Key facts
- US 10-year borrowing costs hit 4.79%, the highest since January 2025.
- Oil prices surged above $92 a barrel due to Middle East tensions.
- US inflation was 3.4% year-over-year in July, exceeding the Fed's 2% target.
- Federal Reserve officials signaled a readiness to raise interest rates if inflation persists.
- US national debt has exceeded $40 trillion.
- 30-year mortgage rates in the US climbed to a one-year high of nearly 6.7%.
US borrowing costs reached a fresh high on Tuesday, with the effective interest rate on 10-year borrowing climbing to 4.79%, its highest level since January 2025. This surge was attributed to renewed strikes in the Middle East pushing oil prices above $92 a barrel, intensifying concerns over inflation.
These movements in global bond markets influence not only the US government's borrowing rates but also affect rates for mortgages, car loans, and credit cards. The spike in borrowing costs comes amid growing speculation that the Federal Reserve may increase interest rates later this month.
Federal Reserve Governor Michael Barr stated that inflation has been too high for five years and warned of decisive action to raise rates if it does not cool. These comments followed remarks from former Fed Chair Kevin Warsh, who indicated policymakers would need to act if cost-of-living pressures were not easing.
Latest figures show US prices rose 3.4% in the year to July, exceeding the Fed's 2% target, despite interest rates remaining unchanged for months between 3.5% and 3.75%. Investors are closely monitoring central bank communications for signals on future rate paths.
Inflation is a key concern for both the Fed and global investors, driving up bond yields. Governments sell bonds to raise funds, and investors typically demand higher returns when inflation is high or expected to rise. Beyond inflation, concerns also exist regarding global government borrowing levels and spending by Big Tech firms, particularly with uncertainty surrounding AI investment returns. The US national debt has now surpassed $40 trillion, doubling in a decade.
Following a spike in bond markets that pushed 30-year borrowing costs to levels not seen since 2007, Treasury Secretary Scott Bessent announced plans for the US government to buy back more debt to lower rates. However, the market's reaction was short-lived. In the US, 30-year mortgage rates have risen to a one-year high of almost 6.7%. Rising rates can curb borrowing and spending, potentially dampening economic growth as consumers cut back and businesses halt investment.