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 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0307
Historical Volatility (Parkinson)	1.0361
Implied Volatility (Calls)	0.7295
Implied Volatility (Puts)	0.8299
Implied Volatility (Mean)	0.7797
Put-Call Implied Volatility Ratio	1.1377
Implied Volatility Skew	0.0525
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	3.3617