CeriBell (CBLL) Options Chain
NASDAQ: CBLLHealth CareBiotechnology: Electromedical & Electrotherapeutic ApparatusUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 69
- Share price
- $23.63
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$6.01
- Open interest (C / P)
- 145 / 2
CBLL options summary
The CBLL options chain for the December 18, 2026 expiration lists 7 call and 2 put contracts, with 69 days until expiration. Open interest stands at 145 calls and 2 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.50 strike is 58.5%, which implies the market expects a move of about ±$6.01 (25.4%) in CeriBell stock by expiration.
The most open interest sits at the $25.00 call (56 contracts) and the $22.50 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CBLL options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 7.69 | 4.10 | 7.00 | 15.00 | — | — | — | |||||
| 4.50 | 0.00 | 0.00 | 17.50 | — | — | — | |||||
| 4.00 | 0.00 | 0.00 | 20.00 | — | — | — | |||||
| 3.84 | 1.30 | 4.90 | 22.50 | 0.20 | 3.10 | 2.30 | |||||
| 2.00 | 1.50 | 4.00 | 25.00 | 0.00 | 0.00 | 3.40 | |||||
| 0.85 | 0.00 | 2.45 | 30.00 | — | — | — | |||||
| 1.90 | 0.00 | 1.15 | 35.00 | — | — | — | |||||
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 CBLL put/call ratio?
For the December 18, 2026 expiration, the CBLL put/call ratio based on open interest is 0.01 (2 puts vs 145 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is CBLL's implied volatility?
At-the-money implied volatility for CBLL options expiring December 18, 2026 is about 58.5%, an annualized estimate of how much the market expects CeriBell stock to move.
How many CBLL option expiration dates are there?
CBLL has 4 listed expiration dates, from Oct 16, 2026 to Mar 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.