $40.50 | $0.24 | $0.15/$0.30 | 645 | 9 | 47% |
| 13 Nov 2026 | $45.00 | $2.45 | $2.30/$2.70 | 10 | 186 | 47% |
| 13 Nov 2026 | $40.00 | $0.15 | $0.05/$0.25 | 11 | 305 | 47% |
| 13 Nov 2026 | $45.50 | $1.71 | $2.20/$3.10 | 0 | 3 | 0% |
| 13 Nov 2026 | $39.50 | $0.16 | $0.05/$0.20 | 5 | 12 | 50% |
| 13 Nov 2026 | $46.00 | $3.20 | $2.95/$3.50 | 1 | 58 | 0% |
| 13 Nov 2026 | $39.00 | $0.10 | $0.00/$0.60 | 3 | 89 | 53% |
Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.
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