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 5.0000 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4502
Historical Volatility (Parkinson)	0.4926
Implied Volatility (Calls)	0.6047
Implied Volatility (Puts)	0.5600
Implied Volatility (Mean)	0.5823
Put-Call Implied Volatility Ratio	0.9260
Implied Volatility Skew	0.0407
Option Statistics
Put-Call Ratio (Volume)	5.0000
Put-Call Ratio (Open Interest)	1.1527