Clene (CLNN) Options Chain
NASDAQ: CLNNHealth 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
- $3.86
- Put/call ratio (OI)
- 0.67
- Put/call ratio (volume)
- 1.00
- ATM implied volatility
- 269.7%
- Expected move
- ±$3.45
- Open interest (C / P)
- 6 / 4
CLNN options summary
The CLNN options chain for the November 20, 2026 expiration lists 1 call and 1 put contracts, with 40 days until expiration. Open interest stands at 6 calls and 4 puts, a put/call ratio of 0.67, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 269.7%, which implies the market expects a move of about ±$3.45 (89.3%) in Clene stock by expiration.
The most open interest sits at the $5.00 call (6 contracts) and the $5.00 put (4 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CLNN options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.45 | 0.00 | 1.50 | 5.00 | 0.00 | 4.90 | 2.00 | |||||
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 November 20, 2026 expiration, the CLNN put/call ratio based on open interest is 0.67 (4 puts vs 6 calls), and 1.00 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 November 20, 2026 is about 269.7%, 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.