Historical Volatility (Parkinson) (150-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.

WPP PLC (WPP) had 150-Day Historical Volatility (Parkinson) of 0.3279 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4592
Historical Volatility (Parkinson)	0.3279
Implied Volatility (Calls)	0.5699
Implied Volatility (Puts)	0.5139
Implied Volatility (Mean)	0.5419
Put-Call Implied Volatility Ratio	0.9017
Implied Volatility Skew	0.0947
Option Statistics
Put-Call Ratio (Volume)	0.4839
Put-Call Ratio (Open Interest)	0.2730