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.
First Trust Emerging Markets Human Flourishing ETF (FTHF) had 20-Day Historical Volatility (Parkinson) of 0.0000 for 2025-06-18.
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