The investment seeks to track the total return performance, before fees and expenses, of the Vident Core U.S. Bond Strategy IndexTM. The index seeks to diversify and improve interest rate and credit risks of traditional U.S. core bonds. Under normal circumstances, at least 80% of the fund's total assets (exclusive of collateral held from securities lending) will be invested in the component securities of the index and investments that have economic characteristics that are substantially identical to the economic characteristics of such component securities (such as TBA securities). It is non-diversified.