Summary of TRADESTATION GROUP INC

Item 8.01 Other Events.

The Company issued a press release on April 28, 2009 announcing that separate family limited partnerships beneficially owned by each of William Cruz and Ralph Cruz, the Company's non-executive Co-Chairmen, will be each entering into a Rule 10b5-1 plan to each sell up to 1,500,000 shares over the period ending December 31, 2009, subject to minimum price limits. Currently, William Cruz beneficially owns 4,104,688 shares and Ralph Cruz beneficially owns 3,966,468 shares of Company common stock. Under each of the two plans, no more than 750,000 shares (excluding privately negotiated sales, if any) may be sold during any calendar-quarterly period, subject to any Rule 144 volume limitations. Sales under each of the Rule 10b5-1 plans will not commence earlier than May 11, 2009. The press release announcing the Rule 10b5-1 plans is attached as Exhibit 99.1 to this report.

Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, permits corporate officers and directors to adopt written pre-arranged stock trading plans when they are not in possession of material, non-public information. To the extent required, proposed and actual transactions will be disclosed publicly through Form 144 and Form 4 filings, respectively, with the Securities and Exchange Commission. The Form 4 filings also will be posted in the investor relations section of the Company's Web site.