BKAG vs LDSF

BKAGABNY Mellon Core Bond ETF

LDSFCFirst Trust Low Duration Strategic Focus 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.

LDSF A one-ticket bond sleeve kept on a short leash: LDSF blends income ETFs, largely First Trust's own, to an effective duration of three years or less. Current income is the stated goal, capital preservation the backup.

Stated mandate

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

LDSF The Fund seeks current income and secondarily preservation of capital. It normally invests at least 80% of net assets in U.S.-listed ETFs principally investing in income-generating securities with effective portfolio duration of three years or less.

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.

• LDSF Mandate pins effective portfolio duration at three years or less, the documented lever for keeping rate-driven price swings smaller than a full-maturity bond fund's.sec.gov
• One ticket spans mortgages, investment grade corporates, high yield, senior loans and preferreds, with the prospectus capping high yield and senior loans at 40% of net assets.sec.govotcmarkets.com
• First Trust's team shifts the mix as its rate and credit read changes; the advisory fee is a thin slice, with most of the 0.87% total coming from the ETFs held inside.ftportfolios.com
• Income is the stated first objective and preservation of capital the second, and the fund 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.

• LDSF At 0.87% all in, it costs more than the typical fund in its category, and far more than core index trackers like AGG and BND at 0.03%.
• It trades thinly next to those giants, which can mean wider bid-ask spreads and more care on order size.
• Most of the ETFs inside are First Trust's own, a conflict the prospectus discloses, so you get one house's allocation call rather than a broad-market index.otcmarkets.com

Full BKAG profile⁠

Full LDSF profile⁠