Historical Volatility (Parkinson) (20-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.

CRH PLC (CRH) had 20-Day Historical Volatility (Parkinson) of 0.2950 for 2026-03-09.

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Figures for 2026-03-09

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2821
Historical Volatility (Parkinson)	0.2950
Implied Volatility (Calls)	0.3907
Implied Volatility (Puts)	0.3898
Implied Volatility (Mean)	0.3903
Put-Call Implied Volatility Ratio	0.9975
Implied Volatility Skew	0.0301
Option Statistics
Put-Call Ratio (Volume)	1.5123
Put-Call Ratio (Open Interest)	8.8861