Columbia Banking System Inc. Common Stock (NASDAQ:COLB)

Real-time price: | Most recent change:0.00%

Columbia Banking System, Inc. is a registered bank holding company whose wholly owned subsidiary, Columbia State Bank,conducts a full-service commercial banking business. Headquartered in Tacoma, Washington, the Company provides a full range of banking services to small and medium-sized businesses, professionals and other individuals through banking offices located in the Tacoma metropolitan area and contiguous parts of the Puget Sound region of Washington, as well as the Longview and Woodland communities in southwestern Washington....

+See More


Here we provide our AYA proprietary alpha stock signals for all premium members on our AYA fintech network platform. Specifically, a high Fama-French multi-factor dynamic conditional alpha suggests that the stock is likely to consistently outperform the broader stock market benchmarks such as S&P 500, Dow Jones, Nasdaq, Russell 3000, MSCI USA, and MSCI World etc. Since March 2023, our proprietary alpha stock signals retain U.S. Patent and Trademark Office (USPTO) fintech patent protection, approval, and accreditation for 20 years. Our homepage and blog articles provide more details on this proprietary alpha stock market investment model with robust long-term historical backtest evidence.

Sharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 27 December 2025

Blog+More

President Trump floats generous 10% tax cuts for the U.S. middle class ahead of the November 2018 mid-term elections.

Jacob Miramar

2018-10-21 14:40:00 Sunday ET

President Trump floats generous 10% tax cuts for the U.S. middle class ahead of the November 2018 mid-term elections.

President Trump floats generous 10% tax cuts for the U.S. middle class ahead of the November 2018 mid-term elections. Republican senators, congressmen, and

+See More

Netflix stares at higher content costs as Disney and Fox hold merger talks.

Joseph Corr

2017-10-21 08:45:00 Saturday ET

Netflix stares at higher content costs as Disney and Fox hold merger talks.

Netflix stares at higher content costs as Disney and Fox hold merger talks. Disney has held talks to acquire most of 21st Century Fox's business equity.

+See More

Warren Buffett shares his fresh economic insights and value investment strategies at the Berkshire Hathaway shareholder forum.

Daphne Basel

2018-05-05 07:33:00 Saturday ET

Warren Buffett shares his fresh economic insights and value investment strategies at the Berkshire Hathaway shareholder forum.

Warren Buffett shares his fresh economic insights and value investment strategies at the Berkshire Hathaway shareholder forum in May 2018 despite the new GA

+See More

The Chinese administration delivers a written response to U.S. demands for trade reforms.

Olivia London

2018-11-25 12:37:00 Sunday ET

The Chinese administration delivers a written response to U.S. demands for trade reforms.

The Chinese administration delivers a written response to U.S. demands for trade reforms. This strategic move helps trigger more formal negotiations between

+See More

The Trump administration imposes 10% tariffs on $200 billion Chinese imports.

James Campbell

2018-09-19 12:38:00 Wednesday ET

The Trump administration imposes 10% tariffs on $200 billion Chinese imports.

The Trump administration imposes 10% tariffs on $200 billion Chinese imports and expects to raise these tariffs to 25% additional duties toward the end of t

+See More

U.S. judiciary subcommittee delves into the market dominance of online platforms in terms of the antitrust, commercial, and administrative law in America.

Daphne Basel

2021-11-22 11:29:00 Monday ET

U.S. judiciary subcommittee delves into the market dominance of online platforms in terms of the antitrust, commercial, and administrative law in America.

U.S. judiciary subcommittee delves into the market dominance of online platforms in terms of the antitrust, commercial, and administrative law in America.

+See More