The investment seeks daily investment results, of 300% of the inverse (or opposite) of the performance of the S&P Oil & Gas Exploration & Production Select Industry Index ("index"). The index is provided by S&P and includes domestic companies from the oil and gas exploration and production sub-industry. The fund normally creates short positions by investing at least 80% of its assets in: swap agreements; options on securities and indices; forward contracts; short positions; reverse repurchase agreements; ETFs; and other financial instruments that, in combination, provide inverse leveraged and unleveraged exposure to the index. It is non-diversified.