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.

Ecolab Inc. (ECL) had 180-Day Put-Call Ratio (Volume) of 0.0663 for 2026-05-28.

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Figures for 2026-05-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2175
Historical Volatility (Parkinson)	0.2071
Implied Volatility (Calls)	0.2733
Implied Volatility (Puts)	0.2505
Implied Volatility (Mean)	0.2619
Put-Call Implied Volatility Ratio	0.9168
Implied Volatility Skew	0.0308
Option Statistics
Put-Call Ratio (Volume)	0.0663
Put-Call Ratio (Open Interest)	0.5595