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 derivatives that ProShare Advisors believes, in combination, should have similar daily return characteristics as two times the inverse (-2x) of the daily return of the index. The index is a free-float-adjusted, market capitalization-weighted index that is designed to measure the equity market performance of the Brazilian market. The fund is non-diversified.