Historical Volatility (Parkinson) (90-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.
Xtrackers FTSE Developed ex US Multifactor ETF (DEEF) had 90-Day Historical Volatility (Parkinson) of 0.0698 for 2026-01-20.
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