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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 G3EI2GJ+uaVWQmB1+rW/CXFPcyUpVqm4oFhIX9RS9MBMwCTa7VbgbesT00o6YPeB
 YPUDCCOgVMzoGJEeibwi5w==

<SEC-DOCUMENT>0000890926-04-000001.txt : 20040105
<SEC-HEADER>0000890926-04-000001.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105191128
ACCESSION NUMBER:		0000890926-04-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040102
FILED AS OF DATE:		20040105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RADIAN GROUP INC
		CENTRAL INDEX KEY:			0000890926
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		IRS NUMBER:				232691170
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1601 MARKET STREET
		STREET 2:		12TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		2155646600

	MAIL ADDRESS:	
		STREET 1:		1601 MARKET ST
		STREET 2:		12TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CMAC INVESTMENT CORP
		DATE OF NAME CHANGE:	19960126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WENDER HERBERT
		CENTRAL INDEX KEY:			0001188550

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11356
		FILM NUMBER:		04507152

	BUSINESS ADDRESS:	
		STREET 1:		144 VINTAGE ISLE LANE
		CITY:			PLAM BEACH GARDENS
		STATE:			FL
		ZIP:			33418
		BUSINESS PHONE:		8005231988

	MAIL ADDRESS:	
		STREET 1:		144 VINTAGE ISLE LANE
		CITY:			PALM BEACH GARDENS
		STATE:			FL
		ZIP:			33418
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2004-01-02</periodOfReport>
    <issuer>
        <issuerCik>0000890926</issuerCik>
        <issuerName>RADIAN GROUP INC</issuerName>
        <issuerTradingSymbol>RDN</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188550</rptOwnerCik>
            <rptOwnerName>WENDER HERBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1601 MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
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Ownership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>11.0625</value></conversionOrExercisePrice><exerciseDate><value>1997-12-22</value></exerciseDate><expirationDate><value>2005-12-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>32000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>32000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>16.25</value></conversionOrExercisePrice><exer
ciseDate><value>1999-01-21</value></exerciseDate><expirationDate><value>2007-01-21</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>20000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>20000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>26.4688</value></conversionOrExercisePrice><exerciseDate><value>1999-12-02</value></exerciseDate><expirationDate><value>2007-12-02</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>11000</value></und
erlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>20.3125</value></conversionOrExercisePrice><exerciseDate><value>2001-01-19</value></exerciseDate><expirationDate><value>2009-01-19</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>15000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>15000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirec
tOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>21.0313</value></conversionOrExercisePrice><exerciseDate><value>2001-01-18</value></exerciseDate><expirationDate><value>2010-01-18</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>15000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>15000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>27.1875</value></conversionOrExercisePrice><exerc
iseDate><value>2002-01-22</value></exerciseDate><expirationDate><value>2011-01-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>12000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>35.81</value></conversionOrExercisePrice><exerciseDate><value>2002-11-06</value></exerciseDate><expirationDate><value>2011-11-06</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>7250</value></underly
ingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7250</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>stock option</value></securityTitle><conversionOrExercisePrice><value>35.79</value></conversionOrExercisePrice><exerciseDate><value>2004-01-30</value></exerciseDate><expirationDate><value>2013-01-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>8500</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>8500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnershi
p><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Not applicable to this transaction</footnote><footnote id="F2">Exercised pursuant to a 10b5-1 trading plan.</footnote></footnotes><remarks/><ownerSignature><signatureName>Howard S. Yaruss Howard S. Yaruss (POA) Atty-in-fact</signatureName><signatureDate>2004-01-05</signatureDate></ownerSignature></ownershipDocument>

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</DOCUMENT>
</SEC-DOCUMENT>
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