ProShares UltraPro Short QQQ (the Fund) seeks daily investment results, which corresponds to three times the inverse of the daily performance of the NASDAQ-100 Index (the Index). The Index includes 100 of the non-financial domestic and international issues listed on National Association of Securities Dealers Automated Quotation (NASDAQ) Stock Market. The Fund invests in derivatives. It also invests in short-term cash instruments, which have a remaining maturity of 397 days or less and exhibit high quality credit profiles. The Fund''s advisor is ProShare Advisors.