Historical Volatility (Parkinson) (20-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 Large Cap Core Equity ETF (BKLC) had 20-Day Historical Volatility (Parkinson) of 0.0697 for 2026-01-20.
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