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.

Lyell Immunopharma, Inc. (LYEL) 30-Day Put-Call Ratio (Volume) data is not available for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8562
Historical Volatility (Parkinson)	1.0764
Implied Volatility (Calls)	0.8511
Implied Volatility (Puts)	0.8778
Implied Volatility (Mean)	0.8645
Put-Call Implied Volatility Ratio	1.0314
Implied Volatility Skew	0.1396
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.5385