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Sterling pauses after four-week rally as investors brace for US sanctions on Iran - Finance news and analysis from Global Banking & Finance Review
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Sterling pauses after four-week rally as investors brace for US sanctions on Iran

Published by Global Banking & Finance Review

Posted on August 24, 2026

3 min read

· Last updated: August 24, 2026

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Sterling Eases After Four-Week Rally Amid US Sanctions Concerns and UK Outlook

Market Movements and Economic Factors Affecting the British Pound

Sterling Performance and Recent Trends

Aug 24 (Reuters) - The British pound ticked lower against the dollar on Monday, easing from a four-week rally and as investors braced for a wave of U.S. sanctions on Iran and its trading partners.

Sterling dipped nearly 0.1% to $1.3633 by 0956 GMT, after hitting a more than six-month high of $1.3675 on Friday. The pound was flat versus the euro at 85.57 pence to the common currency.

Drivers Behind Sterling's Strength

Bank of England Policy Expectations

The pound is one of the best performing among Group of Seven peers this year, benefiting from market expectations that the Bank of England will hike interest rates towards the end of the year in the face of better-than-expected economic resilience.

Traders see benchmark interest rates rising by at least 25 basis points by December, LSEG data showed, although most economists anticipate no change. If pricing shifts to match those expectations, that could weigh on the currency.

Expert Insights on Monetary Policy

"The recent combination of resilient growth and easing domestic inflation pressures is encouraging and reinforces our view that there is no need to tighten monetary policy this year," said Maelle Quillevere, an economist at UBS Global Wealth Management, who expects rate cuts could potentially resume in 2027.

Economic Productivity and Outlook

Providing some relief to concerns about a sluggish economy, economists at the Resolution Foundation think tank said economic productivity was starting to show signs of sustained improvement, on the back of data last week that also pointed to strength among businesses and consumers.

Political Developments and Investor Sentiment

UK-EU Relations and Government Policy

Meanwhile, Prime Minister Andy Burnham told European Council President Antonio Costa that London should be bolder in pursuing closer ties with the European Union, ahead of a UK-EU summit this year.

The Burnham government's first budget in October will be key for investor confidence in Britain, at a time when concerns over elevated sovereign debt levels and higher borrowing costs have rattled bond markets in the U.S.

External Pressures: US Sanctions and Global Implications

The pound's weakness against the dollar on Monday was also as investors mulled the potential implications of U.S. sanctions on Iran and its trading partners, alongside concerns that it could provoke retaliation from Tehran.

U.S. Treasury Secretary Scott Bessent was expected to give a press conference at 1700 GMT.

(Reporting by Johann M Cherian in Bengaluru; Editing by Alex Richardson)

Key Takeaways

  • Sterling eased near $1.3633 after reaching $1.3675, with investors cautious ahead of U.S. sanctions on Iran, which sent the rial to record lows amid economic pressure (apnews.com)
  • UK productivity is showing signs of sustained improvement—output per hour rose ~1.1% annually over two years to June 2026, reversing previous declines, reinforcing sterling’s strength (investing.com)
  • Markets expect at least one BoE rate hike by December, despite economists like UBS viewing monetary policy as unlikely to tighten further this year and deferring cuts to 2027 (bankofengland.co.uk)

References

Frequently Asked Questions

Why did sterling pause after a four-week rally?
Sterling paused its rally due to investor caution ahead of potential US sanctions on Iran and speculation on future Bank of England interest rate moves.
How did the British pound perform against the dollar and euro?
Sterling dipped 0.1% to $1.3633 against the dollar and traded flat at 85.57 pence per euro.
What are traders expecting from the Bank of England?
Traders anticipate a possible 25 basis point rate hike by December, while most economists expect no change.
What economic factors are supporting the British pound?
The pound has benefited from resilient UK economic data and expectations of potential interest rate hikes.
What implications could US sanctions on Iran have for markets?
Possible US sanctions on Iran and its trading partners have led to market caution and concerns over potential retaliation from Tehran.

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