Put-Call Ratio (Volume) (10-Day)

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

ICON PLC (ICLR) had 10-Day Put-Call Ratio (Volume) of 4.2105 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3976
Historical Volatility (Parkinson)	0.3709
Implied Volatility (Calls)	0.8387
Implied Volatility (Puts)	0.8422
Implied Volatility (Mean)	0.8404
Put-Call Implied Volatility Ratio	1.0042
Implied Volatility Skew	0.0338
Option Statistics
Put-Call Ratio (Volume)	4.2105
Put-Call Ratio (Open Interest)	1.6788