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.

GRAIL, Inc. (GRAL) had 30-Day Put-Call Ratio (Volume) of 0.7147 for 2025-08-29.

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Figures for 2025-08-29

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4355
Historical Volatility (Parkinson)	0.5565
Implied Volatility (Calls)	0.7622
Implied Volatility (Puts)	0.7322
Implied Volatility (Mean)	0.7472
Put-Call Implied Volatility Ratio	0.9606
Implied Volatility Skew	-0.0416
Option Statistics
Put-Call Ratio (Volume)	0.7147
Put-Call Ratio (Open Interest)	0.4261