UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 144			OMB APPROVAL
			OMB Number:	3235-0101
			Expires:	December 31, 2006
			Estimated average burden   hours per response  . . . . 4.47
NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933			SEC USE ONLY
			DOCUMENT SEQUENCE NO.
ATTENTION:  Transmit for filing 3 copies of this form concurrently with either placing an order with a broker to execute sale or executing a sale directly with a market maker.			CUSIP NUMBER
1 (a) NAME OF ISSUER (Please type or print) TradeStation Group, Inc.	(b) I.R.S. IDENT. NO. 65-0977576	(c) S.E.C. FILE NO. 0-31049	WORK LOCATION

1 (d) ADDRESS OF ISSUER	STREET	CITY	STATE	ZIP CODE	(e) TELEPHONE NO.  (954) 652-7000
	8050 S.W. 10th Street, Suite 4000		Plantation, FL	33324	AREA CODE	NUMBER

2 (a) PERSON FOR WHOSE         ACCOUNT THE SECURITIES         ARE TO BE SOLD	(b) I.R.S. IDENT. NO.	(c) RELATIONSHIP       TO ISSUER	(d) ADDRESS	STREET	CITY	STATE	ZIP CODE
Stephen C. Richards		Director	21710 Rainbow Drive, Cupertino, CA 95014

INSTRUCTION: The person filing this notice should contact the issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number

3(a)	(b)	SEC USE ONLY	(c)	(d)	(e)	(f)	(g)
Title of the Class of Securities To Be Sold	Name and Address of Each Broker Through Whom the Securities are to be Offered to Each Market Maker who is Acquiring the Securities		Number of shares or Other Units To Be Sold (See instr. 3(c))	Aggregate Market Value (See instr. 3(d))	Number of Shares or Other Units Outstanding (See instr. 3(e))	Approximate Date of Sale (See instr. 3(f)) (MO. DAY YR.)	Name of Each Securities Exchange (See instr. 3(g))
Common Stock	TradeStation Securities, Inc. 8050 S.W. 10th Street, Suite 2000 Plantation, FL 33324		7,000	$104,160	44,493,225	05/4/06 (*)	NASDAQ

INSTRUCTIONS:

1.	(a)	Name of issuer.	3.	(a)	Title of the class of securities to be sold.
	(b)	Issuer’s IRS Identification Number.		(b)	Name and address of each broker through whom the securities are intended to be sold.
	(c)	Issuer’s SEC file number, if any.
	(d) (e)	Issuer’s address, including zip code. Issuer’s telephone number, including area code.		(c)	Number of shares or other units to be sold (if debt securities, give the aggregate face amount).
2.	(a) (b) (c)	Name of person for whose account the securities are to be sold. Such person’s or I.R.S. Identification number, if such a person is an entity. Such person’s relationship to the issuer (e.g., officer, director, 10 percent stockholder, or member of immediate family of any of the foregoing). Such person’s address, including zip code.		(d) (e)	Aggregate market value of the securities to be sold as of a specified date within 10 days prior to the filing Number of shares or other units of the class outstanding, or if debt securities the face amount thereof outstanding, as shown by the most recent report or statement published by the issuer.
	(d)
				(f)	Approximate date on which the securities are to be sold.
				(g)	Name of each securities exchange, if any, on which the securities are intended to be sold.
			Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

TABLE I—SECURITIES TO BE SOLD

Furnish the following information with respect to the acquisition of the securities to be sold

and with respect to the Payment of all or any part of the purchase price or other consideration therefor:

Title of the Class	Date You Acquired	Nature of Acquisition Transaction	Name of Person From Whom Acquired (If Gift, Also Give Date Donor Acquired)	Amount of Securities Acquired	Date of Payment	Nature of Payment
Common Stock	05/4/06 (**)	Stock Option Exercise	TradeStation Group, Inc.	7,000	**	Cash

INSTRUCTIONS: 1. If the securities were purchased and full payment therefore was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid. 2. If within two years after the acquisition of the securities the person for whose account they are to be sold had any short positions, put or other option to dispose of securities referred to in paragraph (d)(3) of Rule 144, furnish full information with respect thereto.

TABLE II—SECURITIES SOLD DURING THE PAST THREE MONTHS Furnish The Following Information as to All Securities of The Issuer Sold During The Past Three Months By The Person For Whose Account The Securities Are To Be Sold.
Name and Address of Seller	Title of Securities To Be Sold.	Date of Sale	Amount of Securities Sold	Gross Proceeds

REMARKS:

* Anticipated date of first sale.

** Commencing May 4, 2006, stock options may be exercised in amounts equal to the number of shares sold by Mr. Richards on the date of sale up to an aggregate of 7,000 shares, with payment and delivery to be made on the settlement date.

INSTRUCTIONS: See the definition of “person” in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

ATTENTION: The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the issuer of the securities to be sold which has not been publicly disclosed.

May 4, 2006 DATE OF NOTICE

/s/ Stephen C. Richards (SIGNATURE)

The notice shall be signed by the persons for whose account the securities are to be sold. At least one copy of the notice shall be manually signed.

Any copies not manually signed shall bear typed or printed signatures.

ATTENTION: INTERNATIONAL MISSTATEMENTS OR OMISSION OF FACTS CONSTITUTE FEDERAL
CRIMINAL VIOLATIONS

(SEE 18 U.S.C. 1001).