Welcome, Guest Sign In | Register Search Invesco PowerShares continues to lead the intelligent ETF revolution by providing institutional caliber products that seek to replicate enhanced indexes. PowerShares DB commodity and currency funds provide investors cost-effective and convenient access to the global commodity and currency markets through rules-based commodity and currency indexes. DBC: The 1st Broad-Based Commodity ETF DBV: The 1st Long/Short Currency ETF Optimum Yield Generally, commodity futures-based ETFs sell their current contracts before they expire and automatically buy into the next month. This process is called "rolling" futures contracts forward. Instead of automatically rolling into the next month contract, the PowerShares DB Commodity ETFs utilize the Optimum Yield Roll process which analyzes the next 13 months and selects the contract that aims to generate the best possible roll yield. Commodities, currencies and futures generally are volatile and are not suitable for all investors. The Fund will be successful only if significant losses are avoided. Please review the prospectus regarding specific break-even figures for the Fund. The Funds are speculative and involves a high degree of risk. An investor may lose all or substantially all of an investment in the Funds. Ordinary brokerage commissions apply. The Funds are not mutual funds or any other type of Investment Company within the meaning of the Investment Company Act of 1940, as amended, and is not subject to regulation thereunder. Shares in the Funds are not FDIC insured, may lose value and have no bank guarantee. This material must be accompanied or preceded by a prospectus. Please read the prospectus carefully before investing. Shares are not individually redeemable and owners of the Shares may acquire those shares from the Fund and tender those shares for redemption to the Fund in Creation Units only, typically consisting of aggregations of 200,000 shares. Visit the PowerShares 2012 Tax Center for information on PowerShares DB tax reporting Fund Links: Commodity Agriculture (DBA) Base Metals (DBB) Comm. Index Tracking (DBC) Energy (DBE) Gold (DGL) Oil (DBO) Precious Metals (DBP) Silver (DBS) Currency G10 Currency Harvest (DBV) US Dollar Bearish (UDN) US Dollar Bullish (UUP) Relevant Terms: Rolling Futures Generally, futures-based ETFs sell their current contract before it expires and buy into the next month's contract. This process is called "rolling" futures contracts forward. Backwardation Backwardation occurs when futures contracts are trading lower than spot prices. Contango Contango occurs when futures contracts are trading higher than spot prices. Prospectuses: Commodity Agriculture (DBA) Base Metals (DBB) Comm. Index Tracking (DBC) Energy (DBE) Gold (DGL) Oil (DBO) Precious Metals (DBP) Silver (DBS) Currency G10 Currency Harvest (DBV) US Dollar Bearish (UDN) US Dollar Bullish (UUP) ©2014 Invesco PowerShares Capital Management LLC PowerShares® is a registered trademark of Invesco PowerShares Capital Management LLC (Invesco PowerShares). Invesco PowerShares and Invesco Distributors, Inc. are indirect, wholly owned subsidiaries of Invesco Ltd. Invesco Distributors, Inc. is the distributor of the PowerShares Exchange-Traded Fund Trust, the PowerShares Exchange- Traded Fund Trust II, the PowerShares India Exchange-Traded Fund Trust and the PowerShares Actively Managed Exchange-Traded Fund Trust. ALPS Distributors, Inc. is the distributor of PowerShares QQQ, BLDRS Funds and PowerShares DB Funds. PowerShares QQQ and BLDRS Funds are unit investment trusts. Invesco PowerShares and Invesco Distributors, Inc. are not affiliated with ALPS Distributors, Inc. PowerShares DB ETNs are senior unsecured obligations issued by Deutsche Bank AG, London Branch. Certain marketing services may be provided for these products by Invesco Distributors, Inc. or its affiliate, Invesco PowerShares Capital Management LLC. Neither firm is affiliated with Deutsche Bank. Certain marketing services may be provided for the DB ETNS and DB ETFs by Invesco Distributors, Inc. or its affiliate, Invesco PowerShares Capital Management LLC. Invesco Distributors, Inc. will be compensated by Deutsche Bank or its affiliates for providing these marketing services. Neither Invesco Distributors, Inc. nor Invesco PowerShares is affiliated with Deutsche Bank. Shares are not individually redeemable and owners of the Shares may acquire those Shares from the Funds and tender those shares for redemption to the Funds in Creation Unit aggregations only, typically consisting of 50,000, 75,000, 100,000 or 200,000 Shares. Shares are not FDIC insured, may lose value and have no bank guarantee. View the Legal Notice