BTOT vs SCHZ

BTOTBiShares Total USD Fixed Income Market ETF

SCHZASchwab U.S. Aggregate Bond ETF

In short

BTOT One ticket for the US dollar bond market, investment grade and high yield together, at 0.10% a year. iShares launched it in December 2025 as a wider take on core bond exposure than the usual index.

SCHZ Schwab's core bond holding: the broad U.S. investment-grade bond market, over 10,000 issues deep, for 0.03% a year. That is the floor of a category whose median fee is more than ten times higher. Running since 2011, pays monthly.

Stated mandate

BTOT The Fund seeks broad exposure to U.S.-dollar-denominated fixed-income securities spanning investment-grade and high-yield markets, while tracking its underlying index before fees and expenses.

SCHZ The fund seeks to track the total return of an index representing the broad U.S. investment-grade bond market.

Why people hold it

• BTOT 0.10% a year against a 0.36% median for its broad-bond peer group. In fixed income, fee drag is one of the few variables you actually control.
• Investment grade and high yield in one wrapper, tracking the Bloomberg U.S. Total Fixed Income Market Index, so you are not stapling a separate high-yield sleeve onto a core fund yourself.ishares.com
• Roughly 1,100 bonds, so no single issuer carries much weight, held in a conventional 1940 Act fund from iShares.

• SCHZ 0.03% a year sits at the category floor, against a cohort median of 0.36%. Only a short list of aggregate-bond funds matches it, including AGG, BND and SPAB.
• Tracks the Bloomberg US Aggregate Bond Index tightly, one of the cleanest index implementations among the 187 funds in its peer group.schwabassetmanagement.com
• One ticker, thousands of investment-grade U.S. bonds, income paid monthly. The plumbing of a bond portfolio without buying a single bond yourself.
• Live since 2011 and now a multi-billion-dollar fund that trades actively, so trading costs on ordinary retail-sized orders tend to be minor.

Worth knowing

• BTOT The high-yield portion carries credit risk an investment-grade-only core bond fund does not, so it moves with credit spreads more than a plain Agg tracker.
• A December 2025 launch: short live record, and it began life thinly traded, so spreads can run wider than at long-established bond funds.
• Cheaper broad-bond options exist: BND, SPAB and SCHZ at 0.03%, iShares' own IUSB at 0.06%, each built on different index rules.

• SCHZ This is duration exposure, not a cash substitute. Interest-rate moves, not credit selection, drive most of the ride, and that is the weakest part of its risk profile.
• Investment grade and U.S. only: no high-yield, no foreign bonds. Funds like BNDX cover the international side of the cohort.
• The aggregate-bond aisle is commoditized. Against AGG, BND and SPAB at the same 0.03%, the differences come down to index variant and where you already custody, not fee.

Full BTOT profile⁠

Full SCHZ profile⁠