Currencies

Why the 9.75% Interest Rate Gap Between the Fed and Brazil Matters

The yield gap between the Federal Reserve and Brazil's central bank remains at a wide 9.75 percentage points, driving currency flows and affecting US-listed funds.

By Sofia Marin

Published
Why the 9.75% Interest Rate Gap Between the Fed and Brazil Matters
Illustration — BRZ.news

The yield on safe-haven cash in the United States is holding steady as the Federal Reserve keeps its benchmark interest rate target at a restrictive level. According to Federal Reserve Economic Data (FRED), the upper limit of the US federal funds target rate stands at 4.0% as of October 20, 2026. For American retail investors, this rate forms the baseline for what they can earn on low-risk assets like Treasury bills and money market funds at domestic brokerages.

Across the equator, Brazil's central bank is offering a dramatically different proposition. The Banco Central do Brasil maintains its benchmark Selic target rate at 13.75%, according to the SGS database series 432. This creates a massive 9.75-percentage-point yield gap between the two countries, a spread that has remained unchanged over the last 30 days.

This yield differential is the primary engine behind the "carry trade," where global institutional investors borrow dollars at lower US rates to buy high-yielding Brazilian government bonds. When this gap is wide, it typically supports the local currency, the real, by attracting foreign capital. However, this high return comes with political risk. Foreign investors closely monitor Brazil’s fiscal policy and the upcoming electoral cycle, as any unexpected shift in government spending can trigger rapid capital flight, overriding the appeal of a 13.75% yield.

For an American investor, this rate gap is not just an abstract macroeconomic figure. It directly influences the brazil real vs dollar exchange rate. A widening gap can strengthen the real, boosting the returns of Brazilian assets when converted back into US dollars. Conversely, if the Federal Reserve raises rates or Brazil's central bank cuts its own rate too aggressively, the narrowing gap can cause the real to depreciate, eroding the value of US-held Brazilian investments.

In your brokerage app

If you hold the iShares MSCI Brazil ETF, a prominent exchange-traded fund listed in New York that tracks large and mid-sized Brazilian equities, your investment is highly sensitive to this interest rate gap. Because the fund holds stocks denominated in Brazilian reals, fluctuations in the exchange rate directly impact the fund's net asset value in US dollars. Additionally, US-listed Brazilian government bond funds are heavily influenced by whether this 9.75-percentage-point premium is deemed high enough by Wall Street to compensate for Brazil's sovereign risk.