Historical Volatility (Parkinson) (120-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.
JPMorgan Hedged Equity Laddered Overlay ETF (HELO) had 120-Day Historical Volatility (Parkinson) of 0.0625 for 2026-01-21.
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