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.

IDEAYA Biosciences, Inc. (IDYA) had 30-Day Put-Call Ratio (Volume) of 0.0000 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3803
Historical Volatility (Parkinson)	0.4001
Implied Volatility (Calls)	0.7958
Implied Volatility (Puts)	0.4659
Implied Volatility (Mean)	0.6308
Put-Call Implied Volatility Ratio	0.5854
Implied Volatility Skew	0.0116
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.3529