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 0.2149 for 2026-10-14.

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Figures for 2026-10-14

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2178
Historical Volatility (Parkinson)	0.2077
Implied Volatility (Calls)	0.2479
Implied Volatility (Puts)	0.2429
Implied Volatility (Mean)	0.2454
Put-Call Implied Volatility Ratio	0.9799
Implied Volatility Skew	0.0244
Option Statistics
Put-Call Ratio (Volume)	0.2149
Put-Call Ratio (Open Interest)	0.1422