Pfizer PFE
US equityMarket cap rank #116Drug Manufacturers - GeneralCAR-T TherapyInfectious DiseaseCancer Research
$29.39 −$0.06 (-0.20%)
Market closed · Nov 8, 10:50 pm ET · Last extended-hours $29.35 -0.14%
Open$29.07
Prev close$29.45
Day range$28.54 – $29.43
Volume48.32M
Market cap$167.52B
P/E (TTM)42.0
Dividend yield5.85%
Average implied volatility across the listed chain right now: 53%. 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 | $29.50 | $0.42 | $0.38/$0.42 | 2,547 | 2,178 | 35% |
| 13 Nov 2026 | $29.00 | $0.70 | $0.64/$0.71 | 687 | 470 | 36% |
| 13 Nov 2026 | $30.00 | $0.22 | $0.19/$0.23 | 2,334 | 2,014 | 34% |
| 13 Nov 2026 | $28.50 | $1.05 | $0.90/$1.10 | 386 | 13 | 35% |
| 13 Nov 2026 | $30.50 | $0.12 | $0.09/$0.11 | 859 | 1,376 | 34% |
| 13 Nov 2026 | $28.00 | $1.34 | $1.32/$1.56 | 83 | 16 | 40% |
| 13 Nov 2026 | $31.00 | $0.04 | $0.04/$0.05 | 979 | 3,718 | 34% |
| 13 Nov 2026 | $27.50 | $1.90 | $1.74/$2.09 | 27 | 23 | 46% |
| 13 Nov 2026 | $31.50 | $0.03 | $0.02/$0.03 | 757 | 6,384 | 36% |
| 13 Nov 2026 | $27.00 | $2.17 | $2.19/$2.56 | 29 | 9 | 48% |
| 13 Nov 2026 | $32.00 | $0.02 | $0.01/$0.02 | 2,991 | 1,924 | 39% |
| 13 Nov 2026 | $26.50 | $2.65 | $2.05/$3.05 | 9 | 3 | 0% |
| 13 Nov 2026 | $32.50 | $0.01 | $0.00/$0.12 | 73 | 13,792 | 42% |
| 13 Nov 2026 | $26.00 | $3.24 | $2.53/$3.75 | 1 | 1 | 0% |
| 13 Nov 2026 | $33.00 | $0.01 | $0.01/$0.08 | 2 | 1,116 | 61% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $29.50 | $0.51 | $0.46/$0.55 | 443 | 3,627 | 30% |
| 13 Nov 2026 | $29.00 | $0.27 | $0.25/$0.28 | 861 | 3,855 | 30% |
| 13 Nov 2026 | $30.00 | $0.88 | $0.73/$0.89 | 4,256 | 5,881 | 27% |
| 13 Nov 2026 | $28.50 | $0.14 | $0.12/$0.16 | 553 | 2,337 | 32% |
| 13 Nov 2026 | $30.50 | $1.31 | $1.15/$1.39 | 76 | 1,061 | 33% |
| 13 Nov 2026 | $28.00 | $0.06 | $0.04/$0.10 | 374 | 797 | 34% |
| 13 Nov 2026 | $31.00 | $1.72 | $1.57/$1.75 | 4 | 85 | 0% |
| 13 Nov 2026 | $27.50 | $0.04 | $0.01/$0.05 | 158 | 2,179 | 35% |
| 13 Nov 2026 | $31.50 | $2.19 | $2.04/$2.36 | 25 | 160 | 35% |
| 13 Nov 2026 | $27.00 | $0.02 | $0.00/$0.03 | 81 | 272 | 40% |
| 13 Nov 2026 | $32.00 | $2.74 | $2.55/$2.92 | 4 | 56 | 51% |
| 13 Nov 2026 | $26.50 | $0.03 | $0.00/$0.03 | 4 | 470 | 51% |
| 13 Nov 2026 | $32.50 | $3.05 | $2.98/$3.55 | 0 | 1 | 64% |
| 13 Nov 2026 | $26.00 | $0.04 | $0.00/$0.03 | 0 | 208 | 62% |
| 13 Nov 2026 | $33.00 | $3.55 | $3.50/$4.90 | 0 | 35 | 123% |
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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