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.
FT Vest DJIA Dogs 10 Target Income ETF (DOGG) had 20-Day Historical Volatility (Parkinson) of 0.1018 for 2026-01-20.
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