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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 10 October 2026

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Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023.

Daisy Harvey

2023-02-03 08:27:00 Friday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023.

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023. Our proprietary alpha investment model outperforms the ma

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Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license.

Charlene Vos

2019-05-01 09:27:00 Wednesday ET

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license.

Apple settles its 2-year intellectual property lawsuit with Qualcomm by agreeing to a multi-year patent license with royalty payments to the microchip maker

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The Economist suggests that the world has learned few lessons of the global financial crisis from 2008 to 2009.

Becky Berkman

2018-09-07 07:33:00 Friday ET

The Economist suggests that the world has learned few lessons of the global financial crisis from 2008 to 2009.

The Economist re-evaluates the realistic scenario that the world has learned few lessons of the global financial crisis from 2008 to 2009 over the past deca

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The Federal Reserve System conducts monetary policy decisions, interest rate adjustments, and inter-bank payment operations.

Dan Rochefort

2023-03-28 11:30:00 Tuesday ET

The Federal Reserve System conducts monetary policy decisions, interest rate adjustments, and inter-bank payment operations.

The Federal Reserve System conducts monetary policy decisions, interest rate adjustments, and inter-bank payment operations. Peter Conti-Brown (2017)

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CNBC All-America Economic Survey indicates 54% majority approval of the Trump team's supply-side economic reform.

Jonah Whanau

2018-07-11 09:39:00 Wednesday ET

CNBC All-America Economic Survey indicates 54% majority approval of the Trump team's supply-side economic reform.

In recent times, the Trump administration sees the sweet state of U.S. economic expansion as of early-July 2018. The latest CNBC All-America Economic Survey

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President Trump imposes punitive tariffs on $60 billion Chinese imports in a brand-new trade war.

Laura Hermes

2018-03-25 08:39:00 Sunday ET

President Trump imposes punitive tariffs on $60 billion Chinese imports in a brand-new trade war.

President Trump imposes punitive tariffs on $60 billion Chinese imports in a brand-new trade war as China hits back with retaliatory tariffs on $3 billion U

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