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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>9999999995-10-003344.txt : 20101124
<SEC-HEADER>9999999995-10-003344.hdr.sgml : 20101124
<ACCEPTANCE-DATETIME>20101124001516
ACCESSION NUMBER:		9999999995-10-003344
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20101123
DATE AS OF CHANGE:		20101124
EFFECTIVENESS DATE:		20101123

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nuveen Build America Bond Opportunity Fund
		CENTRAL INDEX KEY:			0001493523
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-167407
		FILM NUMBER:		101213151

	BUSINESS ADDRESS:	
		STREET 1:		333 WEST WACKER DR.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312-917-8146

	MAIL ADDRESS:	
		STREET 1:		333 WEST WACKER DR.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2010-11-23</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>09:30:00</finalEffectivenessDispTime>
        <form>N-2</form>
        <filer>
            <cik>0001493523</cik>
            <entityName>Nuveen Build America Bond Opportunity Fund</entityName>
            <fileNumber>333-167407</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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