The fund is an actively-managed ETF that seeks to achieve its objective by (i) investing in one or more other ETFs that seek to obtain exposure to the performance of short-term, investment grade, U.S. dollar-denominated, fixed-rate taxable bonds with a dollar-weighted average maturity of no more than three years with a maximum maturity of five years or directly in the securities held by such ETFs and (ii) selling and purchasing listed short-term put options to generate income to the fund.