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.
iShares ESG Aware MSCI USA Small-Cap ETF (ESML) had 20-Day Historical Volatility (Parkinson) of 0.1258 for 2025-06-09.
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