Put-Call Ratio (Volume) (180-Day)

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

Pulmonx Corporation (LUNG) 180-Day Put-Call Ratio (Volume) data is not available for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8964
Historical Volatility (Parkinson)	0.8667
Implied Volatility (Calls)	1.0011
Implied Volatility (Puts)	1.1476
Implied Volatility (Mean)	1.0744
Put-Call Implied Volatility Ratio	1.1464
Implied Volatility Skew	0.0785
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0183