BeStock  
Stocks › Biotechnology › OABI

OmniAb OABI

US equityMarket cap rank #3551Biotechnology
$4.56 +$0.21 (+4.83%)
Pre-market · Oct 8, 8:20 am ET · After hours $4.61 +1.10%
Open$4.35
Prev close$4.35
Day range$4.30 – $4.75
Volume1.50M
Market cap$662.98M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 182%. 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

2.505.007.5010CallsPuts

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

-23%68%159%250%2.505.0010CallsPuts

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 $5.00 $0.25 $0.05/$0.45 0 1,621 150%
16 Oct 2026 $2.50 $1.86 $0.95/$2.95 0 18 0%
16 Oct 2026 $7.50 $0.01 $0.00/$0.20 0 83 167%
16 Oct 2026 $10.00 $0.00 $0.00/$0.15 0 0 171%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $5.00 $0.90 $0.00/$1.00 0 124 227%
16 Oct 2026 $2.50 $0.01 $0.00/$0.05 0 172 193%
16 Oct 2026 $7.50 $2.90 $2.30/$3.30 3 3 0%
16 Oct 2026 $10.00 $5.65 $4.20/$6.60 0 0 0%

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.

Discussion

No comments yet — be the first to weigh in on OABI.

Leave a comment

Scroll to Top