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 2.8307 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	1.4767
Historical Volatility (Parkinson)	1.1146
Implied Volatility (Calls)	0.9873
Implied Volatility (Puts)	0.9141
Implied Volatility (Mean)	0.9507
Put-Call Implied Volatility Ratio	0.9259
Implied Volatility Skew	-0.0278
Option Statistics
Put-Call Ratio (Volume)	2.8307
Put-Call Ratio (Open Interest)	0.8372