Put-Call Ratio (Volume) (30-Day)

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

Illumina, Inc. (ILMN) had 30-Day Put-Call Ratio (Volume) of 1.0789 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5794
Historical Volatility (Parkinson)	0.5582
Implied Volatility (Calls)	0.6702
Implied Volatility (Puts)	0.6986
Implied Volatility (Mean)	0.6844
Put-Call Implied Volatility Ratio	1.0424
Implied Volatility Skew	0.0003
Option Statistics
Put-Call Ratio (Volume)	1.0789
Put-Call Ratio (Open Interest)	2.3460