Tortoise Acquisition Corp. (NYSE:SHLL)

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

Tortoise Acquisition Corp. is a blank check company. It aims to acquire one or more businesses and assets, via a merger, capital stock exchange, asset acquisition, stock purchase or reorganization. Tortoise Acquisition Corp. is based in New York, United States....

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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 13 June 2026

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The social media factor serves as a new measure of investor sentiment in addition to the fundamental factors.

Rose Prince

2017-05-07 06:39:00 Sunday ET

The social media factor serves as a new measure of investor sentiment in addition to the fundamental factors.

While the original five-factor asset pricing model arises from a quasi-lifetime of top empirical research by Nobel Laureate Eugene Fama and his long-time co

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Bill Gates shares with Mark Zuckerberg his prior personal experiences of testifying before Congress.

Peter Prince

2018-09-13 19:38:00 Thursday ET

Bill Gates shares with Mark Zuckerberg his prior personal experiences of testifying before Congress.

Bill Gates shares with Mark Zuckerberg his prior personal experiences of testifying on behalf of Microsoft before U.S. Congress. Both drop out of Harvard to

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U.S. yield curve inversion can be a sign but not a root cause of the next economic recession.

Dan Rochefort

2019-09-19 15:30:00 Thursday ET

U.S. yield curve inversion can be a sign but not a root cause of the next economic recession.

U.S. yield curve inversion can be a sign but not a root cause of the next economic recession. Treasury yield curve inversion helps predict each of the U.S.

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Internal capital markets and financial constraints

Charlene Vos

2022-10-15 09:34:00 Saturday ET

Internal capital markets and financial constraints

Internal capital markets and financial constraints Duchin (JF 2010) empirically finds that multidivisional firms with robust internal capital markets ret

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Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability.

Peter Prince

2020-09-10 08:31:00 Thursday ET

Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability.

Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability. Todd Zenger (2016)

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Warren Buffett points out that many people misunderstand his stock investment method in several ways.

Jonah Whanau

2017-06-21 05:36:00 Wednesday ET

Warren Buffett points out that many people misunderstand his stock investment method in several ways.

In his latest Berkshire Hathaway annual letter to shareholders, Warren Buffett points out that many people misunderstand his stock investment method in seve

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