Acumen Pharmaceuticals Inc
Acumen Pharmaceuticals Inc (ABOS) Historical Volatility
ABOS's 30 day historical volatility is 700.28%, in the 98th percentile of readings over the past year. This is a high percentile, meaning Acumen Pharmaceuticals Inc shares have swung far more than usual. ABOS's 30 day implied volatility sits at 868.68%, with an IV Rank of 96.43%, leaving IV 168.40 points above historical volatility. This means options are pricing in more movement than the stock has actually delivered, as of Nov 13, 2026.
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Tracking ABOS historical volatility helps you see how much Acumen Pharmaceuticals Inc's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, ABOS's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor ABOS 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 a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. ABOS's 30 day historical volatility, or ABOS HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing ABOS's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.
Acumen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, discovers and develops therapies for the treatment of Alzheimer's disease. The company focuses on advancing a targeted immunotherapy drug candidate ACU193, a humanized monoclonal antibody that is in Phase I clinical-stage to target soluble amyloid-beta oligomers. Acumen Pharmaceuticals, Inc. was incorporated in 1996 and is headquartered in Charlottesville, Virginia.
Historical Volatility
Historical movement is elevated versus the past year. The stock has been unusually active.
As of Nov 13, 2026
As of Nov 13, 2026
As of Nov 13, 2026
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