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Avalyn Pharma AVLN

US equityMarket cap rank #3150Biotechnology
$25.53 +$0.10 (+0.39%)
Market closed · Oct 8, 7:00 am ET · Last extended-hours $25.53 0.00%
Open$25.30
Prev close$25.43
Day range$25.26 – $26.31
Volume202.9K
Market cap$1.13B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 122%. 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

20253035404550CallsPuts

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

39%112%185%258%203550CallsPuts

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 $25.00 $1.20 $1.05/$1.40 0 0 60%
16 Oct 2026 $30.00 $0.15 $0.00/$0.25 0 2 81%
16 Oct 2026 $20.00 $5.45 $3.80/$8.00 0 0 148%
16 Oct 2026 $35.00 $0.02 $0.00/$0.25 0 14 94%
16 Oct 2026 $40.00 $0.00 $0.00/$0.25 0 1 105%
16 Oct 2026 $45.00 $0.00 $0.00/$4.90 0 0 113%
16 Oct 2026 $50.00 $0.00 $0.00/$4.90 0 0 121%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $25.00 $0.75 $0.50/$0.75 0 0 57%
16 Oct 2026 $30.00 $4.70 $2.40/$7.00 0 20 94%
16 Oct 2026 $20.00 $0.00 $0.00/$0.25 0 0 64%
16 Oct 2026 $35.00 $9.58 $7.50/$11.50 0 10 108%
16 Oct 2026 $40.00 $14.57 $12.50/$17.00 0 0 202%
16 Oct 2026 $45.00 $19.57 $17.50/$22.00 0 0 240%
16 Oct 2026 $50.00 $24.57 $22.10/$27.00 0 0 225%

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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