Historical Volatility (Parkinson) (180-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 MSCI Consumer Discretionary Index ETF (FDIS) had 180-Day Historical Volatility (Parkinson) of 0.1277 for 2026-01-20.
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