Connect Biopharma (CNTB) Options Chain
NASDAQ: CNTBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 0.89 +1.06%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $0.8807
- Put/call ratio (OI)
- 0.10
- Put/call ratio (volume)
- 8.67
- ATM implied volatility
- 604.7%
- Expected move
- ±$0.7884
- Open interest (C / P)
- 1.74K / 173
CNTB options summary
The CNTB options chain for the October 16, 2026 expiration lists 3 call and 2 put contracts, with 8 days until expiration. Open interest stands at 1,739 calls and 173 puts, a put/call ratio of 0.10, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 604.7%, which implies the market expects a move of about ±$0.7884 (89.5%) in Connect Biopharma stock by expiration.
The most open interest sits at the $2.50 call (1.67K contracts) and the $2.50 put (171 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CNTB options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.05 | 0.00 | 0.05 | 2.50 | 1.15 | 1.80 | 1.60 | |||||
| 0.05 | 0.00 | 0.05 | 5.00 | 3.60 | 4.60 | 3.80 | |||||
| 0.02 | 0.00 | 0.25 | 7.50 | — | — | — | |||||
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 CNTB put/call ratio?
For the October 16, 2026 expiration, the CNTB put/call ratio based on open interest is 0.10 (173 puts vs 1,739 calls), and 8.67 based on today's volume. A ratio above 1 means more puts than calls.
What is CNTB's implied volatility?
At-the-money implied volatility for CNTB options expiring October 16, 2026 is about 604.7%, an annualized estimate of how much the market expects Connect Biopharma stock to move.
How many CNTB option expiration dates are there?
CNTB 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.