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.

STMicroelectronics N.V. (STM) had 180-Day Put-Call Ratio (Volume) of 1.3975 for 2026-06-04.

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Figures for 2026-06-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5372
Historical Volatility (Parkinson)	0.3407
Implied Volatility (Calls)	0.7955
Implied Volatility (Puts)	0.8117
Implied Volatility (Mean)	0.8036
Put-Call Implied Volatility Ratio	1.0204
Implied Volatility Skew	-0.0171
Option Statistics
Put-Call Ratio (Volume)	1.3975
Put-Call Ratio (Open Interest)	0.7763