Bicycle Therapeutics (BCYC) Options Chain
NASDAQ: BCYCHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $3.89
- Put/call ratio (OI)
- 0.30
- Put/call ratio (volume)
- 4.00
- ATM implied volatility
- 319.5%
- Expected move
- ±$4.11
- Open interest (C / P)
- 66 / 20
BCYC options summary
The BCYC options chain for the November 20, 2026 expiration lists 3 call and 1 put contracts, with 40 days until expiration. Open interest stands at 66 calls and 20 puts, a put/call ratio of 0.30, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 319.5%, which implies the market expects a move of about ±$4.11 (105.8%) in Bicycle Therapeutics stock by expiration.
The most open interest sits at the $4.00 call (66 contracts) and the $4.00 put (20 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BCYC options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.30 | 0.00 | 5.00 | 4.00 | 0.00 | 0.50 | 0.35 | |||||
| 0.15 | — | — | 5.00 | — | — | — | |||||
| 0.20 | — | — | 6.00 | — | — | — | |||||
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 November 20, 2026 expiration, the BCYC put/call ratio based on open interest is 0.30 (20 puts vs 66 calls), and 4.00 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 November 20, 2026 is about 319.5%, 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.