The investment seeks daily investment results, before fees and expenses, that correspond to two times the inverse (-2x) of the daily performance of the MSCI Brazil 25/50 Index®. The fund invests in financial instruments that ProShare Advisors believes, in combination, should produce daily returns consistent with the fund's investment objective. The index is designed to measure the performance of the large and mid cap segments of the Brazilian market. It covers approximately 85% of the free float-adjusted market capitalization in Brazil. The fund is non-diversified.