Biohaven (BHVN) Options Chain

NYSE: BHVNHealth CareBiotechnology: Pharmaceutical PreparationsUSD

12.08+0.15 (+1.26%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $12.08
Put/call ratio (OI): 0.22
Put/call ratio (volume): 0.90
ATM implied volatility: 73.2%
Expected move: ±$1.23
Open interest (C / P): 42.49K / 9.29K

BHVN options summary

The BHVN options chain for the October 16, 2026 expiration lists 21 call and 17 put contracts, with 7 days until expiration. Open interest stands at 42,495 calls and 9,288 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.00 strike is 73.2%, which implies the market expects a move of about ±$1.23 (10.1%) in Biohaven stock by expiration.

The most open interest sits at the $10.00 call (10.08K contracts) and the $14.00 put (3.01K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

BHVN options chain · October 16, 2026

BHVN calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
1	—	3300.0%	8.62	9.90	14.00	3.00	—	—	—	—	—	—
—	—	—	—	—	—	5.00	0.00	0.00	0.60	50.0%	1	0
—	—	—	—	—	—	6.00	0.00	0.95	0.25	504.7%	2	6
22	2	847.3%	7.95	6.40	7.90	7.00	0.00	0.00	0.10	50.0%	1	0
32	5	716.4%	7.89	5.20	7.10	8.00	0.00	0.75	0.40	310.2%	1	2
51	2	840.2%	7.17	5.10	7.50	9.00	0.00	0.75	0.05	245.3%	3	140
10,083	9	205.1%	2.70	1.60	2.55	10.00	0.00	0.15	0.13	106.3%	3	2,237
225	1	151.9%	0.94	0.45	1.60	11.00	0.00	0.50	0.40	102.7%	1	143
1,041	21	69.1%	0.60	0.30	0.70	12.00	0.40	0.55	0.60	77.3%	1	129
BHVN $12.08
179	1	99.6%	0.35	0.15	0.50	13.00	0.75	1.70	1.30	96.3%	1	546
1,937	2	98.4%	0.05	0.05	0.20	14.00	1.10	3.10	1.35	110.9%	45	3,009
6,583	1	119.5%	0.10	0.05	0.15	15.00	2.60	3.70	3.00	153.5%	100	1,130
631	1	167.2%	0.10	0.00	0.35	16.00	3.50	4.90	3.24	193.4%	1	9
1,406	18	156.3%	0.05	0.00	0.15	17.00	4.50	5.90	5.05	218.8%	5	1,924
408	40	246.9%	0.10	0.00	0.60	18.00	5.60	7.00	2.30	265.6%	—	10
65	10	309.0%	0.05	0.00	0.95	19.00	—	—	—	—	—	—
5,043	30	250.8%	0.10	0.00	0.35	20.00	5.70	7.10	5.40	—	—	3
12	21	349.2%	0.23	0.00	0.95	21.00	—	—	—	—	—	—
4,687	4	367.2%	0.15	0.00	0.95	22.00	—	—	—	—	—	—
3	—	375.0%	1.40	0.00	0.75	24.00	11.10	13.50	9.55	376.2%	—	0
10,074	15	278.1%	0.10	0.00	0.15	25.00	12.10	14.50	10.57	390.6%	—	0
10	—	403.1%	0.76	0.00	0.75	26.00	—	—	—	—	—	—
2	—	372.7%	0.15	0.00	0.30	30.00	—	—	—	—	—	—

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 October 16, 2026 expiration, the BHVN put/call ratio based on open interest is 0.22 (9,288 puts vs 42,495 calls), and 0.90 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 October 16, 2026 is about 73.2%, 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.