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.

Ecolab Inc. (ECL) had 30-Day Put-Call Ratio (Volume) of 1.4555 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1449
Historical Volatility (Parkinson)	0.1522
Implied Volatility (Calls)	0.1876
Implied Volatility (Puts)	0.1698
Implied Volatility (Mean)	0.1787
Put-Call Implied Volatility Ratio	0.9051
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	1.4555
Put-Call Ratio (Open Interest)	0.4828