US government yields remain elevated, signaling a new normal for borrowing costs

The US government just made borrowing more expensive, and the bond market’s reaction suggests it expects this to last a while. The Federal Reserve raised its benchmark federal funds rate by 25 basis points on September 16, setting a new target range of 3.75%-4.00%. It’s the first rate hike since July 2023.

The day before the announcement, the 10-year Treasury yield peaked at 5.04%, a level not seen since 2007. It has since settled in the 4.94%-5.00% range. The 30-year yield, meanwhile, has been hovering near 5.3%.

To put the move in perspective: the 10-year yield sat around 4.07% roughly a year ago. That’s an increase of more than 20% in twelve months.

Why yields are climbing and staying there

Two forces are pushing long-term rates higher. The first is inflation. Year-over-year readings remain stubbornly elevated, fueled in part by rising energy costs tied to geopolitical tensions in the Middle East. The Fed’s updated economic projections make clear that officials see the fight as unfinished: 16 of 18 Fed officials indicated at least one more rate hike is likely before the end of 2026.

The second force is supply. The US Treasury has been issuing enormous amounts of debt, and a growing share of corporate borrowing is piling on top. Roughly $250 billion in corporate debt issuance is expected in 2026, much of it earmarked for AI infrastructure buildouts. Some analysts are now treating 5-6% yields on long-term Treasuries as plausible for the foreseeable future.

What higher-for-longer yields actually change

For consumers, higher long-term rates mean more expensive mortgages, car loans, and credit. Consumer spending accounts for roughly two-thirds of US GDP.

For businesses, the calculus depends on the sector. Capital-intensive industries like real estate, construction, and utilities rely heavily on cheap financing to make projects pencil out. At 5% Treasury yields, the hurdle rate for new projects jumps meaningfully.

For equity investors, the shift creates a valuation problem. When a risk-free Treasury pays 5%, the premium investors demand to own stocks increases. Growth stocks, whose value is heavily weighted toward future earnings, get hit hardest because those distant cash flows are worth less when discounted at higher rates.

The Fed’s balancing act gets harder

The decision to hike rates reflects a Fed that sees inflation as the more dangerous risk, even at the cost of slowing economic growth. Raising rates into an environment where long-term yields are already at multi-decade highs carries real risks. If the economy slows faster than expected, the Fed could find itself having tightened into a downturn.

For investors navigating this landscape, inflation-protected securities and commodities tend to perform better in high-rate, high-inflation environments. Fixed-income allocations suddenly offer meaningful real returns for the first time in years. Sectors that can demonstrate near-term cash generation may attract a premium, while those dependent on cheap financing to fund growth may find the market far less forgiving.

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