Historical Volatility (Parkinson) (150-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 Oct ETF (OCTW) had 150-Day Historical Volatility (Parkinson) of 0.0427 for 2026-01-20.
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