Aclaris Therapeutics (ACRS) Options Chain
NASDAQ: ACRSHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $3.83
- Put/call ratio (OI)
- 0.50
- Put/call ratio (volume)
- 0.71
- ATM implied volatility
- 109.2%
- Expected move
- ±$1.80
- Open interest (C / P)
- 4.78K / 2.40K
ACRS options summary
The ACRS options chain for the December 18, 2026 expiration lists 12 call and 9 put contracts, with 68 days until expiration. Open interest stands at 4,776 calls and 2,401 puts, a put/call ratio of 0.50, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 109.2%, which implies the market expects a move of about ±$1.80 (47.1%) in Aclaris Therapeutics stock by expiration.
The most open interest sits at the $2.00 call (1.88K contracts) and the $4.00 put (1.92K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ACRS options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.10 | 2.00 | 3.00 | 0.50 | 0.00 | 0.00 | 0.05 | |||||
| 3.60 | 1.70 | 2.70 | 1.00 | 0.00 | 1.00 | 0.05 | |||||
| 1.90 | 1.25 | 2.25 | 1.50 | 0.20 | 1.20 | 0.25 | |||||
| 2.65 | 3.10 | 4.10 | 2.00 | 0.15 | 1.10 | 0.45 | |||||
| 1.20 | 0.75 | 1.45 | 3.00 | 0.05 | 0.60 | 0.33 | |||||
| 2.04 | 0.35 | 1.00 | 4.00 | 0.50 | 1.10 | 0.75 | |||||
| 0.30 | 0.05 | 0.50 | 5.00 | 1.15 | 1.90 | 0.88 | |||||
| 0.70 | 0.00 | 0.40 | 6.00 | 1.05 | 4.50 | 1.15 | |||||
| 0.20 | 0.00 | 0.30 | 7.00 | 2.80 | 4.00 | 1.70 | |||||
| 0.95 | 0.00 | 1.20 | 8.00 | — | — | — | |||||
| 0.60 | 0.00 | 0.95 | 9.00 | — | — | — | |||||
| 0.25 | 0.00 | 0.75 | 10.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the ACRS put/call ratio?
For the December 18, 2026 expiration, the ACRS put/call ratio based on open interest is 0.50 (2,401 puts vs 4,776 calls), and 0.71 based on today's volume. A ratio above 1 means more puts than calls.
What is ACRS's implied volatility?
At-the-money implied volatility for ACRS options expiring December 18, 2026 is about 109.2%, an annualized estimate of how much the market expects Aclaris Therapeutics stock to move.
How many ACRS option expiration dates are there?
ACRS has 8 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.