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.

RELX PLC (RELX) had 30-Day Historical Volatility (Parkinson) of 0.1338 for 2025-05-09.

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Figures for 2025-05-09

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1840
Historical Volatility (Parkinson)	0.1338
Implied Volatility (Calls)	0.4678
Implied Volatility (Puts)	0.3964
Implied Volatility (Mean)	0.4321
Put-Call Implied Volatility Ratio	0.8475
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	2.1048