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Sterling steady as investors weigh U.S.-Iran peace prospects

Published by Global Banking & Finance Review

Posted on June 10, 2026

3 min read

· Last updated: June 10, 2026

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Sterling Holds Steady as US-Iran Escalation and UK Events Shape Outlook

By Sophie Kiderlin

Market Reactions and Key Events Impacting Sterling

US-Iran Tensions and Currency Market Response

LONDON, June 10 (Reuters) - Sterling was broadly steady against the dollar on Wednesday, with investors closely monitoring the latest flare-up between the U.S. and Iran that has cast fresh doubt over prospects for a deal to end the war.

Iran's Revolutionary Guards said they had carried out missile and drone attacks on U.S. military bases in Jordan, Kuwait and Bahrain on Wednesday in retaliation for American strikes on Iranian targets around the Strait of Hormuz.

The exchange, after U.S. President Donald Trump said that Iran had downed a U.S. Apache helicopter near the strait, marks one of the most significant escalations since Washington and Tehran agreed to a ceasefire in April.

However, currency markets seemed to shrug off the latest attacks and remain focused on hopes of the conflict being resolved, with the safe-haven dollar treading water.

Sterling and Dollar Performance

Sterling was last up 0.13% against the dollar at $1.3393, having on Monday hit its lowest since May 18. Against the euro, sterling was little changed at 86.24 pence.

Upcoming UK Economic Data and Political Events

Markets are looking to Friday's UK GDP data, with further fresh impulses for sterling set to come thick and fast next week.

Key Economic Indicators

Various economic data points are due then, including inflation and retail sales figures, an interest rate decision from the Bank of England, and the crucial Makerfield by-election will take place on June 18.

Political Uncertainty and Leadership Prospects

The by-election could pave the way back to Westminster for Greater Manchester Mayor Andy Burnham, the candidate of the governing Labour Party. If he wins, he could ignite a party leadership battle that might see him replace Prime Minister Keir Starmer and revive concerns over UK fiscal policy.

Analyst Insights on Political Impact

"I think right now we're in a holding pattern because we haven't had an awful lot of political news from the UK in the last couple of weeks because obviously everybody's waiting for the by-election," Jane Foley, head of FX strategy at Rabobank, said. Following that however, various questions about UK leadership and policy will likely emerge, she said.

"I think sterling could be on the back foot because of political uncertainty," she said.

Bank of England Rate Decision and Market Expectations

The BoE's interest-rate decision will also come on June 18. Money markets were last pricing in a roughly 90% probability of rates being left unchanged then, but investors will be listening for any hints about the rate outlook. 

Interest Rate Outlook and Labour Market Concerns

"There's the risk that maybe the Bank of England doesn't hike interest rates as much as the market has been anticipating because of the weakness of the labour market," Foley said.

(Reporting by Sophie Kiderlin, editing by Gareth Jones)

Key Takeaways

  • Sterling was broadly unchanged at $1.3393 vs the dollar and at 86.24 pence vs the euro as markets focused on geopolitical risk and U.K. data ahead.
  • Iran’s missile and drone strikes on U.S. bases in Jordan, Kuwait and Bahrain marked a serious escalation of hostilities, yet markets remained relatively calm amid hopes for the ceasefire holding (apnews.com).
  • Investors are eyeing Friday’s U.K. GDP release and next week’s flurry of U.K. data—including inflation, retail sales, the Bank of England’s June 18 rate decision, and the Makerfield by‑election—that could heighten sterling volatility (mortgageonefinance.co.uk)

References

Frequently Asked Questions

How did sterling move in response to recent US-Iran tensions?
Sterling remained broadly steady against the dollar despite recent US-Iran military escalations, reflecting market focus on peace prospects.
What upcoming events might influence sterling's value?
Key events include Friday's UK GDP data, Bank of England's interest rate decision, and the Makerfield by-election on June 18.
Why are investors monitoring the Bank of England closely?
Investors expect guidance on future interest rates, especially amid UK labour market weakness and ongoing economic data releases.

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