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 25 April 2026

Blog+More

Facebook, Twitter, and Google executives explain the scope of Russian interference in the U.S. 2016 presidential election.

Apple Boston

2017-09-19 05:34:00 Tuesday ET

Facebook, Twitter, and Google executives explain the scope of Russian interference in the U.S. 2016 presidential election.

Facebook, Twitter, and Google executives head before the Senate Judiciary Committee to explain the scope of Russian interference in the U.S. presidential el

+See More

Public sentiment turns quite a bit against Facebook in light of the public issues around fake news.

Apple Boston

2017-12-03 08:37:00 Sunday ET

Public sentiment turns quite a bit against Facebook in light of the public issues around fake news.

Sean Parker, Napster founder and a former investor in Facebook, has become a "conscientious objector" on Facebook. Parker says Facebook explo

+See More

Amazon faces E.U. antitrust scrutiny over the current e-commerce use of merchant data.

Olivia London

2019-08-16 17:37:00 Friday ET

Amazon faces E.U. antitrust scrutiny over the current e-commerce use of merchant data.

Amazon faces E.U. antitrust scrutiny over the current e-commerce use of merchant data. The European Commission probes into whether Amazon uses key third-par

+See More

China turns on its 5G telecom networks in the hot pursuit of global tech supremacy.

Becky Berkman

2019-12-07 11:30:00 Saturday ET

China turns on its 5G telecom networks in the hot pursuit of global tech supremacy.

China turns on its 5G telecom networks in the hot pursuit of global tech supremacy. China Telecom, China Unicom, and China Mobile disclose 5G fees of $18-$2

+See More

It may be illegal for institutional investors to buy-and-hold large equity stakes in a less competitive industry with high market concentration.

Olivia London

2017-11-27 07:39:00 Monday ET

It may be illegal for institutional investors to buy-and-hold large equity stakes in a less competitive industry with high market concentration.

Is it anti-competitive and illegal for passive indexers and mutual funds to place large stock bets in specific industries with high market concentration? Ha

+See More

U.S. bank oligarchy has become bigger and more resistant to public regulation after the global financial crisis.

Laura Hermes

2020-02-19 14:35:00 Wednesday ET

U.S. bank oligarchy has become bigger and more resistant to public regulation after the global financial crisis.

The U.S. bank oligarchy has become bigger, more profitable, and more resistant to public regulation after the global financial crisis. Simon Johnson and

+See More