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.
BNY Mellon US Small Cap Core Equity ETF (BKSE) had 120-Day Historical Volatility (Parkinson) of 0.0981 for 2026-01-20.
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