BioMarin Pharmaceutical (BMRN) Options Chain
NASDAQ: BMRNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 21, 2028
- Days to expiration
- 468
- Share price
- $54.80
- Put/call ratio (OI)
- 0.11
- Put/call ratio (volume)
- 0.19
- Expected move
- ±$24.19
- Open interest (C / P)
- 706 / 79
BMRN options summary
The BMRN options chain for the January 21, 2028 expiration lists 6 call and 7 put contracts, with 468 days until expiration. Open interest stands at 706 calls and 79 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $55.00 strike is 39.0%, which implies the market expects a move of about ±$24.19 (44.1%) in BioMarin Pharmaceutical stock by expiration.
The most open interest sits at the $70.00 call (360 contracts) and the $75.00 put (35 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BMRN options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 32.50 | 0.00 | 5.00 | 0.60 | |||||
| — | — | — | 35.00 | 0.05 | 5.00 | 0.85 | |||||
| — | — | — | 42.50 | 0.50 | 5.50 | 1.95 | |||||
| — | — | — | 50.00 | 2.50 | 7.50 | 2.98 | |||||
| — | — | — | 55.00 | 5.40 | 9.70 | 7.50 | |||||
| — | — | — | 57.50 | 6.50 | 11.00 | 7.01 | |||||
| 8.94 | 4.20 | 8.50 | 65.00 | — | — | — | |||||
| 5.30 | 3.50 | 7.00 | 67.50 | — | — | — | |||||
| 4.50 | 3.50 | 5.40 | 70.00 | — | — | — | |||||
| 4.04 | 1.80 | 5.60 | 72.50 | — | — | — | |||||
| 4.49 | 1.90 | 4.00 | 75.00 | 19.00 | 23.00 | 14.32 | |||||
| 2.25 | 0.50 | 3.30 | 80.00 | — | — | — | |||||
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 January 21, 2028 expiration, the BMRN put/call ratio based on open interest is 0.11 (79 puts vs 706 calls), and 0.19 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 January 21, 2028 is about 39.0%, 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.