RagingBull.com was founded in August 1997 by Bill Martin with college partners[1] Rusty Szurek and Greg Wright, who were 19 years old at the time, as a hobby.

[7][8][9] In February 2006, Terra's Lycos division sold Quote.com and RagingBull.com to Interactive Data Corporation for $30 million, which integrated them into eSignal.

[12] In December 2020, the Federal Trade Commission accused the company of defrauding consumers out of more than $137 million over the previous three years and making it difficult for customers to cancel their monthly subscriptions.

[13] In December 2021, the owners of the site agreed to pay $700,000 in refunds to New Hampshire customers and an additional $675,000 in administrative fines to settle claims by state securities regulators.

[14] In March 2022, RagingBull.com as well Sherwood Ventures LLC and defendants Jason Bond and Jeff Bishop paid $2.425 million to settle what the FTC called "bogus stock earnings claims" and a hard to cancel subscription service.