Historical Volatility (Parkinson) (180-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 Emerging Markets Buffer ETF - June (TJUN) had 180-Day Historical Volatility (Parkinson) of 0.0179 for 2026-01-07.
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