Put-Call Ratio (Volume) (20-Day)

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

Lyell Immunopharma, Inc. (LYEL) had 20-Day Put-Call Ratio (Volume) of 0.0000 for 2026-06-03.

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Figures for 2026-06-03

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0871
Historical Volatility (Parkinson)	0.8792
Implied Volatility (Calls)	2.4195
Implied Volatility (Puts)	2.2724
Implied Volatility (Mean)	2.3459
Put-Call Implied Volatility Ratio	0.9392
Implied Volatility Skew	0.3831
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	5.0550