BioMarin Pharmaceutical (BMRN) Options Chain

NASDAQ: BMRNHealth CareBiotechnology: Pharmaceutical PreparationsUSD

54.80-0.095 (-0.17%)

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

Expiration date

Expiration: Apr 16, 2027
Days to expiration: 187
Share price: $54.80
Put/call ratio (OI): 0.04
Put/call ratio (volume): 0.10
ATM implied volatility: 48.6%
Expected move: ±$19.06
Open interest (C / P): 2.23K / 80

BMRN options summary

The BMRN options chain for the April 16, 2027 expiration lists 12 call and 9 put contracts, with 187 days until expiration. Open interest stands at 2,233 calls and 80 puts, a put/call ratio of 0.04, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $55.00 strike is 48.6%, which implies the market expects a move of about ±$19.06 (34.8%) in BioMarin Pharmaceutical stock by expiration.

The most open interest sits at the $90.00 call (1.00K contracts) and the $55.00 put (27 contracts).

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

BMRN options chain · April 16, 2027

BMRN 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
—	—	—	—	—	—	42.50	0.05	3.40	0.79	59.0%	—	1
—	—	—	—	—	—	47.50	0.65	4.50	1.00	52.3%	5	5
—	—	—	—	—	—	50.00	2.40	3.30	3.10	35.9%	5	22
BMRN $54.80
3	344	51.8%	6.00	5.40	8.00	55.00	3.40	7.20	5.67	45.4%	1	27
—	—	—	—	—	—	57.50	4.40	8.40	3.40	43.5%	—	1
6	1	50.5%	4.82	2.00	5.90	60.00	5.70	9.90	5.30	42.8%	1	3
19	13	49.0%	3.15	2.15	4.90	62.50	7.50	11.60	6.60	42.5%	—	2
20	2	49.6%	2.54	1.40	4.30	65.00	—	—	—	—	—	—
59	5	40.6%	2.00	0.95	2.45	67.50	—	—	—	—	—	—
18	2	53.3%	2.55	0.05	3.70	70.00	—	—	—	—	—	—
13	3	44.1%	1.15	0.05	2.05	72.50	—	—	—	—	—	—
15	4	41.3%	1.00	0.05	1.40	75.00	18.50	22.20	15.65	46.7%	—	1
7	5	46.0%	0.55	0.20	1.35	80.00	23.10	27.10	23.90	51.3%	27	18
71	1	52.2%	0.44	0.05	1.50	85.00	—	—	—	—	—	—
1,001	1	59.1%	0.82	0.00	1.75	90.00	—	—	—	—	—	—
1,001	1	58.9%	0.27	0.00	2.15	100.00	—	—	—	—	—	—

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 BMRN put/call ratio?

For the April 16, 2027 expiration, the BMRN put/call ratio based on open interest is 0.04 (80 puts vs 2,233 calls), and 0.10 based on today's volume. A ratio above 1 means more puts than calls.

What is BMRN's implied volatility?

At-the-money implied volatility for BMRN options expiring April 16, 2027 is about 48.6%, an annualized estimate of how much the market expects BioMarin Pharmaceutical stock to move.

How many BMRN option expiration dates are there?

BMRN 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.