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.

Illumina, Inc. (ILMN) had 10-Day Put-Call Ratio (Volume) of 0.1774 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3169
Historical Volatility (Parkinson)	0.3309
Implied Volatility (Calls)	0.5230
Implied Volatility (Puts)	0.5423
Implied Volatility (Mean)	0.5327
Put-Call Implied Volatility Ratio	1.0368
Implied Volatility Skew	0.0016
Option Statistics
Put-Call Ratio (Volume)	0.1774
Put-Call Ratio (Open Interest)	0.7095