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Pfizer PFE

$28.48
+$0.30 (+1.05%)
Market open · Sep 24, 1:10 pm ET
After hours $28.19 +0.02%
Open$28.20
Prev close$28.18
Day range$28.20 – $28.85
Volume18.08M
Market cap$162.27B
P/E (TTM)37.5
Dividend yield6.04%

Average implied volatility across the listed chain right now: 48%. 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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
25 Sep 2026 $28.50 $0.04 $0.03/$0.05 63 9,602 22%
25 Sep 2026 $28.00 $0.10 $0.09/$0.10 295 3,622 20%
25 Sep 2026 $29.00 $0.02 $0.01/$0.03 468 2,733 23%
25 Sep 2026 $27.50 $0.24 $0.23/$0.25 216 1,712 19%
25 Sep 2026 $29.50 $0.01 $0.00/$0.02 45 718 27%
25 Sep 2026 $27.00 $0.55 $0.53/$0.56 97 795 20%
25 Sep 2026 $30.00 $0.01 $0.00/$0.02 2 1,602 32%
25 Sep 2026 $26.50 $0.97 $0.91/$1.01 76 532 23%
25 Sep 2026 $30.50 $0.00 $0.00/$0.22 0 184 28%
25 Sep 2026 $26.00 $1.42 $1.39/$1.48 16 375 27%
25 Sep 2026 $31.00 $0.00 $0.00/$0.01 0 166 28%
25 Sep 2026 $25.50 $1.94 $1.85/$1.97 1 138 28%
25 Sep 2026 $25.00 $2.42 $2.29/$2.46 1 136 0%
25 Sep 2026 $32.00 $0.00 $0.00/$0.21 0 123 32%
25 Sep 2026 $24.50 $3.19 $2.83/$3.35 2 53 74%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
25 Sep 2026 $28.50 $1.15 $1.10/$1.25 5 1,116 25%
25 Sep 2026 $28.00 $0.66 $0.69/$0.72 55 526 20%
25 Sep 2026 $29.00 $1.60 $1.52/$1.67 3 102 0%
25 Sep 2026 $27.50 $0.35 $0.33/$0.37 44 2,640 19%
25 Sep 2026 $29.50 $2.16 $1.83/$2.28 1 1 0%
25 Sep 2026 $27.00 $0.14 $0.13/$0.15 570 1,681 20%
25 Sep 2026 $30.00 $2.36 $2.51/$2.77 0 0 39%
25 Sep 2026 $26.50 $0.06 $0.04/$0.06 40 759 21%
25 Sep 2026 $30.50 $2.86 $2.73/$4.05 0 1 79%
25 Sep 2026 $26.00 $0.02 $0.01/$0.03 66 574 23%
25 Sep 2026 $31.00 $3.36 $3.35/$4.35 0 0 82%
25 Sep 2026 $25.50 $0.02 $0.00/$0.03 0 406 29%
25 Sep 2026 $25.00 $0.02 $0.00/$0.02 0 3,673 35%
25 Sep 2026 $32.00 $4.36 $4.15/$5.30 0 0 79%
25 Sep 2026 $24.50 $0.01 $0.00/$0.01 0 255 40%

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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