The PowerShares DB US Dollar Bullish Fund is based on the Deutsche Bank Long US Dollar Index (USDX) Futures Index (DB Long USD Futures Index). The Indexes, which are managed by DB Commodity Services LLC, are rules-based indexes composed solely of long USDX futures contracts. The USDX futures contract is designed to replicate the performance of being long the US Dollar against the following currencies: Euro, Japanese Yen, British Pound, Canadian Dollar, Swedish Krona and Swiss Franc.
But what the hell does that MEAN? What makes it go up and down? If I buy it, what do I own? Can somebody dumb this down for me?