SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

CRUZ RALPH L

(Last)

(First)

(Middle)

8050 SW 10TH STREET

SUITE 4000

(Street)

PLANTATION

33324

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
TRADESTATION GROUP INC [ TRAD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2008

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		400	D	$10.15	3,033,568	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		100	D	$10.14	3,033,468	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		800	D	$10.13	3,032,668	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		400	D	$10.12	3,032,268	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		750	D	$10.11	3,031,518	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		1,350	D	$10.1	3,030,168	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		500	D	$10.09	3,029,668	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		900	D	$10.08	3,028,768	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		1,400	D	$10.07	3,027,368	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		650	D	$10.06	3,026,718	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		1,350	D	$10.05	3,025,368	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		900	D	$10.04	3,024,468	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		2,200	D	$10.03	3,022,268	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		2,397	D	$10.02	3,019,871	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		5,303	D	$10.01	3,014,568	I	Partner⁽²⁾
Common Stock, par value $.01 per share	05/14/2008		S⁽¹⁾		5,600	D	$10	3,008,968	I	Partner⁽²⁾
Common Stock, par value $.01 per share								1,950,000	I	Partner⁽³⁾

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by RLCF-I 1997 Limited Partnership on February 20, 2008.

2. Shares owned by RLCF-I 1997 Limited Partnership, the 1% general partner of which is a Texas corporation that is wholly owned by Ralph L. Cruz and the limited partners of which are Ralph L. Cruz (93.594% partnership interest) and his spouse (5.406% partnership interest).

3. Shares owned by RLCF-II 1997 Limited Partnership, which is 100% beneficially owned by Ralph L. Cruz. This partnership engaged in no purchase or sale transactions regarding the shares.

	/s/ Ralph L. Cruz	05/15/2008
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.