Historical Volatility (Parkinson) (20-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.
Leverage Shares 2X Long Memory Daily ETF (RAML) had 20-Day Historical Volatility (Parkinson) of 0.4291 for 2026-09-14.
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