Historical Volatility (Parkinson) (120-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.
Tradr 2X Short AMZN Daily ETF (AMZO) had 120-Day Historical Volatility (Parkinson) of 0.4353 for 2026-08-07.
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