Crescent Biopharma (CBIO) Options Chain
NASDAQ: CBIOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
Market open · Delayed 15 min · as of Oct 9, 10:39 AM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $14.78
- Put/call ratio (OI)
- 0.89
- Put/call ratio (volume)
- 12.00
- ATM implied volatility
- 130.6%
- Expected move
- ±$2.67
- Open interest (C / P)
- 27 / 24
CBIO options summary
The CBIO options chain for the October 16, 2026 expiration lists 5 call and 5 put contracts, with 7 days until expiration. Open interest stands at 27 calls and 24 puts, a put/call ratio of 0.89, which is fairly balanced between calls and puts. At-the-money implied volatility near the $15.00 strike is 130.6%, which implies the market expects a move of about ±$2.67 (18.1%) in Crescent Biopharma stock by expiration.
The most open interest sits at the $2.50 call (23 contracts) and the $12.50 put (13 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CBIO options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 12.10 | 10.00 | 14.50 | 2.50 | — | — | — | |||||
| — | — | — | 7.50 | — | — | 0.12 | |||||
| — | — | — | 10.00 | 0.00 | 0.05 | 0.05 | |||||
| — | — | — | 12.50 | 0.00 | 4.90 | 0.25 | |||||
| 6.21 | 0.00 | 2.10 | 15.00 | 0.00 | 2.50 | 0.73 | |||||
| 2.15 | 0.00 | 4.90 | 17.50 | — | — | — | |||||
| 2.71 | 0.00 | 4.90 | 20.00 | — | — | — | |||||
| — | — | — | 22.50 | 5.50 | 10.00 | 3.80 | |||||
| 0.01 | 0.00 | 4.90 | 25.00 | — | — | — | |||||
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 CBIO put/call ratio?
For the October 16, 2026 expiration, the CBIO put/call ratio based on open interest is 0.89 (24 puts vs 27 calls), and 12.00 based on today's volume. A ratio above 1 means more puts than calls.
What is CBIO's implied volatility?
At-the-money implied volatility for CBIO options expiring October 16, 2026 is about 130.6%, an annualized estimate of how much the market expects Crescent Biopharma stock to move.
How many CBIO option expiration dates are there?
CBIO has 5 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.