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 Russell 2000 Dividend Growers ETF (SMDV) had 180-Day Historical Volatility (Parkinson) of 0.1156 for 2026-01-20.
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