Historical Volatility (Parkinson) (150-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 International Moderate Buffer ETF (BUFY) had 150-Day Historical Volatility (Parkinson) of 0.0337 for 2026-01-20.
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