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Integra Lifesciences IART

US equityMarket cap rank #3233Medical DevicesBrain-Computer Interface
$13.00 −$0.32 (-2.40%)
Pre-market · Oct 8, 9:00 am ET · After hours $13.00 0.00%
Open$13.19
Prev close$13.32
Day range$12.98 – $13.46
Volume1.41M
Market cap$1.01B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 220%. 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

2.507.501318233035CallsPuts

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

-99%298%696%1094%2.501535CallsPuts

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 $12.50 $1.06 $0.00/$3.00 0 1 101%
16 Oct 2026 $15.00 $0.23 $0.00/$2.15 0 20 106%
16 Oct 2026 $10.00 $3.36 $2.20/$4.90 0 0 235%
16 Oct 2026 $17.50 $0.06 $0.00/$1.15 0 10 120%
16 Oct 2026 $7.50 $5.85 $3.70/$7.60 0 0 261%
16 Oct 2026 $20.00 $0.02 $0.00/$2.15 0 1 131%
16 Oct 2026 $5.00 $8.35 $6.60/$10.00 0 0 504%
16 Oct 2026 $22.50 $0.01 $0.00/$0.10 0 0 141%
16 Oct 2026 $2.50 $10.85 $9.40/$12.60 0 0 994%
16 Oct 2026 $25.00 $0.00 $0.00/$1.15 0 0 152%
16 Oct 2026 $30.00 $0.00 $0.00/$1.15 0 0 148%
16 Oct 2026 $35.00 $0.00 $0.00/$1.15 0 0 172%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $12.50 $0.20 $0.00/$0.30 0 21 53%
16 Oct 2026 $15.00 $1.88 $1.00/$2.80 0 15 0%
16 Oct 2026 $10.00 $0.00 $0.00/$1.15 0 0 69%
16 Oct 2026 $17.50 $4.50 $3.60/$6.00 30 31 185%
16 Oct 2026 $7.50 $0.00 $0.00/$1.15 0 0 104%
16 Oct 2026 $20.00 $6.68 $5.00/$8.40 0 0 0%
16 Oct 2026 $5.00 $0.00 $0.00/$0.05 0 0 177%
16 Oct 2026 $22.50 $9.18 $7.50/$10.90 0 0 0%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 0 302%
16 Oct 2026 $25.00 $11.68 $9.90/$13.80 0 0 0%
16 Oct 2026 $30.00 $16.68 $15.20/$18.40 0 0 0%
16 Oct 2026 $35.00 $21.68 $20.10/$23.80 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.

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