Treasury Two-Year Yields Rise to Highest Since 2025 as Oil Jumps

The Treasury Building in Washington, DC, US, on Wednesday, June 17, 2026. Photographer: Aaron Schwartz/Bloomberg Photo by Aaron Schwartz /Bloomberg

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(Bloomberg) — Treasury two-year yields climbed to their highest level since early 2025 as renewed tensions in Iran pushed up oil prices, fanning speculation that the Federal Reserve will need to raise interest rates to combat inflation. 

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The rate-sensitive two-year yield rose as much as three basis points to 4.24%, the highest since February 2025, while the benchmark 10-year yield added three basis points to 4.59%. Brent crude jumped more than 4% after the US and Iran exchanged fresh strikes, with the two sides offering conflicting statements on whether the Strait of Hormuz remains open. 

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The advance in Treasury yields reflects growing expectations that the Fed will need to raise rates sooner to rein in price pressures from the rebound in global energy prices and signs of a resilient US economy. Traders are almost fully pricing in a Fed rate hike in September, up from about a 66% probability a week ago, according to swaps compiled by Bloomberg.

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“Markets are slightly more sensitive to the Iran headlines at the moment,” said Kenneth Crompton, head of rates strategy at National Australia Bank Ltd. in Sydney. “The market isn’t pricing a return to the conflict levels of March, but between the attacks that continued over the weekend and, secondarily, attacks on Russian refining capacity, there is a bit of wariness creeping back.” 

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The rise in Treasury yields come ahead of this week’s US consumer and producer price data, the final inflation prints before the Fed’s next meeting on July 27-28. Both headline and core CPI are likely to have eased slightly in June, though both are forecast to remain well above the Fed’s 2% target, according to a Bloomberg survey of economists before the data are published Tuesday.

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Fed Chair Kevin Warsh will this week also make his first congressional appearance since taking the helm after pledging to scale back forward guidance on the rate outlook.

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The trading range for Treasury 10-year yields may be capped at 4.70%, though “that has the potential to be tested in coming days if the inflation data is less than benign,” Damien McColough, head of fixed-income research at Westpac Banking Corp. in Sydney, wrote in a note to clients. 

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“Beyond the near-term risk events, however, we remain biased toward selling rallies on strength as uncertainty around the US-Iran situation morphs into mid-term politics and economic growth while muted, remains resilient,” he said.

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