Put-Call Ratio (Volume) (20-Day)

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

W.W. Grainger, Inc. (GWW) had 20-Day Put-Call Ratio (Volume) of 16.6667 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2127
Historical Volatility (Parkinson)	0.2144
Implied Volatility (Calls)	0.3133
Implied Volatility (Puts)	0.3121
Implied Volatility (Mean)	0.3127
Put-Call Implied Volatility Ratio	0.9963
Implied Volatility Skew	0.0570
Option Statistics
Put-Call Ratio (Volume)	16.6667
Put-Call Ratio (Open Interest)	0.5357