Global Interest Rates at Record Highs: What This Means for Investors in Brazil

The yields on 10-year sovereign bonds in the United States, the United Kingdom, and Germany have surged simultaneously in recent weeks, reaching levels not seen in years. More than just a technical data point in the fixed income market, this movement carries direct implications for investors in Brazil, especially since the country is moving in the opposite direction of the world.

The yield on the 10-year U.S. Treasury reached 4.818%, the highest level since November 2023. The British Gilt of the same duration hit 5.234%, a level not recorded since June 2008. In Germany, the 10-year Bund renewed its yearly high at 3.354%. Three central economies, three simultaneous signals that money is becoming more expensive in the developed world.

What’s Behind the Surge in Yields

According to UBS analysis, about 79% of the rise in 10-year Treasuries is explained by changes in expectations for the trajectory of the U.S. federal funds rate. For British Gilts, this proportion is approximately half of the 60 basis points of accumulated increase. The movement in Bunds follows the same logic.

A significant part of this repricing occurred even before the first press conference of the Fed Chairman, Kevin Warsh, who advocated for less transparency in the communications of the U.S. central bank and signaled a structurally greater volatility in interest rates. The market understood the message: predictability is becoming an extinct commodity.

Geopolitical tensions amplify this scenario. Interest rates rose with the escalation of the conflict in the Middle East, briefly retreated after the Memorandum of Understanding signed in June, and rose again with the intensification of tensions. As we have seen in global market coverage, high oil prices and the risk of new shocks in natural gas keep upward pressure on European inflation.

Today, traders are pricing in about a 50% chance that the Fed will raise rates by 25 basis points in the September decision. The U.S. rate is currently in the range of 3.50% to 3.75% per year. In the UK, the market projects three additional hikes by the Bank of England by mid-2027. In the Eurozone, the European Central Bank is expected to raise its deposit rate, currently at 2.25%, later this month.

Is a 5% Interest Rate in the U.S. Really High?

It depends on the perspective. Analysts at ING assess that a 5% yield on the 10-year Treasury is not a "particularly high" rate when considering American fundamentals: inflation running at 3.5% and a fiscal deficit of 6% of GDP. In other words, the market may simply be correcting an anomaly of years of artificially low interest rates.

Some attributed the wave of selling sovereign bonds to massive corporate debt issuances by large technology companies to finance artificial intelligence infrastructure. However, this thesis does not hold up against the data. UBS identified that investment-grade issuances by technology companies were within the normal volatility of credit conditions, with no evidence of significant rotation away from Treasuries.

The absence of pressure on credit spreads reinforces this point. If there were a real "crowding-out" effect, the competition for resources between public and private bonds would appear in corporate spreads. It did not.

Brazil Going Against the Grain: What Changes for Local Investors

While the United States, Europe, and the United Kingdom are tightening their monetary policies even further, Brazil is moving in the opposite direction. The market is pricing in almost a 100% probability of a 25 basis point cut in the Selic rate at the Copom meeting in September, bringing the rate down from 14% to 13.75% per year.

This divergence is not trivial. As we have analyzed in recent weeks, the slowdown in inflation and the weakening of domestic economic activity support expectations for monetary easing, which began in March. Projections from firms like XP point to two additional cuts beyond the already priced-in one, which would bring the Selic to 13.25% per year in December.

Economists at Itaú BBA note that the nominal two-year Brazilian rate rose in 2026, mainly in response to the repricing of monetary policy in the U.S. The local factor continued to push interest rates down, but not with enough strength to offset external pressure. This is the equation that investors need to understand: the Selic may fall, but long-term Brazilian interest rates have a floor dictated by the global scenario.

The Electoral Factor and Risk Premium

There is still a variable that gains weight as the calendar progresses: the electoral cycle. Recent voting intention polls show a tight race, adding a component of fiscal uncertainty to investors' calculations. The relationship between political cycles and risk premium on the yield curve is a topic that is likely to dominate the conversation in the second half of the year.

For investors, the practical reading is relatively clear. Brazilian fixed income continues to offer high real returns even with cuts in the Selic, because the interest rate differential compared to the developed world remains significant. However, the compression of this differential, if global rates continue to rise while the Copom cuts, could pressure the exchange rate and consequently limit the space for further cuts.

The moment requires attention to global dynamics, not just to the Copom's announcement. 10-year bonds in the U.S. at nearly 5% change the opportunity cost for any global investor. And Brazil, despite having domestic fundamentals to cut rates, does not operate in a vacuum.

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