Historical Volatility (Parkinson) (90-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 Long ENPH Daily ETF (ENPX) had 90-Day Historical Volatility (Parkinson) of 0.9395 for 2025-12-19.
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