UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: October 19, 2012 9:30 A.M.
Form: S-3
CIK: 0001371571
Company Name: PowerShares DB US Dollar Index Trust
File Number: 333-184096
CIK: 0001383149
Company Name: POWERSHARES DB US DOLLAR INDEX BEARISH FUND
File Number: 333-184096-02
CIK: 0001383151
Company Name: PowerShares DB US Dollar Index Bullish Fund
File Number: 333-184096-01