BeStock  

Opko Health OPK

US equityMarket cap rank #3217Diagnostics & Research
$1.39 −$0.07 (-4.79%)
Pre-market · Oct 8, 9:00 am ET · After hours $1.39 -0.02%
Open$1.42
Prev close$1.46
Day range$1.38 – $1.43
Volume2.22M
Market cap$1.04B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 295%. 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

0.501.001.502.002.505.007.50CallsPuts

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

-109%327%762%1198%0.502.007.50CallsPuts

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 $1.50 $0.05 $0.00/$0.05 0 295 112%
16 Oct 2026 $1.00 $0.50 $0.00/$0.70 1 8 366%
16 Oct 2026 $2.00 $0.00 $0.00/$0.05 0 754 102%
16 Oct 2026 $0.50 $0.95 $0.60/$1.25 3 11 548%
16 Oct 2026 $2.50 $0.00 $0.00/$0.65 0 0 125%
16 Oct 2026 $5.00 $0.00 $0.00/$0.05 0 1 251%
16 Oct 2026 $7.50 $0.00 $0.00/$0.05 0 0 320%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $1.50 $0.15 $0.00/$0.15 4 320 97%
16 Oct 2026 $1.00 $0.00 $0.00/$0.05 0 21 83%
16 Oct 2026 $2.00 $0.54 $0.15/$1.15 0 0 225%
16 Oct 2026 $0.50 $0.00 $0.00/$0.45 0 0 223%
16 Oct 2026 $2.50 $1.04 $0.60/$1.60 0 0 0%
16 Oct 2026 $5.00 $3.54 $3.00/$4.20 0 0 0%
16 Oct 2026 $7.50 $6.04 $4.90/$8.00 0 0 1,089%

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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