UNITED STATES ~~SECURITIES~~ ~~AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549~~

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the ~~Securities Exchange Act of 1934~~

~~Date~~Securities ofExchange ~~Report~~Act ~~(Date~~ of 1934 ~~Earliest Event Reported): April 27, 2011~~

~~TradeStation~~Date ~~Group,~~of ~~Inc. __________________________________________~~ Report (~~Exact~~Date ~~name~~ of ~~registrant~~earliest asevent ~~specified~~reported): inMay 9, ~~its~~2011 ~~charter)~~

Florida	000-31049	650977576
_____________________ (State or other jurisdiction	_____________ (Commission	______________ (I.R.S. Employer
of incorporation)	File Number)	Identification No.)
8050 SW 10th Street, Suite 4000, Plantation, Florida		33324
_________________________________ (Address of principal executive offices)		___________ (Zip Code)

TradeStation Group, Inc.

(Exact name of registrant as specified in its charter)

Florida

000-31049

650977576

(State or other jurisdiction

of incorporation)

(Commission

(File Number)

(I.R.S. Employer

Identification No.)


8050 SW 10th Street, Suite 4000, Plantation, Florida				33324
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (954) 652-7000

Not Applicable ~~______________________________________________ Former~~ ~~name or former address, if changed since last report~~

Former name or former address, if changed since last report

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

~~[ ]~~ ¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Top~~¨ ofSoliciting material pursuant to Rule 14a-12 under the ~~Form~~ Exchange Act (17 CFR 240.14a-12)

~~Item~~¨ Pre-commencement communications pursuant to Rule 14d-2~~.02~~(b) ~~Results~~under ofthe ~~Operations~~Exchange ~~and~~Act ~~Financial~~(17 ~~Condition~~CFR 240. 14d-2(b))

~~TradeStation~~¨ ~~Group,~~Pre-commencement ~~Inc.~~communications ~~(the~~pursuant ~~"Company")~~to ~~reported~~Rule ~~its~~13e-4(c) ~~financial~~under ~~results for its first quarter ended March 31, 2011. The Company also released, along with its results, a Business Outlook for~~ the ~~2011~~Exchange ~~second~~Act ~~quarter. A~~(17 ~~copy~~CFR ~~of the Company's press release issued on April 27, 2011 concerning the foregoing results and the Business Outlook for Q2 2011 is furnished as Exhibit 99~~240.~~1 to this report.~~ 13e-4(c))

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

As contemplated by Section 1.03(d) of the Merger Agreement (as defined below), on May 9, 2011, Nathan D. Leight irrevocably submitted his resignation as a director of TradeStation Group, Inc. (the “Company”) and as a member of all committees of the board of directors of the Company (the “Board”). The resignation is effective only upon (1) the consummation of the tender offer being made by Felix 2011 Acquisition Sub, Inc. pursuant to that certain Agreement and Plan of Merger, dated as of April 20, 2011 (the “Merger Agreement”), among Monex Group, Inc. (“Monex”), Felix 2011 Acquisition Sub, Inc. and the Company and (2) the acceptance of such resignation by the Board on behalf of the Company. Pursuant to the Merger Agreement, the Company may not accept such resignation without the prior written consent of Monex. A copy of the Merger Agreement is attached as Exhibit 2.1 to the Form 8-K filed by the Company with the Securities and Exchange Commission on April 21, 2011, which was the second and later filed Form 8-K on that date.

Item 8.01

Other Events.

On May 10, 2011, the Company and Monex issued a joint press release announcing the commencement of a tender offer by Monex through its wholly-owned subsidiary, Felix 2011 Acquisition Sub, Inc. (“Purchaser”), for all outstanding shares of common stock of the Company for $9.75 per share, net to the seller in cash, without interest and less any required withholding taxes. The tender offer is being made pursuant to an Offer to Purchase, dated May 10, 2011, and in connection with the previously announced Merger Agreement. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits.

(d)~~Ex-99~~ Exhibits.1: ~~Press Release dated April 27, 2011.~~

Top of the Form


Exhibit No.		Description

99.1		Press Release dated May 10, 2011

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	TradeStation Group, Inc.
April 27, 2011	By:	/s/ David Fleischman
Date: May 10, 2011	By:	/s/ David H. Fleischman
		Name: David Fleischman
		Name:	David H. Fleischman
		Title: Chief Financial Officer
		Title:	Chief Financial Officer, Vice President of Finance and Treasurer

~~Top~~3 ~~of the Form~~

~~Exhibit Index~~ EXHIBIT INDEX

Exhibit No.		Description
ExhibitNo.		Description
99.1		Press Release dated ~~April~~May 2710, 2011

Filing Compare · TRADESTATION GROUP INC