CeriBell (CBLL) Options Chain
NASDAQ: CBLLHealth CareBiotechnology: Electromedical & Electrotherapeutic ApparatusUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $23.63
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.11
- Expected move
- ±$11.01
- Open interest (C / P)
- 301 / 4
CBLL options summary
The CBLL options chain for the March 19, 2027 expiration lists 7 call and 2 put contracts, with 159 days until expiration. Open interest stands at 301 calls and 4 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 70.6%, which implies the market expects a move of about ±$11.01 (46.6%) in CeriBell stock by expiration.
The most open interest sits at the $25.00 call (133 contracts) and the $12.50 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CBLL options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 15.50 | 12.10 | 15.90 | 10.00 | — | — | — | |||||
| — | — | — | 12.50 | 0.00 | 2.45 | 1.53 | |||||
| 10.34 | 7.50 | 11.40 | 15.00 | 0.00 | 2.75 | 2.68 | |||||
| 6.10 | 3.90 | 7.70 | 20.00 | — | — | — | |||||
| 4.20 | 4.00 | 5.70 | 22.50 | — | — | — | |||||
| 4.40 | 1.55 | 5.10 | 25.00 | — | — | — | |||||
| 1.90 | 0.05 | 3.70 | 30.00 | — | — | — | |||||
| 0.85 | 0.00 | 3.20 | 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 March 19, 2027 expiration, the CBLL put/call ratio based on open interest is 0.01 (4 puts vs 301 calls), and 0.11 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 March 19, 2027 is about 70.6%, 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.