NTSI vs RSBY

NTSIBWisdomTree International Efficient Core Fund

RSBYDReturn Stacked Bonds & Futures Yield ETF

In short

NTSI Developed-market stocks and a U.S. Treasury futures sleeve sharing one seat. NTSI is WisdomTree's capital-efficient playbook pointed overseas: the stock exposure and the bond exposure don't have to compete for the same dollar.

RSBY A core bond fund with a second engine bolted on. The name says it: broad U.S. bonds plus a futures-yield sleeve in one ticker, aiming at the total return of the fixed income market at alternatives-style pricing.

Stated mandate

NTSI The Fund seeks total return through international equity securities and U.S. Treasury futures. WisdomTree presents it as a capital-efficient balanced strategy intended to provide international equity exposure with Treasury-futures diversification.

RSBY The Fund seeks long-term capital appreciation by pursuing the total return of the broad U.S. fixed income market.

Why people hold it

• NTSI Charges 0.26% a year, roughly a third of what the typical allocation fund in its group costs.
• One wrapper, two jobs: developed international equities plus U.S. Treasury futures, so the bond side doesn't eat cash the stock side needs.
• The equity base is broad, roughly 500 names across developed markets outside the U.S.
• One of the stronger builds in a crowded allocation field, alongside WisdomTree siblings NTSX (U.S. version) and GDE (gold version).

• RSBY Two jobs, one ticker: a futures-yield strategy stacked on top of broad U.S. bond exposure, so the diversifier rides along instead of taking space from the bond sleeve.
• The mandate is spelled out in the prospectus: total return of the broad U.S. fixed income market. Built to sit on the bond line of a portfolio, not off to the side.
• Standard 1940 Act fund wrapper, not a commodity partnership, so it trades and reports like the rest of the ETFs in a regular brokerage account.

Worth knowing

• NTSI Futures push total exposure above the cash invested. That cuts both ways: moves are amplified up and down.
• Thinly traded, so spreads can add to the cost of getting in and out beyond the headline fee.
• Actively run on quantitative models and launched in 2021, a shorter history than the plain-vanilla balanced funds it sits next to.

• RSBY 1.01% a year is roughly triple the typical core bond ETF fee, and the index giants in this aisle (BND, SPAB, SCHZ) charge 0.03%.
• A small fund that trades thinly, so bid-ask spreads can run wider than the mega-sized Agg trackers and big orders need more care.
• Launched in 2024, so the history is short, and the futures sleeve can push results away from a plain Agg index in either direction.

Full NTSI profile⁠

Full RSBY profile⁠