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Denali Therapeutics DNLI

US equityMarket cap rank #2435Biotechnology
$19.91 −$0.09 (-0.45%)
Pre-market · Oct 6, 8:20 am ET · After hours $19.91 0.00%
Open$20.09
Prev close$20.00
Day range$19.54 – $20.09
Volume1.72M
Market cap$3.18B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 143%. 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.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $20.00 $1.72 $0.00/$1.30 0 170 131%
16 Oct 2026 $17.50 $3.17 $0.45/$4.50 0 0 51%
16 Oct 2026 $22.50 $0.13 $0.00/$0.65 54 19 61%
16 Oct 2026 $15.00 $5.19 $2.85/$6.80 0 0 0%
16 Oct 2026 $25.00 $0.87 $0.00/$1.75 0 686 178%
16 Oct 2026 $12.50 $7.55 $5.30/$9.40 0 0 0%
16 Oct 2026 $30.00 $0.75 $0.00/$1.10 0 1 234%
16 Oct 2026 $35.00 $0.63 $0.00/$2.35 0 0 271%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $20.00 $1.67 $0.00/$3.20 0 1 122%
16 Oct 2026 $17.50 $0.63 $0.00/$1.00 0 3 123%
16 Oct 2026 $22.50 $3.38 $1.00/$4.90 0 5 89%
16 Oct 2026 $15.00 $0.15 $0.00/$2.35 0 1 124%
16 Oct 2026 $25.00 $5.82 $3.50/$7.40 0 0 130%
16 Oct 2026 $12.50 $0.02 $0.00/$2.35 0 0 125%
16 Oct 2026 $30.00 $10.70 $8.30/$12.30 0 0 169%
16 Oct 2026 $35.00 $15.57 $13.30/$17.10 0 0 191%

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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