Aclaris Therapeutics (ACRS) Options Chain
NASDAQ: ACRSHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $3.83
- Put/call ratio (OI)
- 0.49
- Put/call ratio (volume)
- 2.60
- ATM implied volatility
- 114.7%
- Expected move
- ±$1.45
- Open interest (C / P)
- 1.06K / 522
ACRS options summary
The ACRS options chain for the November 20, 2026 expiration lists 9 call and 5 put contracts, with 40 days until expiration. Open interest stands at 1,063 calls and 522 puts, a put/call ratio of 0.49, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 114.7%, which implies the market expects a move of about ±$1.45 (38.0%) in Aclaris Therapeutics stock by expiration.
The most open interest sits at the $5.00 call (347 contracts) and the $4.00 put (154 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ACRS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.99 | 2.20 | 3.30 | 1.00 | — | — | — | |||||
| — | — | — | 2.00 | 0.00 | 0.95 | 0.25 | |||||
| 2.60 | 0.75 | 1.40 | 3.00 | — | — | — | |||||
| 0.45 | 0.25 | 0.75 | 4.00 | 0.55 | 0.85 | 0.91 | |||||
| 0.30 | 0.05 | 0.45 | 5.00 | 1.15 | 1.90 | 0.70 | |||||
| 0.15 | 0.10 | 0.55 | 6.00 | 1.85 | 2.75 | 1.45 | |||||
| 0.30 | 0.00 | 0.75 | 7.00 | 2.70 | 3.90 | 2.17 | |||||
| 0.17 | 0.00 | 0.25 | 8.00 | — | — | — | |||||
| 0.80 | 0.20 | 1.00 | 9.00 | — | — | — | |||||
| 0.05 | 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 November 20, 2026 expiration, the ACRS put/call ratio based on open interest is 0.49 (522 puts vs 1,063 calls), and 2.60 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 November 20, 2026 is about 114.7%, 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.