FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   Codispoti Edward H 2. Date of Event Requiring Statement (Month/Day/Year) 02/10/2010 3. Issuer Name and Ticker or Trading Symbol TRADESTATION GROUP INC [TRAD] (Last) (First) (Middle) 8050 SW 10TH STREET, SUITE 4000 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Accounting Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) PLANTATION, FL 33324 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Shares (Right to Acquire)	02/16/2013(1)	02/16/2015	Common Stock	3,900	$ 0	D	Â
Stock Option (Right to Buy)	10/22/2008(2)	10/22/2017	Common Stock	25,000	$ 11.94	D	Â
Stock Option (Right to Buy)	01/16/2010(3)	01/15/2019	Common Stock	4,380	$ 5.77	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Codispoti Edward H 8050 SW 10TH STREET SUITE 4000 PLANTATION, FL 33324	Â	Â	  Chief Accounting Officer	Â

Signatures

/s/ Edward H. Codispoti		02/18/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	Performance shares to acquire 3,900 shares of common stock were awarded on February 16, 2010 and vest as follows: 60% on February 16, 2013, 20% on February 16, 2014 and 20% on February 16, 2015. As performance shares vest, the vested units are automatically converted to common stock on a one-for-one basis without payment of additional consideration on the vesting date.
(2)	Stock options to purchase 10,000 shares of common stock became exercisable as follows: 5,000 each on October 22, 2008 and October 22, 2009. The remaining stock options to purchase 15,000 shares of common stock become exercisable as follows: 5,000 each on October 22, 2010, 2011 and 2012.
(3)	Stock options to purchase 876 shares of common stock became exercisable on January 16, 2010. The remaining stock options to purchase 3,504 shares of common stock become exercisable as follows: 876 each on January 16, 2011, 2012, 2013 and 2014.

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