Historical Volatility (Parkinson) (30-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.

KBR, Inc. (KBR) had 30-Day Historical Volatility (Parkinson) of 0.2680 for 2025-05-20.

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Figures for 2025-05-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2356
Historical Volatility (Parkinson)	0.2680
Implied Volatility (Calls)	0.3017
Implied Volatility (Puts)	0.2998
Implied Volatility (Mean)	0.3008
Put-Call Implied Volatility Ratio	0.9940
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.4000
Put-Call Ratio (Open Interest)	0.3310