Historical Volatility (Parkinson) (60-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.

Comp En De Mn Cemig ADS (CIG) had 60-Day Historical Volatility (Parkinson) of 0.2075 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2982
Historical Volatility (Parkinson)	0.2075
Implied Volatility (Calls)	0.2528
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0795
Put-Call Ratio (Open Interest)	0.0758