Put-Call Ratio (Volume) (30-Day)

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

Alcon (ALC) had 30-Day Put-Call Ratio (Volume) of 4.8333 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2884
Historical Volatility (Parkinson)	0.1716
Implied Volatility (Calls)	0.2441
Implied Volatility (Puts)	0.2041
Implied Volatility (Mean)	0.2241
Put-Call Implied Volatility Ratio	0.8360
Implied Volatility Skew	-0.0058
Option Statistics
Put-Call Ratio (Volume)	4.8333
Put-Call Ratio (Open Interest)	2.0086