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.

Columbia Banking System, Inc. (COLB) had 180-Day Put-Call Ratio (Volume) of 0.0980 for 2026-06-03.

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Figures for 2026-06-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2649
Historical Volatility (Parkinson)	0.2598
Implied Volatility (Calls)	0.3247
Implied Volatility (Puts)	0.3165
Implied Volatility (Mean)	0.3206
Put-Call Implied Volatility Ratio	0.9749
Implied Volatility Skew	0.0731
Option Statistics
Put-Call Ratio (Volume)	0.0980
Put-Call Ratio (Open Interest)	0.2794