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 7 February 2026

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Americans continue to keep their financial New Year resolutions.

Jonah Whanau

2019-01-15 13:35:00 Tuesday ET

Americans continue to keep their financial New Year resolutions.

Americans continue to keep their financial New Year resolutions. First, Americans should save more money. Everyone needs a budget to ensure that key paychec

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Apple releases the new iOS 13 smartphone features.

John Fourier

2019-07-01 12:35:00 Monday ET

Apple releases the new iOS 13 smartphone features.

Apple releases the new iOS 13 smartphone features. These features include Dark Mode, Audio Share, Memoji, better privacy protection, smart photo collection,

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Empirical tests of multi-factor models for asset return prediction

Apple Boston

2022-02-25 00:00:00 Friday ET

Empirical tests of multi-factor models for asset return prediction

Empirical tests of multi-factor models for asset return prediction  The capital asset pricing model (CAPM) of Sharpe (1964), Lintner (1965), and Bla

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Lyft seeks to go public with a dual-class stock ownership structure that allows the co-founders to retain significant influence.

Amy Hamilton

2019-03-11 10:32:00 Monday ET

Lyft seeks to go public with a dual-class stock ownership structure that allows the co-founders to retain significant influence.

Lyft seeks to go public with a dual-class stock ownership structure that allows the co-founders to retain significant influence over the rideshare tech unic

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AYA Analytica financial health memo (FHM) blog post and podcast content curation with wise words of wisdom

Daisy Harvey

2019-04-30 07:15:00 Tuesday ET

AYA Analytica financial health memo (FHM) blog post and podcast content curation with wise words of wisdom

Through our AYA fintech network platform, we share numerous insightful posts on personal finance, stock investment, and wealth management. Our AYA finte

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With majority control, House Democrats pass 2 bills to reopen the U.S. government without funding the Trump border wall.

John Fourier

2019-01-12 10:33:00 Saturday ET

With majority control, House Democrats pass 2 bills to reopen the U.S. government without funding the Trump border wall.

With majority control, House Democrats pass 2 bills to reopen the U.S. government without funding the Trump border wall. President Trump makes a surprise Wh

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