This investment vehicle is designed to track, before any charges, 200% of the inverse daily performance of the Deutsche Bank Liquid Commodity Index - Optimum Yield Oil Excess Return. It provides investors with a means to establish a "short" position, anticipating a decline in the index's value. The underlying index is a rules-based measure, composed of futures contracts on West Texas Intermediate (WTI) light sweet crude oil, and is intended to reflect the price movements of crude oil.