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 Laddered Emerging Markets Buffer ETF (BUFE) had 10-Day Historical Volatility (Parkinson) of 0.0145 for 2026-04-21.
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