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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 VpdJO8bKS+DRFtfggwmsnkYUeiOmty5QiJWg6nLDokcDfeL7HTUGKm/tv/fztS5O
 DSQn1xAnUMhr65WIZ3W0VA==

<SEC-DOCUMENT>0001499475-10-000010.txt : 20101102
<SEC-HEADER>0001499475-10-000010.hdr.sgml : 20101102
<ACCEPTANCE-DATETIME>20101102110300
ACCESSION NUMBER:		0001499475-10-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101015
FILED AS OF DATE:		20101102
DATE AS OF CHANGE:		20101102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FOX LAWRENCE JOSEPH
		CENTRAL INDEX KEY:			0001213174

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-08777
		FILM NUMBER:		101156907

	MAIL ADDRESS:	
		STREET 1:		DRINKER BIDDLE & REATH
		STREET 2:		ONE LOGAN SQUARE 18TH CHERRY STREET
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CREDIT SUISSE HIGH YIELD BOND FUND
		CENTRAL INDEX KEY:			0001061353
		IRS NUMBER:				134009166
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		ELEVEN MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010
		BUSINESS PHONE:		2123252000

	MAIL ADDRESS:	
		STREET 1:		ELEVEN MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DLJ HIGH YIELD BOND FUND
		DATE OF NAME CHANGE:	19980508
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-10-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001061353</issuerCik>
        <issuerName>CREDIT SUISSE HIGH YIELD BOND FUND</issuerName>
        <issuerTradingSymbol>DHY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001213174</rptOwnerCik>
            <rptOwnerName>FOX LAWRENCE JOSEPH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>DRINKER BIDDLE &amp; REATH</rptOwnerStreet1>
            <rptOwnerStreet2>ONE LOGAN SQUARE 18TH CHERRY STREET</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Trustee</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common shares</value>
            </securityTitle>
            <transactionDate>
                <value>2010-10-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4909</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.72</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>46641.818</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 4,909 shares subscribed for by the Reporting Person pursuant to an over-subscription priviledge under the rights offering referenced herein.  Shareholders as of the rights offering's record date (the &quot;Record Date Shareholders&quot;) who exercised all rights issued to them were entitled to subscribe for additional common shares at the subscription price.  If sufficent common shares are not available to honor all over-subscription requests, available common shares will be allocated pro rata among the Record Date Shareholders who over subscribe, based on the number of rights issued to them by the Issuer on the record date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Karen Regan, as attorney-in-fact</signatureName>
        <signatureDate>2010-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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