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Cullinan Therapeutics CGEM

US equityMarket cap rank #3236Biotechnology
$15.63 −$0.62 (-3.82%)
Pre-market · Oct 8, 8:00 am ET · After hours $15.63 0.00%
Open$15.95
Prev close$16.25
Day range$15.47 – $16.46
Volume808.2K
Market cap$1.01B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 188%. 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

3.006.009.0012151821242735CallsPuts

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

-89%266%620%974%3.001635CallsPuts

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 $16.00 $1.18 $0.00/$4.90 0 76 141%
16 Oct 2026 $15.00 $1.83 $0.10/$4.90 0 5 235%
16 Oct 2026 $17.00 $0.05 $0.05/$4.90 15 46 318%
16 Oct 2026 $14.00 $2.54 $0.20/$4.90 0 2 179%
16 Oct 2026 $18.00 $0.48 $0.00/$4.90 0 37 133%
16 Oct 2026 $13.00 $3.38 $1.00/$4.90 0 26 138%
16 Oct 2026 $19.00 $0.42 $0.00/$4.80 0 10 149%
16 Oct 2026 $12.00 $4.30 $2.00/$6.00 0 1 186%
16 Oct 2026 $20.00 $0.36 $0.00/$1.70 0 119 161%
16 Oct 2026 $11.00 $5.27 $3.00/$7.00 0 0 228%
16 Oct 2026 $21.00 $0.29 $0.00/$4.90 0 17 170%
16 Oct 2026 $10.00 $6.26 $4.00/$8.00 0 1 272%
16 Oct 2026 $22.00 $0.30 $0.00/$4.80 30 45 188%
16 Oct 2026 $9.00 $7.26 $5.00/$9.00 0 1 321%
16 Oct 2026 $23.00 $0.30 $0.00/$4.90 20 21 204%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $16.00 $0.91 $0.00/$1.50 0 332 75%
16 Oct 2026 $15.00 $0.56 $0.20/$0.75 0 1,162 81%
16 Oct 2026 $17.00 $1.28 $0.00/$4.90 0 124 0%
16 Oct 2026 $14.00 $0.28 $0.00/$4.90 0 239 96%
16 Oct 2026 $18.00 $2.22 $0.40/$4.90 0 145 107%
16 Oct 2026 $13.00 $0.12 $0.00/$1.00 0 1 100%
16 Oct 2026 $19.00 $3.15 $1.00/$4.90 0 384 0%
16 Oct 2026 $12.00 $0.04 $0.00/$4.90 0 0 103%
16 Oct 2026 $20.00 $4.09 $2.00/$6.00 0 227 0%
16 Oct 2026 $11.00 $0.01 $0.00/$0.05 0 2 105%
16 Oct 2026 $21.00 $5.02 $3.00/$7.00 0 0 0%
16 Oct 2026 $10.00 $0.00 $0.00/$4.90 0 2 106%
16 Oct 2026 $22.00 $5.96 $4.00/$8.00 0 0 0%
16 Oct 2026 $9.00 $0.00 $0.00/$4.90 0 4 108%
16 Oct 2026 $23.00 $6.89 $5.00/$9.00 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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