Put-Call Ratio (Volume) (90-Day)

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

GRAIL, Inc. (GRAL) had 90-Day Put-Call Ratio (Volume) of 0.9655 for 2026-04-17.

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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	1.6768
Historical Volatility (Parkinson)	0.8233
Implied Volatility (Calls)	0.9063
Implied Volatility (Puts)	0.8924
Implied Volatility (Mean)	0.8994
Put-Call Implied Volatility Ratio	0.9847
Implied Volatility Skew	0.0326
Option Statistics
Put-Call Ratio (Volume)	0.9655
Put-Call Ratio (Open Interest)	0.4864