Put-Call Ratio (Volume) (120-Day)

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

IDEAYA Biosciences, Inc. (IDYA) had 120-Day Put-Call Ratio (Volume) of 0.2920 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4210
Historical Volatility (Parkinson)	0.4692
Implied Volatility (Calls)	1.2825
Implied Volatility (Puts)	1.3016
Implied Volatility (Mean)	1.2921
Put-Call Implied Volatility Ratio	1.0149
Implied Volatility Skew	0.0430
Option Statistics
Put-Call Ratio (Volume)	0.2920
Put-Call Ratio (Open Interest)	8.6240