Put-Call Ratio (Volume) (60-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 60-Day Put-Call Ratio (Volume) of 0.2800 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2134
Historical Volatility (Parkinson)	0.2250
Implied Volatility (Calls)	0.4605
Implied Volatility (Puts)	0.4235
Implied Volatility (Mean)	0.4420
Put-Call Implied Volatility Ratio	0.9197
Implied Volatility Skew	0.0684
Option Statistics
Put-Call Ratio (Volume)	0.2800
Put-Call Ratio (Open Interest)	0.2292