Emergent Biosolutions Inc

EBSNYSE · USD
7.02USD0.00 (+4.00%)
1015

Emergent Biosolutions Inc (EBS) Historical Volatility

EBS 30-day historical volatility is 123%. This ranks in the 100th percentile of readings over the past year.

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Tracking EBS historical volatility helps you see how much Emergent Biosolutions 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, Emergent Biosolutions Inc's HV tells you what really happened. Use our scanner to monitor EBS 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 EBS 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Emergent Biosolutions 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.

Emergent BioSolutions Inc., a life sciences company, focuses on the provision of preparedness and response solutions that address accidental, deliberate, and naturally occurring public health threats (PHTs) in the United States. The company's products address PHTs, which include chemical, biological, radiological, nuclear, and explosives; emerging infectious diseases; travel health; and emerging health crises and acute/emergency care. It offers BioThrax, an anthrax vaccine; ACAM2000, a smallpox vaccine; Botulism Antitoxin Heptavalent to treat botulinum disease; vaccinia immune globulin intravenous that addresses complications from smallpox vaccine; raxibacumab for the treatment and prophylaxis of inhalational anthrax; Anthrasil to for inhalational anthrax; reactive skin decontamination lotion kits; and Trobigard, a combination drug-device auto injector product candidate; and Trobigard, a combination drug-device auto injector product candidate.

The company also provides NARCAN, a nasal spray for the emergency treatment of known or suspected opioid overdose; Vivotif, an oral vaccine for typhoid fever; and Vaxchora, a single-dose oral vaccine to treat cholera. In addition, it is developing AP003, a Naloxone multidose nasal spray; AP007, a sustained release Nalmefene injection for treatment of opioid use disorder; AV7909, an anthrax vaccine; CGRD-001, a pralidoxime chloride/atropine auto-injector; CHIKV VLP, a chikungunya virus VLP vaccine; COVID-HIG for the treatment of SARS-CoV2; EGRD-001, a diazepam auto-injector; SIAN, an antidote for the initial treatment of acute poisoning of cyanide; and UniFlu, a universal influenza vaccine. Further, the company provides contract development and manufacturing services comprising drug substance and product manufacturing, and packaging, as well as technology transfer, process, and analytical development services. The company was incorporated in 1998 and is headquartered in Gaithersburg, Maryland.

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 Emergent Biosolutions Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where EBS HV is running hot, cold, or in line. Make the EBS 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 17, 2026

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

As of September 17, 2026

See how volatility has moved over time

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

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