Investing.com -A relentless global bond market sell-off accelerated on Tuesday, driving sovereign borrowing costs across Europe, Asia, and North America to generational highs as escalating military conflict in the Middle East and persistent central bank hawkishness combined to trigger a historic retreat from fixed-income assets.

In Europe, Germany’s policy-sensitive two-year Schatz yield jumped for a fifth consecutive session to 2.936%, its highest level since July 2024. Long-end core yields suffered even sharper declines in price:

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  German 10-Year Bund Yield: Advanced to 3.352%, reaching its highest level since 2011.

  
  


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  German 30-Year Bund Yield: Surged to 3.841%, also touching its highest point since 2011.

  
  


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  French 10-Year OAT Yield: Escalated to 4.15%, hitting its highest level since November 2008 as mounting fiscal deficits amplified broader rate pressures.

  
  

The rout was equally pronounced in Asia, where Japan’s benchmark 10-year government bond (JGB) yield spiked to a landmark 3.000% - its highest level since late 1996 - while the two-year JGB yield jumped to a record high of 1.800%.

The global wave of bond selling reflects a profound shift in market dynamics: rather than acting as a traditional "safe haven" during geopolitical crises, sovereign debt is being heavily sold off as traders price in prolonged stagflation risks driven by surging energy costs and sticky inflation trajectories.

The anatomy of a Global bond rout

Direct U.S.-Iranian military strikes in the Persian Gulf - including missile exchanges targeting missile sites on Larak Island and retaliatory strikes on U.S. bases in Jordan - have driven crude prices past $90 a barrel.

Because energy costs feed directly into headline consumer prices, fixed-income investors are demanding significantly higher term premia to hold long-duration debt, fearing that inflation will remain elevated well into 2027.

The sell-off gathered momentum following Federal Reserve Chair Kevin Warsh’s address at Jackson Hole, where he signaled that central bankers still "have work to do" to tame inflation.

Money markets swiftly re-priced the odds of a 25-basis-point Fed rate hike in September to 60%. Across the Atlantic, the European Central Bank is widely expected to deliver another rate hike on Sept. 10, while the Bank of Japan faces immense pressure to tighten monetary settings at its upcoming meeting.

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 actively shrinking their balance sheets via quantitative tightening, private markets are struggling to absorb supply without forcing yields sharply higher.

With global yield curves flattening and steepening erratically across regions, bond desks are bracing for incoming macroeconomic releases to gauge the next leg of central bank policy. Euro zone August CPI data due later today is expected to confirm sticky core inflation, cementing pricing for ECB tightening next week.

The July U.S. JOLTS job openings report today, followed by Friday’s nonfarm payrolls (NFP) print, will provide the final employment inputs before the Fed’s Sept. 16 rate decision.