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30-year Treasury yield

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The gist

The 30-year Treasury yield hit 5.327%, its highest since 2007. Rising yields lift mortgage and borrowing costs, pressuring consumers and stocks.

Background

The 30-year Treasury yield has surged to levels not seen since 2007, driven by concerns over the U.S.-Iran war, rising oil prices above $90 a barrel, and inflation fears. Analysts also point to large federal deficits, heavy corporate borrowing, and uncertainty about Federal Reserve policy under Chairman Kevin Warsh. This rise in long-term yields reflects falling bond prices and reduced demand, and it pushes up borrowing costs for mortgages, auto loans, and credit cards.

How it unfolded

  1. Jul 31, 2026The 30-year Treasury yield closed at 5.27%, a level not seen since 2007.
  2. Aug 17, 2026The 30-year yield ended the week at 5.26%, the highest since June 2007, despite benign inflation reports.
  3. Aug 18, 2026The 30-year yield rose to 5.327%, its highest in 19 years, as U.S.-Iran tensions and oil prices above $90 fanned inflation fears. The 10-year yield also rose to 4.739%.

Who’s saying what

Analysts
Analysts say the Treasury market is reacting to groaning federal deficits, bonkers corporate borrowing, and uncertainty about monetary policy under Fed Chairman Kevin Warsh.
Expert
Anthony Saglimbene of Ameriprise Financial noted that for much of the last 15 years, stable-to-falling interest rates consistently supported higher stock prices, implying the current rise is a shift.

Sources

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