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.
AllianzIM U.S. Equity Buffer20 Feb ETF (FEBW) had 20-Day Historical Volatility (Parkinson) of 0.0467 for 2026-04-17.
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