Global bond yields hit highest levels since financial crisis

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Global bond yields hit new highs

Highlights

G7 10-year yields reached 4.285%, the highest since 2008.
U.S. 10-year yields hit 5.041%, the highest since 2007.
U.K. 10-year yields climbed to 5.45%.
Markets price about 50 basis points of Fed tightening in 2026.

The average 10-year yield across the Group of Seven economies reached 4.285%, its highest since mid-2008 and about a percentage point above its level before the Iran war began, Reuters reported. The U.S. 10-year Treasury yield climbed as high as 5.041% on Tuesday, its highest since 2007, before retreating to around 5%.

Bond selloff spreads across major economies

The pressure extends well beyond U.S. Treasuries. Japan's 10-year government bond yield moved above 3%, reaching a three-decade high. Germany's equivalent yield was near its highest since 2009 at 3.55%, while French borrowing costs hovered near an 18-year high. U.K. 10-year yields reached 5.45%, their highest since 2007.

Oil prices above $100 have complicated the inflation outlook following the widening Middle East conflict. That has increased expectations that central banks will keep monetary policy tighter. Markets expect the Federal Reserve to raise rates Wednesday for the first time since 2023, while the Bank of Japan is expected to increase rates Friday. The European Central Bank raised rates last week, with markets considering further tightening.

U.S. rate markets have turned increasingly defensive. Swaps imply roughly 50 basis points of Fed tightening through the rest of 2026, including the September meeting. JPMorgan's Treasury client survey showed short positions rising 10 percentage points in the week through Sept. 14, while investors have also increased bearish positions in Treasury futures.

Debt loads meet higher financing costs

The rise in yields comes as governments face unusually large borrowing requirements. U.S. federal debt has reached about $40 trillion, while debt-to-GDP ratios remain historically elevated in the U.K. and euro zone. Heavy corporate borrowing linked to artificial intelligence investment is adding another source of bond supply.

Higher yields raise refinancing costs for governments and companies and increase public interest expenses, potentially reducing money available for defense, social programs, and other spending.

The U.S. Treasury has taken steps aimed at improving market conditions, including increasing planned debt repurchases. Yet longer-term yields have continued rising as investors weigh inflation, fiscal deficits, and reduced demand from traditional bond buyers.

The 5% threshold raises the stakes

The U.S. 10-year Treasury is a reference rate across global financial markets, making a sustained move around 5% consequential well beyond government debt. Corporate loans, mortgages, and asset valuations can all face pressure when benchmark borrowing costs rise.

For markets, the immediate test is the Federal Reserve decision. With bearish Treasury positioning already elevated and oil prices adding to inflation risks, investors are increasingly focused not only on the expected rate increase but also on how much additional tightening may follow. The combination of high debt, expensive energy, and rising interest costs leaves heavily indebted borrowers with less room to absorb another sustained increase in yields.

We have previously highlighted that Goldman Sachs and JPMorgan strengthen September Fed hike call.

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