Put-Call Ratio (Volume) (90-Day)

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

Columbia Banking System, Inc. (COLB) had 90-Day Put-Call Ratio (Volume) of 2.0008 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2814
Historical Volatility (Parkinson)	0.2869
Implied Volatility (Calls)	0.3837
Implied Volatility (Puts)	0.4008
Implied Volatility (Mean)	0.3922
Put-Call Implied Volatility Ratio	1.0448
Implied Volatility Skew	0.0524
Option Statistics
Put-Call Ratio (Volume)	2.0008
Put-Call Ratio (Open Interest)	0.2319