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 28 February 2026

Blog+More

Is higher stock market concentration good or bad for Corporate America?

Laura Hermes

2025-03-03 04:11:06 Monday ET

Is higher stock market concentration good or bad for Corporate America?

Is higher stock market concentration good or bad for Corporate America? In recent years, S&P 500 stock market returns exhibit spectacular concentrati

+See More

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into Amazon, Apple, Facebook, and Google.

Joseph Corr

2019-07-03 11:35:00 Wednesday ET

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into Amazon, Apple, Facebook, and Google.

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into tech titans such as Amazon, Apple, Facebook, and Google etc. Hou

+See More

Oxford macro professor Stephen Nickell and his co-authors delve into the trade-off between inflation and unemployment in the dual mandate of price stability and maximum employment.

Apple Boston

2023-08-07 12:29:00 Monday ET

Oxford macro professor Stephen Nickell and his co-authors delve into the trade-off between inflation and unemployment in the dual mandate of price stability and maximum employment.

Oxford macro professor Stephen Nickell and his co-authors delve into the trade-off between inflation and unemployment in the dual mandate of price stability

+See More

The Sino-American trade war may slash global GDP by $600 billion.

Monica McNeil

2019-06-15 10:28:00 Saturday ET

The Sino-American trade war may slash global GDP by $600 billion.

The Sino-American trade war may slash global GDP by $600 billion. If the Trump administration imposes tariffs on all the Chinese imports and China retaliate

+See More

Netflix suffers its first major loss of U.S. subscribers due to the recent price hikes.

Rose Prince

2019-08-14 10:31:00 Wednesday ET

Netflix suffers its first major loss of U.S. subscribers due to the recent price hikes.

Netflix suffers its first major loss of U.S. subscribers due to the recent price hikes. The company adds only 2.7 million new subscribers in 2019Q2 in stark

+See More

President Trump meets the CEOs of tech titans such as Apple, Microsoft, Google, and Amazon.

John Fourier

2017-06-15 07:32:00 Thursday ET

President Trump meets the CEOs of tech titans such as Apple, Microsoft, Google, and Amazon.

President Donald Trump has discussed with the CEOs of large multinational corporations such as Apple, Microsoft, Google, and Amazon. This discussion include

+See More