Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 1.6000 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5096
Historical Volatility (Parkinson)	0.5036
Implied Volatility (Calls)	0.5952
Implied Volatility (Puts)	0.5954
Implied Volatility (Mean)	0.5953
Put-Call Implied Volatility Ratio	1.0002
Implied Volatility Skew	0.0102
Option Statistics
Put-Call Ratio (Volume)	1.6000
Put-Call Ratio (Open Interest)	0.2062