C4 Therapeutics (CCCC) Options Chain
NASDAQ: CCCCHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $3.16
- Put/call ratio (OI)
- 0.45
- Put/call ratio (volume)
- 0.62
- Expected move
- ±$1.31
- Open interest (C / P)
- 603 / 271
CCCC options summary
The CCCC options chain for the December 18, 2026 expiration lists 8 call and 5 put contracts, with 68 days until expiration. Open interest stands at 603 calls and 271 puts, a put/call ratio of 0.45, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $3.00 strike is 95.9%, which implies the market expects a move of about ±$1.31 (41.4%) in C4 Therapeutics stock by expiration.
The most open interest sits at the $4.00 call (364 contracts) and the $4.00 put (127 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CCCC options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 1.00 | 0.00 | 0.50 | 0.03 | |||||
| 1.97 | 0.70 | 1.70 | 2.00 | 0.00 | 0.50 | 0.20 | |||||
| 0.60 | 0.30 | 0.85 | 3.00 | 0.00 | 0.90 | 0.45 | |||||
| 0.20 | 0.10 | 0.35 | 4.00 | 0.90 | 1.50 | 0.95 | |||||
| 0.10 | 0.00 | 0.60 | 5.00 | 1.25 | 2.15 | 2.00 | |||||
| 0.35 | 0.00 | 0.75 | 6.00 | — | — | — | |||||
| 0.10 | 0.00 | 1.00 | 7.00 | — | — | — | |||||
| 0.05 | 0.00 | 1.00 | 8.00 | — | — | — | |||||
| 0.15 | 0.00 | 0.00 | 9.00 | — | — | — | |||||
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 CCCC put/call ratio?
For the December 18, 2026 expiration, the CCCC put/call ratio based on open interest is 0.45 (271 puts vs 603 calls), and 0.62 based on today's volume. A ratio above 1 means more puts than calls.
What is CCCC's implied volatility?
At-the-money implied volatility for CCCC options expiring December 18, 2026 is about 95.9%, an annualized estimate of how much the market expects C4 Therapeutics stock to move.
How many CCCC option expiration dates are there?
CCCC has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.