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Erasca ERAS

US equityMarket cap rank #2081
$14.72 −$0.02 (-0.14%)
Market closed · Oct 5, 8:20 pm ET · Last extended-hours $14.72 0.00%
Open$14.74
Prev close$14.74
Day range$13.80 – $15.03
Volume5.49M
Market cap$5.15B
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 163%. 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 $15.00 $0.85 $0.60/$1.00 147 4,968 93%
16 Oct 2026 $12.50 $2.71 $1.90/$2.70 0 436 87%
16 Oct 2026 $17.50 $0.31 $0.05/$0.35 32 2,225 96%
16 Oct 2026 $10.00 $4.91 $4.50/$5.30 0 266 187%
16 Oct 2026 $20.00 $0.10 $0.05/$0.20 9 8,986 124%
16 Oct 2026 $7.50 $7.34 $6.00/$7.90 0 16 0%
16 Oct 2026 $22.50 $0.13 $0.00/$0.20 0 3,765 157%
16 Oct 2026 $5.00 $9.83 $8.50/$10.40 0 0 0%
16 Oct 2026 $25.00 $0.10 $0.00/$0.65 0 865 178%
16 Oct 2026 $2.50 $12.32 $11.00/$13.30 0 1 0%
16 Oct 2026 $30.00 $0.07 $0.00/$0.65 0 32 208%
16 Oct 2026 $35.00 $0.05 $0.00/$0.65 0 23 230%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $15.00 $1.32 $0.95/$1.25 20 1,401 83%
16 Oct 2026 $12.50 $0.30 $0.15/$0.65 44 729 126%
16 Oct 2026 $17.50 $2.93 $2.85/$3.60 0 243 124%
16 Oct 2026 $10.00 $0.08 $0.00/$0.65 0 1,584 143%
16 Oct 2026 $20.00 $5.34 $4.90/$6.00 0 1,341 125%
16 Oct 2026 $7.50 $0.01 $0.00/$0.65 0 17 165%
16 Oct 2026 $22.50 $7.82 $7.20/$8.90 0 25 182%
16 Oct 2026 $5.00 $0.00 $0.00/$0.05 0 40 190%
16 Oct 2026 $25.00 $10.30 $9.90/$11.50 0 3 242%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 0 281%
16 Oct 2026 $30.00 $15.27 $14.20/$16.50 0 0 184%
16 Oct 2026 $35.00 $20.26 $19.20/$21.50 0 0 217%

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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