The index is comprised of 25 of the largest companies, based on market capitalization, that have completed a business combination transaction with a Special Purpose Acquisition Company ("SPAC") within one year of the index"s screening date. The fund invests in swaps and put options that, in combination, provide inverse (opposite) or short exposure to the index equal to at least 80% of the fund"s net assets (plus borrowing for investment purposes). It is non-diversified.