The underlying index allocates across four components: U.S. Treasury securities, U.S. dollar-denominated mortgage-backed securities (“MBS”), and U.S. dollar-denominated investment-grade and high-yield corporate bonds. The BlackRock Universal Systematic Bond Index allocates across four components: U.S. Treasury securities, U.S. dollar-denominated mortgage-backed securities (“MBS”), and U.S. dollar-denominated investment-grade and high-yield corporate bonds.
