The investment seeks daily investment results, before fees and expenses, that correspond to two times (2x) the daily performance of the FTSE China 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 consists of 50 of the largest and most liquid Chinese stocks listed and traded on the Stock Exchange of Hong Kong. The fund is non-diversified.