Historical Volatility (Parkinson) (180-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.
ProShares MSCI EAFE Dividend Growers ETF (EFAD) had 180-Day Historical Volatility (Parkinson) of 0.0497 for 2026-01-20.
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