COLB Stock Summary and Trading Ideas (Columbia Banking System | NASDAQ:COLB)

Columbia Banking System Inc is a registered bank holding company whose wholly-owned banking subsidiary is Columbia State Bank. The company provides a full range of banking services to small and medium sized businesses, professionals, and individuals throughout Washington, Oregon, Idaho, and California. The company's subsidiary Columbia Trust Company is an Oregon trust company that provides agency, fiduciary, and other related trust services with offices in Washington, Oregon, and Idaho. The firm offers various products and services under Personal Banking, Business Banking, and Wealth Management divisions.

Columbia Banking System trades on the NASDAQ stock market under the symbol COLB.

As of August 11, 2026, COLB stock price climbed to $31.70 with 703,884 million shares trading.

COLB has a beta of 0.55, meaning it tends to be less sensitive to market movements. COLB has a correlation of 0.07 to the broad based SPY ETF.

COLB has a market cap of $8.97 billion. This is considered a Mid Cap stock.

Last quarter Columbia Banking System reported $677 million in Revenue and $.76 earnings per share. This fell short of revenue expectation by $-12 million and exceeded earnings estimates by $.03.

In the last 3 years, COLB traded as high as $33.68 and as low as $17.08.

The top ETF exchange traded funds that COLB belongs to (by Net Assets): IJH, VTI, SCHD, VB, VBR.

COLB has outperformed the market in the last year with a return of +37.8%, while the SPY ETF gained +22.1%. In the last 3 month period, COLB beat the market returning +6.8%, while SPY returned +4.7%. However, in the most recent 2 weeks COLB has underperformed the stock market by returning +2.6%, while SPY returned +4.3%.

COLB support price is $30.82 and resistance is $31.70 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that COLB shares will trade within this expected range on the day.