Historical Volatility (Parkinson) (30-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.
John Hancock Multifactor Mid Cap ETF (JHMM) had 30-Day Historical Volatility (Parkinson) of 0.1150 for 2025-05-30.
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