Historical Volatility (Parkinson) (10-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 U.S. Equity Quarterly Dynamic Buffer ETF (FHDG) had 10-Day Historical Volatility (Parkinson) of 0.0205 for 2026-01-20.
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