-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 A7wVDYGM1iJWwfJjyb9EIvuMt6N/7xqmPxjVhE2d+rMBOm2dwsxLj3dyf/F5AZgE
 pbp11jxkbGgxSu3dcOoN9A==

<SEC-DOCUMENT>9999999995-07-000493.txt : 20070208
<SEC-HEADER>9999999995-07-000493.hdr.sgml : 20070208
<ACCEPTANCE-DATETIME>20070208001518
ACCESSION NUMBER:		9999999995-07-000493
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070207
DATE AS OF CHANGE:		20070208
EFFECTIVENESS DATE:		20070207

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DB US DOLLAR INDEX BULLISH MASTER FUND
		CENTRAL INDEX KEY:			0001383150
		IRS NUMBER:				870778084
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-136574-03
		FILM NUMBER:		07589984

	BUSINESS ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PowerShares DB US Dollar Index Bullish Fund
		CENTRAL INDEX KEY:			0001383151
		IRS NUMBER:				870778082
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-136574-05
		FILM NUMBER:		07589990

	BUSINESS ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DB US Dollar Index Master Trust
		CENTRAL INDEX KEY:			0001371531
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-136574-01
		FILM NUMBER:		07589982

	BUSINESS ADDRESS:	
		STREET 1:		C/O DB COMMODITY SERVICES LLC
		STREET 2:		60 WALL STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		C/O DB COMMODITY SERVICES LLC
		STREET 2:		60 WALL STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PowerShares DB US Dollar Index Trust
		CENTRAL INDEX KEY:			0001371571
		STANDARD INDUSTRIAL CLASSIFICATION:	 [6221]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-136574
		FILM NUMBER:		07589981

	BUSINESS ADDRESS:	
		STREET 1:		C/O DB COMMODITY SERVICES LLC
		STREET 2:		60 WALL STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		C/O DB COMMODITY SERVICES LLC
		STREET 2:		60 WALL STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DB US DOLLAR INDEX BEARISH MASTER FUND
		CENTRAL INDEX KEY:			0001383148
		IRS NUMBER:				870778085
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-136574-02
		FILM NUMBER:		07589983

	BUSINESS ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWERSHARES DB US DOLLAR INDEX BEARISH FUND
		CENTRAL INDEX KEY:			0001383149
		IRS NUMBER:				870778084
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-136574-04
		FILM NUMBER:		07589989

	BUSINESS ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
</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>2007-02-07</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>13:30:00</finalEffectivenessDispTime>
        <form>S-1</form>
        <filer>
            <cik>0001371571</cik>
            <entityName>PowerShares DB US Dollar Index Trust</entityName>
            <fileNumber>333-136574</fileNumber>
        </filer>
        <filer>
            <cik>0001383151</cik>
            <entityName>PowerShares DB US Dollar Index Bullish Fund</entityName>
            <fileNumber>333-136574-05</fileNumber>
        </filer>
        <filer>
            <cik>0001383149</cik>
            <entityName>POWERSHARES DB US DOLLAR INDEX BEARISH FUND</entityName>
            <fileNumber>333-136574-04</fileNumber>
        </filer>
        <filer>
            <cik>0001383150</cik>
            <entityName>DB US DOLLAR INDEX BULLISH MASTER FUND</entityName>
            <fileNumber>333-136574-03</fileNumber>
        </filer>
        <filer>
            <cik>0001383148</cik>
            <entityName>DB US DOLLAR INDEX BEARISH MASTER FUND</entityName>
            <fileNumber>333-136574-02</fileNumber>
        </filer>
        <filer>
            <cik>0001371531</cik>
            <entityName>DB US Dollar Index Master Trust</entityName>
            <fileNumber>333-136574-01</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----