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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,
 DhkAZZZigs5lZsJDQcGYLUs5RDy1cLo/C7nPDPI6nWbWaLXUEpojbDkvuPE1tk4m
 b0Yo2NAlURw0wAq9bNxHzQ==

<SEC-DOCUMENT>9999999995-10-001088.txt : 20100420
<SEC-HEADER>9999999995-10-001088.hdr.sgml : 20100420
<ACCEPTANCE-DATETIME>20100420001518
ACCESSION NUMBER:		9999999995-10-001088
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100419
DATE AS OF CHANGE:		20100420
EFFECTIVENESS DATE:		20100419

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PROSHARES TRUST
		CENTRAL INDEX KEY:			0001174610
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-89822
		FILM NUMBER:		10758272

	BUSINESS ADDRESS:	
		STREET 1:		7501 WISCONSIN AVENUE
		STREET 2:		SUITE 1000
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814
		BUSINESS PHONE:		240-497-6400

	MAIL ADDRESS:	
		STREET 1:		7501 WISCONSIN AVENUE
		STREET 2:		SUITE1000
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XTRASHARES TRUST
		DATE OF NAME CHANGE:	20030409

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROFUNDS ETF TRUST
		DATE OF NAME CHANGE:	20020531
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<SERIES-ID>S000028919
<SERIES-NAME>ProShares Ultra MSCI Brazil
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<CLASS-CONTRACT-NAME>ProShares Ultra MSCI Brazil
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<SERIES>
<OWNER-CIK>0001174610
<SERIES-ID>S000028920
<SERIES-NAME>ProShares Ultra MSCI Pacific ex-Japan
<CLASS-CONTRACT>
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<CLASS-CONTRACT-NAME>ProShares Ultra MSCI Pacific ex-Japan
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0001174610
<SERIES-ID>S000028921
<SERIES-NAME>ProShares Ultra MSCI Europe
<CLASS-CONTRACT>
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<CLASS-CONTRACT-NAME>ProShares Ultra MSCI Europe
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<SERIES>
<OWNER-CIK>0001174610
<SERIES-ID>S000028922
<SERIES-NAME>ProShares Ultra MSCI Mexico Investable Market
<CLASS-CONTRACT>
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<CLASS-CONTRACT-NAME>ProShares Ultra MSCI Mexico Investable Market
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001174610
<SERIES-ID>S000028923
<SERIES-NAME>ProShares Ultra KBW Regional Banking
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000088642
<CLASS-CONTRACT-NAME>ProShares Ultra KBW Regional Banking
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001174610
<SERIES-ID>S000028924
<SERIES-NAME>ProShares Short KBW Regional Banking
<CLASS-CONTRACT>
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<CLASS-CONTRACT-NAME>ProShares Short KBW Regional Banking
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<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
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    <effectiveData>
        <finalEffectivenessDispDate>2010-04-19</finalEffectivenessDispDate>
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