Historical Volatility (Parkinson) (10-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.

TT-RCN PARET SA (PRTO) had 10-Day Historical Volatility (Parkinson) of 2.0555 for 2020-01-09.

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Figures for 2020-01-09

Volatility Metrics
Historical Volatility (Close-to-Close)	1.6750
Historical Volatility (Parkinson)	2.0555
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--