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 Buffer10 Apr ETF (APRT) had 20-Day Historical Volatility (Parkinson) of 0.0054 for 2026-01-16.
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