Clene (CLNN) Options Chain
NASDAQ: CLNNHealth 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
- $3.88
- Put/call ratio (OI)
- 38.00
- Put/call ratio (volume)
- 10.13
- ATM implied volatility
- 1250.8%
- Expected move
- ±$7.18
- Open interest (C / P)
- 4 / 152
CLNN options summary
The CLNN options chain for the October 16, 2026 expiration lists 1 call and 1 put contracts, with 8 days until expiration. Open interest stands at 4 calls and 152 puts, a put/call ratio of 38.00, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $5.00 strike is 1250.8%, which implies the market expects a move of about ±$7.18 (185.2%) in Clene stock by expiration.
The most open interest sits at the $5.00 call (4 contracts) and the $2.50 put (152 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CLNN options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 2.50 | 0.00 | 0.05 | 0.05 | |||||
| 0.60 | 0.00 | 4.90 | 5.00 | — | — | — | |||||
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 CLNN put/call ratio?
For the October 16, 2026 expiration, the CLNN put/call ratio based on open interest is 38.00 (152 puts vs 4 calls), and 10.13 based on today's volume. A ratio above 1 means more puts than calls.
What is CLNN's implied volatility?
At-the-money implied volatility for CLNN options expiring October 16, 2026 is about 1250.8%, an annualized estimate of how much the market expects Clene stock to move.
How many CLNN option expiration dates are there?
CLNN has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.