In 1984, Tradestation was founded by William J. O'Neil, a renowned investor and author of the bestselling investment book "How to Make Money in Stocks." The company's early years were focused on developing software to help individual investors make better investment decisions. In the 1990s, Tradestation became one of the first companies to offer online trading to individual investors. The company also began to focus on institutional investors, and in 2001, it launched the first fully automated algorithmic trading platform. Today, Tradestation is a leading provider of trading technology and services to professional traders and institutional investors around the world.
Interactive Brokers Group, Inc. is a U.S.-based electronic brokerage firm. It is the largest U.S. electronic brokerage firm by number of daily average trades and the largest U.S. broker by dollar value of daily average trades. The company offers services to individual and institutional investors. The company was founded in 1978 by brothers Thomas Peterffy and Daniel Peterffy. It is headquartered in Greenwich, Connecticut.
The winner is Interactive Brokers. Interactive Brokers offers more features and a lower cost than Tradestation.