Put-Call Ratio (Volume) (150-Day)

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

Caterpillar Inc. (CAT) had 150-Day Put-Call Ratio (Volume) of 0.4998 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3866
Historical Volatility (Parkinson)	0.3059
Implied Volatility (Calls)	0.4088
Implied Volatility (Puts)	0.4040
Implied Volatility (Mean)	0.4064
Put-Call Implied Volatility Ratio	0.9883
Implied Volatility Skew	0.0284
Option Statistics
Put-Call Ratio (Volume)	0.4998
Put-Call Ratio (Open Interest)	0.9188