Bicycle Therapeutics (BCYC) Options Chain
NASDAQ: BCYCHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $3.89
- Put/call ratio (OI)
- 1.36
- Put/call ratio (volume)
- 2.72
- Expected move
- ±$1.16
- Open interest (C / P)
- 2.77K / 3.76K
BCYC options summary
The BCYC options chain for the December 18, 2026 expiration lists 10 call and 4 put contracts, with 68 days until expiration. Open interest stands at 2,766 calls and 3,762 puts, a put/call ratio of 1.36, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $4.00 strike is 69.3%, which implies the market expects a move of about ±$1.16 (29.9%) in Bicycle Therapeutics stock by expiration.
The most open interest sits at the $5.00 call (2.13K contracts) and the $3.00 put (2.68K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BCYC options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.54 | 0.50 | 5.30 | 1.00 | — | — | — | |||||
| 1.82 | 0.10 | 4.90 | 2.00 | 0.00 | 0.00 | 0.05 | |||||
| 1.25 | 0.00 | 4.90 | 3.00 | 0.00 | 0.15 | 0.11 | |||||
| 0.01 | 0.00 | 1.00 | 4.00 | 0.30 | 0.60 | 0.50 | |||||
| 0.25 | 0.20 | 0.45 | 5.00 | — | — | — | |||||
| 0.20 | 0.00 | 1.15 | 6.00 | — | — | — | |||||
| 0.15 | 0.00 | 4.90 | 7.00 | 1.00 | 5.50 | 2.63 | |||||
| 0.05 | 0.05 | 4.90 | 8.00 | — | — | — | |||||
| 0.05 | 0.00 | 4.90 | 9.00 | — | — | — | |||||
| 0.05 | 0.00 | 4.90 | 10.00 | — | — | — | |||||
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 BCYC put/call ratio?
For the December 18, 2026 expiration, the BCYC put/call ratio based on open interest is 1.36 (3,762 puts vs 2,766 calls), and 2.72 based on today's volume. A ratio above 1 means more puts than calls.
What is BCYC's implied volatility?
At-the-money implied volatility for BCYC options expiring December 18, 2026 is about 69.3%, an annualized estimate of how much the market expects Bicycle Therapeutics stock to move.
How many BCYC option expiration dates are there?
BCYC 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.