Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
STONE MARC J
   2. Issuer Name and Ticker or Trading Symbol
TRADESTATION GROUP INC [TRAD] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP Corp Dev, Gen Counsel & Sec
(Last)
(First)
(Middle)
8050 SW 10TH STREET, SUITE 4000		 3. Date of Earliest Transaction (Month/Day/Year)
06/08/2011
(Street)

PLANTATION, FL 33324		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/08/2011   D   6,819 (1) D $ 9.75 70,417 D  
Common Stock 06/10/2011   D   70,417 (2) D $ 9.75 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $ 9.03 06/10/2011   D     8,000 12/30/2004 12/30/2013 Common Stock 8,000 (3) 0 D  
Stock Option (Right to Buy) $ 7.11 06/10/2011   D     3,200 01/03/2006 01/03/2015 Common Stock 3,200 (3) 0 D  
Stock Option (Right to Buy) $ 7.11 06/10/2011   D     6,400 01/03/2006 01/03/2015 Common Stock 6,400 (3) 0 D  
Stock Option (Right to Buy) $ 15.54 06/10/2011   D     3,621 01/13/2007 01/13/2016 Common Stock 3,621 (3) 0 D  
Stock Option (Right to Buy) $ 15.54 06/10/2011   D     6,379 01/13/2007 01/13/2016 Common Stock 6,379 (3) 0 D  
Stock Option (Right to Buy) $ 12.43 06/10/2011   D     808 01/19/2008 01/19/2017 Common Stock 808 (3) 0 D  
Stock Option (Right to Buy) $ 12.43 06/10/2011   D     9,192 01/19/2008 01/19/2017 Common Stock 9,192 (3) 0 D  
Stock Option (Right to Buy) $ 13.12 06/10/2011   D     7,248 02/20/2008 02/20/2017 Common Stock 7,248 (3) 0 D  
Stock Option (Right to Buy) $ 13.12 06/10/2011   D     2,752 02/20/2008 02/20/2017 Common Stock 2,752 (3) 0 D  
Stock Option (Right to Buy) $ 11.42 06/10/2011   D     14,430 01/18/2009 01/18/2018 Common Stock 14,430 (3) 0 D  
Stock Option (Right to Buy) $ 5.77 06/10/2011   D     29,497 01/16/2010 01/16/2019 Common Stock 29,497 (3) 0 D  
Stock Option (Right to Buy) $ 6.41 06/10/2011   D     27,453 02/16/2011 02/16/2020 Common Stock 27,453 (3) 0 D  
Stock Option (Right to Buy) $ 7.11 06/10/2011   D     13,750 02/15/2012 02/15/2021 Common Stock 13,750 (3) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
STONE MARC J
8050 SW 10TH STREET
SUITE 4000
PLANTATION, FL 33324		       VP Corp Dev, Gen Counsel & Sec  

Signatures

 /s/ Marc J. Stone   06/10/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents shares of common stock that were tendered to Felix 2011 Acquisition Sub, Inc., a Florida corporation ("Purchaser"), and a wholly-owned direct subsidiary of Monex Group, Inc., a Japanese corporation, pursuant to Purchaser's offer to purchase all outstanding shares of the Issuer at a purchase price of $9.75 per share, net to the seller in cash, without interest and less any required withholding taxes, upon the terms and subject to the conditions set forth in the Offer to Purchase, dated May 10, 2011 (together with any amendments and supplements thereto), and in the related Letter of Transmittal (together with any amendments and supplements thereto).
(2) These shares were canceled pursuant to the Agreement and Plan of Merger, dated as of April 20, 2011, by and among the Issuer, Monex Group, Inc., a Japanese corporation, and Felix 2011 Acquisition Sub, Inc., a Florida corporation, in exchange for the right to receive a cash payment equal to $9.75 per share (without interest and less any required withholding taxes) at the effective time of the merger.
(3) This option was canceled pursuant to the Agreement and Plan of Merger, dated as of April 20, 2011, by and among the Issuer, Monex Group, Inc., a Japanese corporation, and Felix 2011 Acquisition Sub, Inc., a Florida corporation, in exchange for the right to receive a cash payment representing the number of shares of the Issuer's common stock underlying such option multiplied by the positive difference, if any, between the purchase price of $9.75 per share minus the exercise price of the option (without interest and less any required withholding taxes) at the effective time of the merger.

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