<SEC-DOCUMENT>0001213900-24-018079.txt : 20240228
<SEC-HEADER>0001213900-24-018079.hdr.sgml : 20240228
<ACCEPTANCE-DATETIME>20240228163616
ACCESSION NUMBER:		0001213900-24-018079
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240224
FILED AS OF DATE:		20240228
DATE AS OF CHANGE:		20240228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FREDERICO DOMINIC
		CENTRAL INDEX KEY:			0001072524
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32141
		FILM NUMBER:		24696126

	MAIL ADDRESS:	
		STREET 1:		ACE LTD
		STREET 2:		ACE BLDG 30 WOODBOURNE AVE HAMILTON BER

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASSURED GUARANTY LTD
		CENTRAL INDEX KEY:			0001273813
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30 WOODBOURNE AVE
		STREET 2:		5TH FLOOR
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			HM08
		BUSINESS PHONE:		441-279-5700

	MAIL ADDRESS:	
		STREET 1:		30 WOODBOURNE AVE
		STREET 2:		5TH FLOOR
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			HM08

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AGR LTD
		DATE OF NAME CHANGE:	20040122

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AGC HOLDINGS LTD
		DATE OF NAME CHANGE:	20031218
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>marketforms-64978.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2024-02-24</periodOfReport>

    <dateOfOriginalSubmission>2024-02-26</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001273813</issuerCik>
        <issuerName>ASSURED GUARANTY LTD</issuerName>
        <issuerTradingSymbol>AGO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001072524</rptOwnerCik>
            <rptOwnerName>FREDERICO DOMINIC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>30 WOODBOURNE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>5TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode>HM 08</rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>President/CEO/Deputy Chairman</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2024-02-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>46086</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>84.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1397335.0034</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Common Shares withheld to pay tax liability.</footnote>
        <footnote id="F2">Due to an administrative error, the Form 4 filed on February 26, 2024 inadvertently reported that 66,777 shares were withheld to pay tax liability when in fact, as reported in this amendment, only 46,086 shares were withheld to pay tax liability.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ling Chow, Attorney-in-fact</signatureName>
        <signatureDate>2024-02-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
