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US borrowing costs hit 5% for first time since 2023 amid bond sell-off

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Almeida, L., & Partington, R. (2026, September 15). US borrowing costs hit 5% for first time since 2023 amid bond sell-off. The Guardian. https://www.theguardian.com/business/2026/sep/14/oil-prices-rise-drone-attacks-saudi-arabia-east-west-pipeline

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

The Guardian · collected 2026-09-15 · by Lauren Almeida, Richard Partington

Quick Summary

US government borrowing costs reached 5% for the first time since October 2023 due to increased oil prices driven by conflicts in the Middle East. On Monday, the yield on 10-year US Treasury bonds hit this critical level as global bond markets faced significant sell-off pressure, with Brent crude surging above $108 a barrel. This rise in borrowing costs comes amid anticipation of upcoming interest rate decisions from central banks including the Federal Reserve and the Bank of England, which are expected to address escalating inflation concerns.
Written by AI on 2026-09-15, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

The 10-year US Treasury yield breached the significant threshold of 5% for the first time since October 2023, driven by escalating inflation fears and energy supply disruptions. This milestone was reached as oil prices surged to over $108 a barrel, amid ongoing conflicts in the Middle East that threaten vital shipping routes like the Strait of Hormuz. The sell-off in bond markets intensified concerns about higher borrowing costs for consumers and businesses, with mortgage rates and auto loans expected to rise. Central banks worldwide are now considering more hawkish policies; the Federal Reserve is likely to raise interest rates this week to combat inflation. Treasury Secretary Scott Bessent's efforts to stabilize government debt have faltered under these pressures.

Written for “US Treasury Yields Soar” on 2026-10-31, grounded in this article and the 7 other(s) covering the same event.

Story

📰 US Treasury Yields Soar
Economy/Business · 8 article(s) covering the same event. Compare every outlet's account →

Compared with similar articles

This article reads unscored and hedges 17% of its claims. Each row says how that neighbour differs.
BBC News
Hedges 2 of 15 claims Outlet record 68/100
The Guardian
Hedges 3 of 22 claims Outlet record 66/100
“The articles describe related economic effects but different specific events: one focuses on rising Australian fuel prices, while the other reports on US borrowing costs hitting a threshold due to bond sell-offs.”
NBC News
Hedges 6 of 42 claims Outlet record 60/100
The Straits Times
Hedges 3 of 20 claims Outlet record 66/100
Semafor
⚖️ Leans right Hedges 0 of 3 claims Outlet record 60/100
Al Jazeera
Hedges 3 of 13 claims Outlet record 60/100
BBC News
Hedges 6 of 27 claims Outlet record 68/100
“Article A describes a rise in US government borrowing costs and bond sell-off due to oil prices, while Article B reports on the Federal Reserve's decision to raise interest rates. These are separate events with different times and focuses.”
NBC News
⚖️ Leans left Hedges 5 of 21 claims Outlet record 60/100
“Both articles discuss economic impacts of the war in the Middle East, but they describe different aspects: one focuses on US borrowing costs and bond sell-off, while the other reports on a CBO study about inflation.”
ABC News (US)
Hedges 3 of 20 claims Outlet record 70/100
“The articles discuss related economic events (bond sell-off and interest rate decision) but describe different specific occurrences on distinct days.”
Al Jazeera
Hedges 5 of 36 claims Outlet record 60/100
“Article A describes the rise in US borrowing costs to 5%, while Article B reports on the Federal Reserve's interest rate hike decision, which are different but related events.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
24
sentences that state something as happening or true
Uncertain
17%
4 of 24 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
66/100
The Guardian's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
8
Economy/Business
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-15 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

The Guardian · 2758 article(s) · 6 correction(s) detected
Running correction rate · 6 correction(s)

Who wrote this

Lauren Almeida
16 article(s) here · 1 carrying a prediction
🔮 Eight out of 10 properties in London’s most exclusive neighbourhoods – such as Mayfair, Belgravia and Knightsbridge – now sell below asking price, according to research by Coutts, which provides private banking services to wealthy clients.
🔮 The jump in gas prices comes as fears grow that there could be further supply disruptions in the Middle East, amid reports that the US and Israel have drawn up plans for renewed strikes against Iran after the US midterm elections.
🔮 Brent crude, the international benchmark for oil prices, rose by 3% to hit $112 a barrel for first time since 18 May.
🔮 Anthropic has said it will commit 5% of its shares to a fund for the “public good”, as the AI developer behind the Claude chatbot seeks to bolster its appeal before its stock market listing.
🔮 Aneisha Beveridge, the head of research at Hamptons, said when interest rates were low “the financial case for tenants to buy as soon as they could was fairly straightforward”.
🔮 The rise in borrowing costs will add further strain to France’s public finances, as the government also tries to pass a budget for next year to rein in its deficit.
🔮 A tax crackdown on online marketplaces such as Amazon and eBay that could raise up to £1bn more for the Treasury is reportedly being drawn up for John Healey’s first budget.
🔮 The report cited unnamed officials in Donald Trump’s administration who said the size and targets of potential strikes, and whether they will go ahead, are still being debated.
🔮 This year Lidl beat Morrisons to become the fifth largest grocer in Great Britain, with its market share hitting 8.6% in the 12 weeks to 17 May, according to figures from the market analysts Worldpanel by Numerator.
🔮 BT has agreed to buy the broadband supplier TalkTalk out of administration in a rescue deal that will save 900 jobs.
2026-10-05 · assertive framing · BT to buy broadband supplier TalkTalk, saving 900 jobs
Also by Lauren Almeida
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 16 articles by Lauren Almeida →
Richard Partington
8 article(s) here · 1 carrying a prediction
🔮 John Healey raised taxes on banks and landlords to fund a £100 winter handout for 20 million families as official forecasts made clear there is no end in sight for the cost of living crisis.
🔮 Data released under freedom of information laws and manually reviewed by the Guardian found 821 levelling up projects out of 1,347 were yet to be finalised as of May this year.
🔮 The measure could raise up to an extra £1bn by forcing them to collect VAT on behalf of large-scale sellers based in the UK as well as those overseas.
🔮 In a development that would honour a promise made by Andy Burnham in his Makerfield byelection campaign before entering Downing Street, the planned change, first reported by the Sunday Times, would result in the threshold at which small firms start paying business rates rising from £12,000 to £18,000.
🔮 They want the Nics threshold raised to £6,000, arguing this would help create jobs and ease inflation pressures on high streets.
🔮 In his speech at Labour’s conference in Liverpool this week, the chancellor warned that the government had limited resources to cushion the worldwide economic shocks hitting Britain, while arguing his budget would have fiscal discipline at its core.
🔮 Powered by the AI revolution, the US stock market had rallied to a fresh all-time high, as investors bet the multitrillion-dollar investment spree would overshadow the hit from the Iran war.
2026-09-20 · assertive framing · Are global stock markets heading for a crash?
🔮 Traders in the kingdom have warned it will run out of oil stocks for export if it does not reopen the east-west pipeline within days.
Also by Richard Partington
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 8 articles by Richard Partington →

Topics

Iran Saudi Arabia US Federal Reserve US Treasury Yemen

Subjects

Iran GPE · 6× Saudi Arabia GPE · 2× Donald Trump PERSON · 1× Hormuz GPE · 1× Houthi NORP · 1× Tehran GPE · 1× US Federal Reserve ORG · 1× US Treasury ORG · 1× Ukraine GPE · 1× Yemen GPE · 1×

Narrative

The spike came after Yemen’s Iran-aligned Houthi forces launched several attacks against Saudi Arabia and captured the strategic island of Perim in the Bab al-Mandab strait on Sunday, expanding their control of the waterway. The rise was also fuelled by the Gulf states postponing a meeting with Tehran to discuss creating a temporary shipping lane through the strait of Hormuz, a vital channel through which a fifth of the world’s oil and gas supply normally passes.
framing: assertive · carried by 1 article(s) · first seen 2026-09-15
🔮 Traders in the kingdom have warned it will run out of oil stocks for export if it does not reopen the east-west pipeline within days.
2026-09-15 · The Guardian
US borrowing costs hit 5% for first time since 2023 amid bond sell-off · assertive framing

Claims (24 extracted, 4 hedged)

US government borrowing costs have risen to 5% for the first time since 2023 as soaring oil prices fuelled by the war in the Middle East trigger an intensifying sell-off in the global bond market. asserted
prices → rise → market
The yield – in effect the interest rate – on 10-year US Treasury bonds hit the psychologically important threshold on Monday, on a day of renewed selling pressure on Wall Street as the global oil price reached $108 a barrel. asserted
price → hit → 108
With traders awaiting a crunch US Federal Reserve interest rate decision on Wednesday, the benchmark rate has steadily climbed from a low this year of 4% before the outbreak of the US-Israeli war on Iran in late February. asserted
rate → await → February
It comes as the rising global oil price stokes inflation fears, with the latest move prompted by a series of drone attacks that have forced Saudi Arabia to close a vital east-west crude pipeline as the fallout from the war mounts. asserted
fallout → come → war
Brent crude, the international benchmark for oil prices, surged to more than $108.5 a barrel on Monday – a 3.7% increase on the day. asserted
crude → surge → day
The spike came after Yemen’s Iran-aligned Houthi forces launched several attacks against Saudi Arabia and captured the strategic island of Perim in the Bab al-Mandab strait on Sunday, expanding their control of the waterway. The rise was also fuelled by the Gulf states postponing a meeting with Tehran to discuss creating a temporary shipping lane through the strait of Hormuz, a vital channel through which a fifth of the world’s oil and gas supply normally passes. asserted
fifth → come → supply
Traders in the kingdom have warned it will run out of oil stocks for export if it does not reopen the east-west pipeline within days. asserted
it → warn → days
Gas prices also climbed higher on Monday, with the UK benchmark rising by 5% to 208.73p a therm – its highest level since December 2022. asserted
benchmark → climb → December
It came despite Donald Trump on Monday announcing a deal between Ukraine and Russia not to hit each other’s energy targets, while insisting that he believed a politically sensitive rise in US diesel fuel prices was being driven by the conflict in Europe rather than the war in Iran. asserted
rise → come → Iran
With fears mounting as the Middle East war escalates, bond markets have come under intense selling pressure. asserted
markets → mount → pressure
The US 10-year Treasury yield is used in global financial markets as a benchmark for pricing other assets, meaning a jump in borrowing costs for Washington has consequences for countries, businesses and households worldwide. asserted
jump → use → countries
Borrowing costs also rose across Europe on Monday, including a rise in 30-year UK government yields to the highest level since March 1998. asserted
costs → rise → March
The moves come as traders await decisions on interest rates from the US Federal Reserve on Wednesday and the Bank of England on Thursday after the European Central Bank raised borrowing costs last week. asserted
Bank → come → costs
With investors anticipating an increase from the Fed and a hold decision from Threadneedle Street amid mounting inflationary pressures, analysts said global bond markets could face another week of renewed volatility. uncertain
markets → anticipate → volatility
Daniela Hathorn, a senior market analyst at Capital.com, said: “Markets are starting the week on a defensive footing, with the combination of another escalation in the Middle East and increasingly hawkish central-bank expectations weighing on risk appetite.” asserted
Markets → say → appetite
With wholesale energy prices on the rise, the cost of petrol and diesel hit new Iran war highs on Monday, according to the RAC, with the average cost of petrol climbing to 169.68p and diesel hitting 191.68p. uncertain
diesel → hit → 191.68p
The US-Israeli war with Iran has disrupted oil and gas supply across the Middle East this year, sending the oil price soaring from its prewar level of about $72 a barrel to peak at $126 in April. asserted
price → disrupt → April
Brent crude later fell back over the summer amid hopes of a lasting ceasefire, before starting to climb again after the memorandum of understanding between the US and Iran fell apart. asserted
memorandum → fall → US
After a recent stepping-up of hostilities the benchmark again rose above the $100 a barrel threshold last week for the first time since July. asserted
benchmark → rise → July
Chris Beauchamp, of the broker IG, said a “move back to the spring highs” looked increasingly likely. asserted
move → say → highs
“Oil markets are being subjected to their worst fears all at once – attacks on energy infrastructure, the closure of Hormuz and a breakdown in attempts to restart negotiations,” he said. asserted
he → subject → negotiations
“The risk of further disruption is also spreading beyond the Gulf, with the threat of renewed Houthi attacks on shipping adding another layer of uncertainty around key energy and trade routes. asserted
threat → spread → routes
“The major surprise is how calm markets remain in the face of all this, but if prices breach the March highs, things could get ugly very quickly.” Oil output from Saudi Arabia had been under pressure before the attacks on its major pipeline. uncertain
output → remain → pipeline
Riyadh told the Opec oil cartel recently that its crude production in August was at its lowest level since 1990, according to Bloomberg. uncertain
production → tell → Bloomberg
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