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Aclaris Therapeutics ACRS

US equityMarket cap rank #3745Biotechnology
$3.40 −$0.30 (-8.11%)
Pre-market · Oct 8, 9:00 am ET · After hours $3.46 +1.76%
Open$3.60
Prev close$3.70
Day range$3.32 – $3.62
Volume9.00M
Market cap$500.48M
P/E (TTM)–
Dividend yield–

Average implied volatility across the listed chain right now: 269%. 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

1.003.005.007.009.001112CallsPuts

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

-62%187%437%687%1.006.0012CallsPuts

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 $3.00 $0.90 $0.15/$1.10 0 0 204%
16 Oct 2026 $4.00 $0.40 $0.00/$0.75 0 0 297%
16 Oct 2026 $2.00 $1.72 $1.40/$1.95 0 3 503%
16 Oct 2026 $5.00 $0.16 $0.00/$0.50 0 219 275%
16 Oct 2026 $1.00 $2.70 $2.00/$2.95 0 5 624%
16 Oct 2026 $6.00 $0.06 $0.00/$0.50 0 445 264%
16 Oct 2026 $7.00 $0.02 $0.00/$1.75 0 158 259%
16 Oct 2026 $8.00 $0.01 $0.00/$1.75 0 66 255%
16 Oct 2026 $9.00 $0.00 $0.00/$1.75 0 1 252%
16 Oct 2026 $10.00 $0.00 $0.00/$1.75 0 2 250%
16 Oct 2026 $11.00 $0.00 $0.00/$1.75 0 0 250%
16 Oct 2026 $12.00 $0.00 $0.00/$0.30 0 2 245%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $3.00 $0.25 $0.00/$0.40 4 124 219%
16 Oct 2026 $4.00 $0.75 $0.55/$1.00 1 2 184%
16 Oct 2026 $2.00 $0.01 $0.00/$0.25 0 0 207%
16 Oct 2026 $5.00 $1.60 $1.25/$1.95 5 283 1%
16 Oct 2026 $1.00 $0.00 $0.00/$0.05 0 0 248%
16 Oct 2026 $6.00 $2.48 $2.40/$3.00 100 455 302%
16 Oct 2026 $7.00 $3.32 $2.80/$4.00 0 1 0%
16 Oct 2026 $8.00 $4.31 $3.80/$5.00 0 0 0%
16 Oct 2026 $9.00 $5.30 $4.80/$6.00 0 0 0%
16 Oct 2026 $10.00 $6.30 $5.70/$7.10 0 0 0%
16 Oct 2026 $11.00 $7.30 $6.70/$8.10 0 0 0%
16 Oct 2026 $12.00 $8.30 $7.70/$9.10 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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