Put-Call Ratio (Volume) (120-Day)

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

Pulmonx Corporation (LUNG) had 120-Day Put-Call Ratio (Volume) of 0.5000 for 2025-12-15.

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Figures for 2025-12-15

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0119
Historical Volatility (Parkinson)	0.9636
Implied Volatility (Calls)	1.0816
Implied Volatility (Puts)	1.0628
Implied Volatility (Mean)	1.0722
Put-Call Implied Volatility Ratio	0.9826
Implied Volatility Skew	0.0144
Option Statistics
Put-Call Ratio (Volume)	0.5000
Put-Call Ratio (Open Interest)	0.5528