Put-Call Ratio (Volume) (180-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Aon plc (AON) had 180-Day Put-Call Ratio (Volume) of 30.5714 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2714
Historical Volatility (Parkinson)	0.2351
Implied Volatility (Calls)	0.2773
Implied Volatility (Puts)	0.2852
Implied Volatility (Mean)	0.2813
Put-Call Implied Volatility Ratio	1.0285
Implied Volatility Skew	0.0444
Option Statistics
Put-Call Ratio (Volume)	30.5714
Put-Call Ratio (Open Interest)	1.9535