ProShares UltraShort Dow30 (the Fund), formerly UltraShort Dow30 ProShares, seeks daily investment results that correspond to twice (200%) the inverse (opposite) of the daily performance of the Dow Jones Industrial Average (DJIA). The DJIA is a price-weighted index maintained by editors of The Wall Street Journal. The Index includes 30 large-cap, blue-chip United States stocks, excluding utility and transportation companies. Components are selected through a discretionary process with no predetermined criteria except that components should be established United States companies. The DJIA is not limited to traditionally defined industrial stocks, instead, the Index serves as a measure of the entire United States market, covering such diverse industries as financial services, technology, retail, entertainment and consumer goods. The Index is a price return index. The Fund’s investment advisor is ProShare Advisors LLC.