10-Year Treasury Yield Nears 4.8% Danger Zone as Global Bond Rout Deepens

The 10-year Treasury yield climbed to 4.78%, its highest since 2025, as an unrelenting global bond rout pushed sovereign borrowing costs to levels last seen during the 2008 financial crisis. A Bloomberg gauge of global government debt rose for a fourth straight day to 3.72%, the highest since mid-2008, as rising oil prices fanned inflation concerns and investors ramped up bets that the Federal Reserve will raise rates.

"The bond market is not imploding, but it's sending a very clear memo that stickier inflation means higher for longer policy rates as the absolute minimum," said Prashant Newnaha, senior Asia-Pacific rates strategist at TD Securities in Singapore.

The selloff swept across every major debt market. Japan's 10-year government bond yield touched 3%, a level not seen since 1996, while the two-year yield hit a record 1.8%. Germany's 10-year Bund yield rose to 3.352%, its highest since 2011, and France's 10-year OAT reached 4.15%, the most since November 2008. The 30-year US Treasury yield stood at 5.27%, near levels last seen in 2007.

The move raises the stakes for the Fed's Sept. 16 meeting, where money markets now price a 60 percent probability of a 25-basis-point rate hike after Chair Kevin Warsh's hawkish Jackson Hole speech. Sustained high yields raise borrowing costs for households, businesses and governments worldwide, pressuring equity valuations and swelling debt-servicing burdens.

Fed Repricing Drives the Rout

The latest catalyst came from Warsh's address Friday, where he doubled down on a vow to finally tame inflation that has outpaced the central bank's target for five straight years. Fresh hostilities between the US and Iran, including missile exchanges targeting sites on Larak Island and retaliatory strikes on US bases in Jordan, have driven crude past $90 a barrel, feeding directly into headline consumer prices.

"Investors are beginning to reassess what neutral policy rates look like and there has been a gradual increase in those," said Idanna Appio, a portfolio manager and senior research analyst at First Eagle Investments, on Bloomberg TV.

Across the Atlantic, the European Central Bank is widely expected to deliver another rate hike on Sept. 10 after eurozone inflation hit a three-year high of 3.3 percent in August. The Bank of Japan faces pressure to tighten at its upcoming meeting, with US Treasury Secretary Scott Bessent telling CNBC he expected Japan to support the yen.

Borrowing Costs Bite Across the Economy

Governments worldwide are issuing record volumes of debt to fund defense expansion, energy transition projects and budget deficits — highlighted by Japan's record 143 trillion yen fiscal budget request and France's mounting public debt burdens. With central banks shrinking balance sheets through quantitative tightening, private markets are struggling to absorb supply without forcing yields sharply higher.

The last time global yields traded at these levels, in 2008, the financial system was collapsing under the weight of subprime mortgages. Today the pressure is more diffuse but no less consequential: higher yields raise mortgage rates, corporate borrowing costs and government interest bills at the same time.

"The bond selloff has been a global affair," said Jim Reid, a strategist at Deutsche Bank. "The main culprit was the weekend escalation in the Middle East that saw the US and Iran exchange strikes for the first time since late July."

Bond desks are now bracing for the July US JOLTS job openings report due today, followed by Friday's nonfarm payrolls print, which will provide the final employment inputs before the Fed's Sept. 16 decision. If the 10-year breaks decisively into the danger zone, it could force a repricing across bonds, stocks and credit markets.

This article is for informational purposes only and does not constitute investment advice.