Put-Call Ratio (Volume) (120-Day)

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

GRAIL, Inc. (GRAL) had 120-Day Put-Call Ratio (Volume) of 0.0696 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.4957
Historical Volatility (Parkinson)	0.7745
Implied Volatility (Calls)	0.9740
Implied Volatility (Puts)	0.9260
Implied Volatility (Mean)	0.9500
Put-Call Implied Volatility Ratio	0.9507
Implied Volatility Skew	0.0133
Option Statistics
Put-Call Ratio (Volume)	0.0696
Put-Call Ratio (Open Interest)	0.2912