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.

Okta, Inc. (OKTA) had 10-Day Historical Volatility (Parkinson) of 0.4500 for 2025-08-01.

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Figures for 2025-08-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3804
Historical Volatility (Parkinson)	0.4500
Implied Volatility (Calls)	0.4010
Implied Volatility (Puts)	0.3924
Implied Volatility (Mean)	0.3967
Put-Call Implied Volatility Ratio	0.9786
Implied Volatility Skew	-0.0107
Option Statistics
Put-Call Ratio (Volume)	0.4049
Put-Call Ratio (Open Interest)	0.3229