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.

STMicroelectronics N.V. (STM) had 120-Day Put-Call Ratio (Volume) of 0.0003 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5023
Historical Volatility (Parkinson)	0.3230
Implied Volatility (Calls)	0.5758
Implied Volatility (Puts)	0.5443
Implied Volatility (Mean)	0.5601
Put-Call Implied Volatility Ratio	0.9453
Implied Volatility Skew	-0.0105
Option Statistics
Put-Call Ratio (Volume)	0.0003
Put-Call Ratio (Open Interest)	0.6269