ADTRAN Holdings Inc. Common Stock (NASDAQ:ADTN)

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

Adtran Holdings Inc. operates as a holding company, through its subsidiaries, provides networking and communications equipment which enables voice, data, video and Internet communications across any network infrastructure. Adtran Holdings Inc., formerly known as ADTRAN INC, is based in Huntsville, Alabama....

+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 4 July 2026

Blog+More

Anti-competitive corporate practices may stifle U.S. innovation.

Fiona Sydney

2020-01-15 08:31:00 Wednesday ET

Anti-competitive corporate practices may stifle U.S. innovation.

Anti-competitive corporate practices may stifle U.S. innovation. In recent decades, wage growth, economic output, and productivity tend to stagnate as U.S.

+See More

American CEOs of about 200 corporations issue a joint statement in support of stakeholder value maximization.

Becky Berkman

2019-10-23 15:39:00 Wednesday ET

American CEOs of about 200 corporations issue a joint statement in support of stakeholder value maximization.

American CEOs of about 200 corporations issue a joint statement in support of stakeholder value maximization. The Business Roundtable offers this statement

+See More

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of AT&T (U.S. stock symbol: $T).

Apple Boston

2025-10-05 17:31:00 Sunday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of AT&T (U.S. stock symbol: $T).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

+See 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

Trumpism may now become the new populist world order of economic governance.

Monica McNeil

2018-07-30 11:36:00 Monday ET

Trumpism may now become the new populist world order of economic governance.

Trumpism may now become the new populist world order of economic governance. Populist support contributes to Trump's 2016 presidential election victory

+See More

All of the 18 systemically important banks pass the annual Federal Reserve stress tests.

James Campbell

2019-07-30 15:33:00 Tuesday ET

All of the 18 systemically important banks pass the annual Federal Reserve stress tests.

All of the 18 systemically important banks pass the annual Federal Reserve stress tests. Many of the largest lenders announce higher cash payouts to shareho

+See More