iShares Total USD Fixed Income Market ETF (BTOT)

The iShares Total USD Fixed Income Market ETF (BTOT) is a broad bond fund from BlackRock's iShares business that seeks exposure to the U.S. dollar-denominated fixed income market. Its holdings span multiple segments of that market, which may include U.S. Treasuries, government-related debt, investment-grade and high-yield corporate bonds, and securitized debt such as mortgage-backed securities.

The fund is designed as a core, all-in-one bond holding covering many sectors and maturities in a single portfolio. Specifics of its benchmark and portfolio construction are described in the fund's prospectus.