Log InSign Up
MissionModelBlogPricingVitaeLeaderboardLibrary

SHLL

StatementStatement RatioRatio
NewsNews
Yahoo Finance Google Finance Market Beat Bar Chart

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....

+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 24 January 2026

Blog+More

Corporate strategies, portfolio choices, and management memes add value and drive business process improvements over time.

Jacob Miramar

2020-08-19 10:32:00 Wednesday ET

Corporate strategies, portfolio choices, and management memes add value and drive business process improvements over time.

Corporate strategies, portfolio choices, and management memes add value and drive business process improvements over time. Andrew Campbell, Jo Whitehead,

+See More

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs.

Daisy Harvey

2018-06-10 19:41:00 Sunday ET

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs.

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs in direct competition with Netflix, Am

+See More

Mike Pompeo switches his critical role from CIA Director to State Secretary in a secret visit to North Korea.

Peter Prince

2018-04-13 14:42:00 Friday ET

Mike Pompeo switches his critical role from CIA Director to State Secretary in a secret visit to North Korea.

Mike Pompeo switches his critical role from CIA Director to State Secretary in a secret visit to North Korea with no regime change as the North Korean dicta

+See More

Response to USPTO fintech patent protection and accreditation

Andy Yeh Alpha

2023-01-09 10:31:00 Monday ET

Response to USPTO fintech patent protection and accreditation

Response to USPTO fintech patent protection As of early-January 2023, the U.S. Patent and Trademark Office (USPTO) has approved our U.S. utility patent

+See More

Fed Chair Janet Yellen says the current high stock market valuation does not mean overvaluation.

Jonah Whanau

2017-12-11 08:42:00 Monday ET

Fed Chair Janet Yellen says the current high stock market valuation does not mean overvaluation.

Fed Chair Janet Yellen says the current high stock market valuation does not mean overvaluation. A stock market quick fire sale would pose minimal risk to t

+See More

Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our daily lives.

Fiona Sydney

2025-07-26 09:26:00 Saturday ET

Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our daily lives.

Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our lives. The Hooked Model can help shine new lig

+See More