The 10-year U.S. Treasury yield climbed to 5% on Monday, September 14, 2026. This level marked the first time the benchmark rate reached that threshold since October 2023.

Goldman Sachs revised its Federal Reserve forecast from no rate change to a rate hike following the August inflation data release. Polymarket bettors assigned an 80% probability to a Federal Reserve rate hike in September 2026. Traders priced a roughly 70% probability of a Federal Reserve rate increase at the September 16 meeting prior to the August Consumer Price Index release.

Strategist Ed Yardeni offered a perspective on the potential central bank action. "A move this week would help restore the Fed's inflation-fighting credibility and might ease some of the upward pressure on long-term yields," Yardeni said.

Yardeni also addressed the resilience of equity markets despite rising borrowing costs. "Either development would normally be enough to break a global bull market in stocks. Neither has so far," he said. "That's because corporate earnings keep climbing." The S&P 500 index was up more than 11% for the year as of mid-September 2026.

Treasury Secretary Scott Bessent implemented an expanded buyback program to address pressure in the bond market. The 10-year government bond yields in Australia and the United Kingdom were both above 5%. Germany's 10-year government bond yield reached its highest level since 2009. Japanese 10-year government bond yields traded near 3%.

The average 30-year fixed mortgage rate rose to 6.76% in the week ending September 11, 2026. The average 30-year fixed mortgage rate was 6.15% at the start of 2026. Co-head of Global Fixed Income Strategy Luis Alvarado described the outlook for borrowers and investors. "What we’ve been communicating to our clients is ‘normal for longer,’ meaning these factors are here to stay," Alvarado said.

Why It Matters

The rise in the 10-year U.S. Treasury yield to 5% affects borrowing costs across the economy, including the average 30-year fixed mortgage rate which increased from 6.15% at the start of 2026 to 6.76% by mid-September. Global bond markets showed similar pressure, with yields in Australia, the United Kingdom, and Germany reaching multi-year highs while Japanese yields traded near 3%.

Market participants are weighing the likelihood of a Federal Reserve rate hike at the September 15-16 meeting against the backdrop of rising corporate earnings that have supported equity markets. The divergence between higher bond yields and a stock market up more than 11% for the year shows the complex interplay between inflation expectations, central bank policy, and economic growth indicators.

Timeline

"The report had little impact on our inflation view but pushed market pricing of a hike to nearly 90%, high enough that the FOMC will likely want to avoid the market reaction that would likely follow from remaining on hold." "A move this week would help restore the Fed's inflation-fighting credibility and might ease some of the upward pressure on long-term yields."

What's New

"What we’ve been communicating to our clients is ‘normal for longer,’ meaning these factors are here to stay." The European Central Bank raised interest rates in the week ending September 14, 2026, marking its second hike of the year. In 1992, Scott Bessent, then a hedge-fund manager, participated in a bet against the British pound, which led to the pound's devaluation and the British government's withdrawal from the European Exchange Rate Mechanism, according to The New Yorker.

How Sources Differ

Reserve Bank of Australia and Bank of England yield data indicate the 10-year government bond yields in Australia and the United Kingdom were both above 5%. Bank of Japan yield data show Japanese 10-year government bond yields traded near 3%.