BKAG vs NXUS

BKAGABNY Mellon Core Bond ETF

NXUSBNuveen International Aggregate Bond ETF

In short

BKAG A core bond index fund that charges nothing. BKAG tracks the same Bloomberg US Aggregate benchmark the giants track, at a 0.00% expense ratio, and has been doing it since 2020.

NXUS Most "aggregate bond" ETFs stop at the US border. NXUS starts there: roughly 3,200 investment-grade bonds from developed and emerging markets, none of them in dollars, with the currency risk hedged back to USD monthly, for 0.08% a year.

Stated mandate

BKAG The fund seeks to track the Bloomberg US Aggregate Total Return Index.

NXUS The Fund seeks to track, before fees and expenses, the Bloomberg Global Aggregate ex-USD (Hedged) Index. Its strategy may also use debt securities outside the Index, including asset-backed securities.

Why people hold it

• BKAG A 0.00% expense ratio. The median fund in the core bond group charges 0.36%, and even the cheap giants (BND, SPAB, SCHZ) charge 0.03%.
• Tracks the Bloomberg US Aggregate Total Return Index tightly, one of the closest index-following records in its peer group.
• Broad by design: roughly 4,000 bonds in the portfolio, with distributions paid monthly rather than quarterly.
• A multi-billion-dollar fund from BNY Mellon, wrapped in a standard 1940 Act ETF structure with no exotic mechanics.

• NXUS 0.08% a year, below the category median, and that is the real fare: gross and net fees are the same number, with no waiver propping it up.
• Roughly 3,200 bonds (sovereign, corporate, securitized) across about two dozen local-currency markets, developed and emerging. One of the broader portfolios in its peer group.sec.govsec.gov 2
• The index hedges its non-dollar exposure back to the US dollar monthly, so what you hold is foreign interest-rate exposure rather than a view on the dollar.sec.gov
• AGG, BND, SPAB and SCHZ each charge 0.03% and each stops at the US border. This is the ex-US half they leave out, and it pays monthly.

Worth knowing

• BKAG Rate risk is the trade-off. This is full-market bond exposure, and bond prices move opposite interest rates. Volatility is the weakest part of its profile.
• Moderately traded, not one of the volume monsters in the category. Spreads and limit orders matter more here than with the largest core bond names.
• At zero, the fee edge over 0.03% rivals is real but small in dollar terms, so tracking and trading costs do more of the work.

• NXUS The hedge resets monthly, so dollar moves between reset dates flow through. Hedging dampens currency swings rather than removing them.sec.gov
• Investment grade only: the index excludes subordinated, convertible, floating-rate and inflation-linked bonds. No high-yield kicker.sec.gov
• It launched in September 2025, so the record is short, and it trades more lightly than the US core giants, which can show up in bid-ask spreads.

Full BKAG profile⁠

Full NXUS profile⁠