Updated Aug 19, 2026
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Global bond sell-off deepens, long-term government yields hit multi-decade highs

NEW YORK, Aug 19. Long-term government borrowing costs have climbed to multi-decade highs as a global bond sell-off deepens, with persistent inflation fears and a surge in AI-related debt issuance cited as the primary drivers.

By Callum Whyte2 min read
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Key takeaways

  • Long-term government borrowing costs have risen to multi-decade highs as a global bond sell-off deepens.
  • The sell-off's primary drivers are persistent inflation fears and a surge in AI-related debt issuance.
  • Inflation concerns have made investors cautious about holding long-duration government debt, pushing prices lower and yields higher.
  • AI infrastructure spending has driven a wave of new corporate bond issuance, adding supply to an already pressured market.
  • The sell-off has weighed on sovereign bonds across multiple markets.

NEW YORK, Aug 19. Long-term government borrowing costs have climbed to multi-decade highs as a global bond sell-off deepens, with persistent inflation fears and a surge in AI-related debt issuance cited as the primary drivers.

The sell-off has weighed on sovereign bonds across markets. Inflation concerns have kept investors cautious about holding long-duration government debt, pushing prices lower and yields higher. Artificial intelligence infrastructure spending has separately driven a wave of new corporate bond issuance, adding supply to a market where demand for long-dated paper was already under pressure.

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Frequently asked

What is driving the global bond sell-off?

The sell-off is being driven primarily by persistent inflation fears and a surge in AI-related debt issuance.

Why are long-term government yields rising?

Inflation concerns have kept investors cautious about holding long-duration government debt, pushing bond prices lower and yields higher.

How has AI spending affected the bond market?

Artificial intelligence infrastructure spending has driven a wave of new corporate bond issuance, adding supply to a market where demand for long-dated paper was already under pressure.

How widespread is the sell-off?

The sell-off has weighed on sovereign bonds across markets, with long-term government yields hitting multi-decade highs.