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 25 July 2026

Blog+More

Federal Reserve delivers a second interest rate hike to 1.75%-2% and then expects more rate increases in late-2018.

Charlene Vos

2018-06-08 13:35:00 Friday ET

Federal Reserve delivers a second interest rate hike to 1.75%-2% and then expects more rate increases in late-2018.

The Federal Reserve delivers a second interest rate hike to 1.75%-2% and then expects subsequent rate increases in September and December 2018 to dampen inf

+See More

CNBC stock host Jim Cramer recommends Caterpillar and Home Depot during the current U.S. stock market rally.

Charlene Vos

2019-03-15 13:36:00 Friday ET

CNBC stock host Jim Cramer recommends Caterpillar and Home Depot during the current U.S. stock market rally.

CNBC stock host Jim Cramer recommends both Caterpillar and Home Depot as the U.S. bull market is likely to continue in light of the recent Fed Chair comment

+See More

Economic policy incrementalism for better fiscal and monetary policy coordination

Becky Berkman

2023-12-07 07:22:00 Thursday ET

Economic policy incrementalism for better fiscal and monetary policy coordination

Economic policy incrementalism for better fiscal and monetary policy coordination Traditionally, fiscal and monetary policies were made incrementally. In

+See More

Nobel Laureate Paul Milgrom explains the U.S. incentive auction of wireless spectrum allocation from TV broadcasters to telecoms.

Rose Prince

2023-11-21 11:32:00 Tuesday ET

Nobel Laureate Paul Milgrom explains the U.S. incentive auction of wireless spectrum allocation from TV broadcasters to telecoms.

Nobel Laureate Paul Milgrom explains the U.S. incentive auction of wireless spectrum allocation from TV broadcasters to telecoms. Paul Milgrom (2019)

+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

The Federal Reserve proposes softening the Volcker rule that prevents banks from placing risky bets on securities with deposit finance.

James Campbell

2018-05-27 08:33:00 Sunday ET

The Federal Reserve proposes softening the Volcker rule that prevents banks from placing risky bets on securities with deposit finance.

The Federal Reserve proposes softening the Volcker rule that prevents banks from placing risky bets on securities with deposit finance. As part of the po

+See More