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Puma Biotechnology PBYI

US equityMarket cap rank #3746Biotechnology
$9.60 −$0.22 (-2.19%)
Market open · Oct 8, 10:00 am ET · After hours $9.81 0.00%
Open$9.75
Prev close$9.81
Day range$9.59 – $9.75
Volume19.4K
Market cap$495.29M
P/E (TTM)18.8
Dividend yield–

Average implied volatility across the listed chain right now: 202%. 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

2.505.007.5010131518CallsPuts

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

-53%158%368%578%2.501018CallsPuts

The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $10.00 $0.44 $0.35/$0.45 0 418 81%
16 Oct 2026 $7.50 $2.25 $1.85/$2.75 2 6 0%
16 Oct 2026 $12.50 $0.03 $0.00/$0.20 0 11 95%
16 Oct 2026 $5.00 $4.50 $3.90/$6.90 0 0 525%
16 Oct 2026 $15.00 $0.00 $0.00/$1.75 0 2 103%
16 Oct 2026 $2.50 $7.00 $6.00/$7.90 0 0 0%
16 Oct 2026 $17.50 $0.00 $0.00/$1.00 0 0 107%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $10.00 $1.02 $0.15/$0.95 0 27 76%
16 Oct 2026 $7.50 $0.01 $0.00/$1.25 0 42 81%
16 Oct 2026 $12.50 $3.11 $1.40/$5.00 0 0 224%
16 Oct 2026 $5.00 $0.00 $0.00/$1.75 0 0 156%
16 Oct 2026 $15.00 $5.58 $4.60/$7.50 0 0 372%
16 Oct 2026 $2.50 $0.00 $0.00/$1.75 0 0 256%
16 Oct 2026 $17.50 $8.07 $7.20/$9.10 0 0 350%

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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