Put-Call Ratio (Volume) (60-Day)

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

Lyell Immunopharma, Inc. (LYEL) 60-Day Put-Call Ratio (Volume) data is not available for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9987
Historical Volatility (Parkinson)	0.9121
Implied Volatility (Calls)	1.1765
Implied Volatility (Puts)	1.2462
Implied Volatility (Mean)	1.2113
Put-Call Implied Volatility Ratio	1.0593
Implied Volatility Skew	0.0703
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.7436