US 10-year Treasury yield tops 5% for first time since 2023 on inflation fears
Synopsis
For the first time since 2023, the 10-year US Treasury yield crossed 5% — a level that once acted as a ceiling and now threatens to become a floor. With oil prices spiking on Middle East tensions, the Fed poised to raise rates, and German and British bonds hitting multi-decade highs, the world's borrowing costs are resetting at a pace that could reshape mortgages, corporate debt, and emerging-market capital flows.
Key Takeaways
The 10-year US Treasury yield briefly hit 5.01 per cent on 15 September — the first breach of that level since 2023 — before settling at 4.96 per cent .
The two-year Treasury yield settled at 4.632 per cent , its highest since 2024 .
Financial markets priced a 93 per cent probability of a Fed rate hike at the FOMC meeting on Tuesday–Wednesday , per LSEG data.
Crude oil surged as much as 5 per cent intraday, with Middle East conflict fears stoking inflation concerns.
German 10-year yields hit a 15-year high and UK gilt yields reached a 19-year high in a synchronised global bond sell-off.
US mortgage rates are approaching 7 per cent as Treasury yields rise, squeezing household affordability.
The yield on the benchmark 10-year US Treasury note briefly crossed 5 per cent on Monday, 15 September, as rising oil prices and mounting inflation concerns sparked a broad sell-off in government bonds, according to reports citing The Wall Street Journal. The move marks the first time the closely watched yield has breached that level since 2023, reigniting fears of a prolonged high-rate environment across global financial markets.
How the Session Unfolded
The 10-year Treasury yield climbed to approximately 5.01 per cent during intraday trading before retreating, ultimately settling at 4.96 per cent — snapping a five-day streak of consecutive increases. Meanwhile, the two-year Treasury yield settled at 4.632 per cent after touching its highest level since 2024. Crude oil prices surged as much as 5 per cent during the session before moderating to a gain of around 1 per cent.
Why the 5% Level Matters
The 10-year Treasury yield functions as a cornerstone benchmark for borrowing costs across the entire US economy. It directly influences mortgage rates, corporate debt, and a wide range of consumer and business loans. Its recent climb has already pushed US mortgage rates back towards 7 per cent, compressing affordability for home buyers and refinancers alike. This is the second time in roughly two years the yield has tested the psychologically significant 5 per cent threshold — a level that acted as a ceiling in 2023.
What Is Driving the Surge
The latest spike was partly fuelled by fears that ongoing Middle East conflict could keep energy prices elevated and sustain inflationary pressure. Investors were also positioned ahead of a critical Federal Reserve monetary policy decision later this week. Financial markets assigned a 93 per cent probability to an interest-rate increase at the meeting, according to LSEG data. The Federal Open Market Committee (FOMC) is scheduled to convene on Tuesday and Wednesday. Broader concerns about rising US government borrowing and surging capital demand from artificial intelligence infrastructure expansion also weighed on sentiment.
Political Pressure and Policy Response
President Donald Trump has publicly called for lower interest rates, while Treasury Secretary Scott Bessent has taken steps intended to contain long-term yields, including expanding the Treasury's purchases of longer-term government debt. Those interventions have so far failed to prevent yields from moving higher — a politically uncomfortable outcome ahead of the November 3 midterm elections, for which the administration has sought lower borrowing costs.
Global Bond Markets Follow Suit
The sell-off was not confined to the United States. German 10-year yields touched a 15-year high, while British government bond yields reached levels not seen in 19 years. Japanese yields also moved higher ahead of an expected Bank of Japan rate increase. The synchronised global rise in bond yields underscores how inflationary pressures and energy-price uncertainty are reshaping borrowing conditions worldwide.
Whether the 5 per cent level again serves as a ceiling — as it did in 2023 — or marks the beginning of a period of persistently higher long-term rates will depend heavily on this week's Fed decision and incoming energy-price data.
Point of View
Yet its own Treasury interventions have been ineffective — a sign that bond markets are now pricing structural concerns, not just cyclical ones. The confluence of Middle East energy risk, AI-driven capital demand, and rising sovereign borrowing means the Fed is fighting inflation on multiple fronts simultaneously. If 5 per cent becomes a floor rather than a ceiling, the mortgage and corporate-debt pain of late 2023 will look mild by comparison — and India's capital-flow dynamics, already sensitive to US rate differentials, will face renewed pressure.
NationPress
15 Sept 2026
Frequently Asked Questions
Why did the US 10-year Treasury yield cross 5 per cent?
The yield crossed 5 per cent on 15 September 2026 due to a combination of rising oil prices linked to Middle East conflict fears, mounting inflation concerns, and investor anticipation of a Federal Reserve interest-rate hike. It was the first time the benchmark yield reached that level since 2023.
How does a 5 per cent Treasury yield affect ordinary Americans?
The 10-year Treasury yield sets the baseline for mortgage rates, corporate loans, and consumer borrowing. Its recent rise has already pushed US mortgage rates back towards 7 per cent, making home purchases and refinancing significantly more expensive for millions of households.
What is the Fed expected to decide this week?
Financial markets placed a 93 per cent probability on an interest-rate increase at the Federal Open Market Committee meeting scheduled for Tuesday and Wednesday, according to LSEG data. A hike would add further upward pressure on Treasury yields.
Is the surge in US yields affecting other countries?
Yes. German 10-year yields touched a 15-year high, UK government bond yields reached a 19-year high, and Japanese yields also rose ahead of an expected Bank of Japan rate increase. The sell-off reflects a globally synchronised reassessment of long-term borrowing costs.
What could stop yields from rising further?
Analysts are watching whether 5 per cent will again act as a ceiling — as it did during the 2023 episode — or whether structural factors such as rising US government debt and AI-driven capital demand will sustain a higher-for-longer rate environment. This week's Fed decision and incoming energy-price data are the key near-term catalysts.
