-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Tf9mfJHDhmbNMH22MbNV9unk4EdFppTfrlGqEqAUPXpCbc0QIA3H2QHtcsethOBQ
 BVx92YVUWry1A4flnsuTEA==

<SEC-DOCUMENT>0001209191-09-030415.txt : 20090603
<SEC-HEADER>0001209191-09-030415.hdr.sgml : 20090603
<ACCEPTANCE-DATETIME>20090603150038
ACCESSION NUMBER:		0001209191-09-030415
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090601
FILED AS OF DATE:		20090603
DATE AS OF CHANGE:		20090603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CRUZ WILLIAM R
		CENTRAL INDEX KEY:			0001052104
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31049
		FILM NUMBER:		09871057

	MAIL ADDRESS:	
		STREET 1:		8050 SW 10TH STREET
		STREET 2:		SUITE 4000
		CITY:			PLANTATION
		STATE:			FL
		ZIP:			33324

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRADESTATION GROUP INC
		CENTRAL INDEX KEY:			0001111559
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				650977576
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8050 SW 10TH STREET
		STREET 2:		SUITE 4000
		CITY:			PLANTATION
		STATE:			FL
		ZIP:			33324
		BUSINESS PHONE:		954-652-7023

	MAIL ADDRESS:	
		STREET 1:		8050 SW 10TH STREET
		STREET 2:		SUITE 4000
		CITY:			PLANTATION
		STATE:			FL
		ZIP:			33324

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ONLINETRADING COM GROUP INC
		DATE OF NAME CHANGE:	20000410
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-06-01</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001111559</issuerCik>
        <issuerName>TRADESTATION GROUP INC</issuerName>
        <issuerTradingSymbol>TRAD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001052104</rptOwnerCik>
            <rptOwnerName>CRUZ WILLIAM R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8050 SW 10TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 4000</rptOwnerStreet2>
            <rptOwnerCity>PLANTATION</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33324</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.4167</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3474338</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Partner</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>43000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.5311</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3431338</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Partner</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Partner</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>850</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Spouse</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by WRCF-I 1997 Limited Partnership on April 27, 2009.</footnote>
        <footnote id="F2">This represents the weighted average sale price for the transactions reported on this line.  The shares were sold at prices ranging from $8.14 to $8.48.  Upon request by the Securities and Exchange Commission, the company will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F3">Shares owned by WRCF-I 1997 Limited Partnership, the 1% general partner of which is a Texas corporation that is wholly owned by William R. Cruz and the 99% limited partner of which is William R. Cruz.</footnote>
        <footnote id="F4">This represents the weighted average sale price for the transactions reported on this line.  The shares were sold at prices ranging from $8.37 to $8.64.  Upon request by the Securities and Exchange Commission, the company will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F5">Shares owned by WRCF-II 1997 Limited Partnership, which is 100% beneficially owned by William R. Cruz. This partnership engaged in no purchase or sale transactions regarding the shares.</footnote>
        <footnote id="F6">Shares owned by Patricia Cruz, the wife of William R. Cruz. William R. Cruz disclaims beneficial ownership of these shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ William R. Cruz</signatureName>
        <signatureDate>2009-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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