The investment seeks investment results before fees and expenses that track the performance of the Merrill Lynch Factor Model-Exchange Series. The fund invests in securities and derivatives that ProShare Advisors believes, in combination, should track the performance of the Benchmark. The Benchmark, established by Merrill Lynch International, seeks to provide the risk and return characteristics of the hedge fund asset class by targeting a high correlation to the HFRI Fund Weighted Composite Index. The HFRI is designed to reflect hedge fund industry performance through an equally weighted composite of over 2000 constituent funds. It is non-diversified.