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Pacific Biosciences of California PACB

US equityMarket cap rank #3366Medical Devices
$2.72 +$0.02 (+0.74%)
Pre-market · Oct 8, 8:10 am ET · After hours $2.70 -0.74%
Open$2.62
Prev close$2.70
Day range$2.50 – $2.74
Volume20.37M
Market cap$845.46M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 234%. 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

0.501.001.502.003.004.005.006.00CallsPuts

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

-42%125%291%458%0.502.006.00CallsPuts

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 $3.00 $0.12 $0.00/$0.15 181 8,788 135%
16 Oct 2026 $2.00 $0.65 $0.65/$0.80 15 2,237 102%
16 Oct 2026 $1.50 $1.30 $1.00/$1.30 10 3,042 0%
16 Oct 2026 $4.00 $0.05 $0.00/$0.05 0 477 202%
16 Oct 2026 $1.00 $1.70 $1.25/$2.00 0 36 0%
16 Oct 2026 $0.50 $2.20 $1.75/$2.50 0 2 0%
16 Oct 2026 $5.00 $0.03 $0.00/$0.05 0 297 240%
16 Oct 2026 $6.00 $0.02 $0.00/$1.00 0 0 267%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $3.00 $0.45 $0.30/$0.50 67 229 137%
16 Oct 2026 $2.00 $0.04 $0.00/$0.05 24 3,149 179%
16 Oct 2026 $1.50 $0.01 $0.00/$0.05 0 127 217%
16 Oct 2026 $4.00 $1.30 $1.25/$1.50 36 2 248%
16 Oct 2026 $1.00 $0.00 $0.00/$0.05 0 19 247%
16 Oct 2026 $0.50 $0.00 $0.00/$0.05 0 0 346%
16 Oct 2026 $5.00 $2.35 $1.85/$2.85 1 1 305%
16 Oct 2026 $6.00 $3.32 $2.90/$3.90 0 0 416%

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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