Cellectis S.A. (CLLS) Options Chain
NASDAQ: CLLSHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $1.25
- Put/call ratio (OI)
- 0.10
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 539.1%
- Expected move
- ±$0.9976
- Open interest (C / P)
- 20 / 2
CLLS options summary
The CLLS options chain for the October 16, 2026 expiration lists 1 call and 1 put contracts, with 8 days until expiration. Open interest stands at 20 calls and 2 puts, a put/call ratio of 0.10, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 539.1%, which implies the market expects a move of about ±$0.9976 (79.8%) in Cellectis S.A. stock by expiration.
The most open interest sits at the $2.50 call (20 contracts) and the $2.50 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CLLS options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.05 | 0.00 | 0.05 | 2.50 | 0.00 | 3.10 | 0.70 | |||||
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 CLLS put/call ratio?
For the October 16, 2026 expiration, the CLLS put/call ratio based on open interest is 0.10 (2 puts vs 20 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is CLLS's implied volatility?
At-the-money implied volatility for CLLS options expiring October 16, 2026 is about 539.1%, an annualized estimate of how much the market expects Cellectis S.A. stock to move.
How many CLLS option expiration dates are there?
CLLS has 3 listed expiration dates, from Oct 16, 2026 to Feb 19, 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.