Historical Volatility (Parkinson) (180-Day)
Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.
Virtus LifeSci Biotech Clinical Trials ETF (BBC) had 180-Day Historical Volatility (Parkinson) of 0.2648 for 2026-01-20.
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