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.
Fomento Economico Mexicano S.A.B. de C.V. (FMX) had 20-Day Historical Volatility (Parkinson) of 0.2688 for 2025-08-04.
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