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.
Federated Hermes MDT Large Cap Core ETF (FLCC) had 20-Day Historical Volatility (Parkinson) of 0.0693 for 2026-01-20.
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