The investment seeks to track the total return performance, before fees and expenses, of the ICE 0-5 Year Duration Exchange-Listed Preferred & Hybrid Securities Index. The index measures the performance of exchange-listed, U.S. dollar-denominated preferred securities and hybrid securities listed on the New York Stock Exchange (NYSE) or NASDAQ Capital Market (NASDAQ) with an option-adjusted duration of less than 5 years. Under normal circumstances, at least 80% of the fund's total assets (exclusive of any collateral held from securities lending) will be invested in the component securities of the index.