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.
Fidelity Crypto Industry and Digital Payments ETF (FDIG) had 20-Day Historical Volatility (Parkinson) of 0.3358 for 2026-01-20.
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