Biomarin Pharmaceutical Inc

BMRNNASDAQ · USD
63.94USD0.00 (-1.76%)
479

Biomarin Pharmaceutical Inc (BMRN) Historical Volatility

BMRN 30-day historical volatility is 36%. This ranks in the 75th percentile of readings over the past year.

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Tracking BMRN historical volatility helps you see how much Biomarin Pharmaceutical Inc's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Biomarin Pharmaceutical Inc's HV tells you what really happened. Use our scanner to monitor BMRN 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The BMRN 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Biomarin Pharmaceutical Inc's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

BioMarin Pharmaceutical Inc. develops and commercializes therapies for people with serious and life-threatening rare diseases and medical conditions. Its commercial products include Vimizim, an enzyme replacement therapy for the treatment of mucopolysaccharidosis (MPS) IV type A, a lysosomal storage disorder; Naglazyme, a recombinant form of N-acetylgalactosamine 4-sulfatase for patients with MPS VI; and Kuvan, a proprietary synthetic oral form of 6R-BH4 that is used to treat patients with phenylketonuria (PKU), an inherited metabolic disease. The company's commercial products also comprise Palynziq, a PEGylated recombinant phenylalanine ammonia lyase enzyme, which is delivered through subcutaneous injection to reduce blood Phe concentrations; Brineura, a recombinant human tripeptidyl peptidase 1 for the treatment of patients with ceroid lipofuscinosis type 2, a form of Batten disease; Voxzogo, a once daily injection analog of c-type natriuretic peptide for the treatment of achondroplasia; and Aldurazyme, a purified protein designed to be identical to a naturally occurring form of the human enzyme alpha-L-iduronidase.

In addition, it develops valoctocogene roxaparvovec, an adeno associated virus vector, which is in Phase III clinical trial for the treatment of patients with severe hemophilia A; BMN 307, an AAV5 mediated gene therapy, which is in Phase 1/2 clinical trial to normalize blood Phe concentration levels in patients with PKU; and BMN 255 that is in Phase 1/2 clinical trial for treating primary hyperoxaluria. The company serves specialty pharmacies, hospitals, and non-U.S. government agencies, as well as distributors and pharmaceutical wholesalers in the United States, Europe, Latin America, and internationally. BioMarin Pharmaceutical Inc. has license and collaboration agreements with Sarepta Therapeutics, Ares Trading S.A., Catalyst Pharmaceutical Partners, Inc., and Asubio Pharma Co., Ltd. The company was incorporated in 1996 and is headquartered in San Rafael, California.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Biomarin Pharmaceutical Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where BMRN HV is running hot, cold, or in line. Make the BMRN 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 18, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 18, 2026

See how volatility has moved over time

Track BMRN historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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