Biohaven (BHVN) Options Chain
NYSE: BHVNHealth 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
- $12.08
- Put/call ratio (OI)
- 0.06
- Put/call ratio (volume)
- 0.11
- Expected move
- ±$3.37
- Open interest (C / P)
- 586 / 34
BHVN options summary
The BHVN options chain for the November 20, 2026 expiration lists 8 call and 4 put contracts, with 40 days until expiration. Open interest stands at 586 calls and 34 puts, a put/call ratio of 0.06, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.00 strike is 84.2%, which implies the market expects a move of about ±$3.37 (27.9%) in Biohaven stock by expiration.
The most open interest sits at the $15.00 call (256 contracts) and the $11.00 put (14 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BHVN options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 7.00 | 2.00 | 4.70 | 10.00 | — | — | — | |||||
| — | — | — | 11.00 | 0.70 | 1.10 | 0.89 | |||||
| 1.55 | 1.15 | 1.60 | 12.00 | — | — | — | |||||
| 1.07 | 0.85 | 1.15 | 13.00 | 1.60 | 2.00 | 2.00 | |||||
| — | — | — | 14.00 | 2.30 | 3.40 | 2.00 | |||||
| 0.53 | 0.35 | 0.60 | 15.00 | — | — | — | |||||
| 0.45 | 0.15 | 0.75 | 16.00 | 3.90 | 5.10 | 3.47 | |||||
| 0.58 | 0.05 | 0.50 | 17.00 | — | — | — | |||||
| 0.64 | 0.00 | 0.75 | 18.00 | — | — | — | |||||
| 0.33 | 0.00 | 0.95 | 20.00 | — | — | — | |||||
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 BHVN put/call ratio?
For the November 20, 2026 expiration, the BHVN put/call ratio based on open interest is 0.06 (34 puts vs 586 calls), and 0.11 based on today's volume. A ratio above 1 means more puts than calls.
What is BHVN's implied volatility?
At-the-money implied volatility for BHVN options expiring November 20, 2026 is about 84.2%, an annualized estimate of how much the market expects Biohaven stock to move.
How many BHVN option expiration dates are there?
BHVN has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.