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 Short Duration High Yield ETF (FHYS) had 20-Day Historical Volatility (Parkinson) of 0.0168 for 2026-01-20.
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