Arcturus Therapeutics Holdings Inc
Arcturus Therapeutics Holdings Inc (ARCT) Historical Volatility
ARCT 30-day historical volatility is 117%. This ranks in the 85th percentile of readings over the past year.
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Tracking ARCT historical volatility helps you see how much Arcturus Therapeutics Holdings 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, Arcturus Therapeutics Holdings Inc's HV tells you what really happened. Use our scanner to monitor ARCT 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 ARCT 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Arcturus Therapeutics Holdings 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.
Arcturus Therapeutics Holdings Inc., an RNA medicines company, focuses on the development of vaccines for infectious, and liver and respiratory rare diseases in the United States. The company's development programs comprise LUNAR-OTC development program for ornithine transcarbamylase (OTC) deficiency; and LUNAR-CF program for cystic fibrosis lung disease caused by mutations in cystic fibrosis transmembrane conductance regulator (CFTR) gene, as well as vaccine programs include LUNAR-COV19 and LUNAR-FLU. It has collaboration partnerships with Vinbiocare Biotechnology Joint Stock Company for the manufacture of COVID-19 vaccines; Janssen Pharmaceuticals, Inc.
to develop nucleic acid-based therapeutic candidates for the treatment of hepatitis B virus; Ultragenyx Pharmaceutical, Inc. to develop mRNA therapeutic candidates for rare disease targets; CureVac AG to develop mRNA therapeutic and vaccine candidates for various indications; Singapore Economic Development Board and Duke-NUS Medical School to develop LUNAR-COV19 vaccine; and Millennium Pharmaceuticals, Inc. to discover siRNA medicines for the treatment of non-alcoholic steatohepatitis. The company was founded in 2013 and is headquartered in San Diego, 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 Arcturus Therapeutics Holdings Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where ARCT HV is running hot, cold, or in line. Make the ARCT 30 day historical volatility — and every other window — work for your edge instead of against it.
As of September 28, 2026
As of September 28, 2026
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Track ARCT historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.
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