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Sterling slides as Trump vows more strikes on Iran, driving up dollar

Published by Global Banking & Finance Review

Posted on April 2, 2026

3 min read

· Last updated: April 2, 2026

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Sterling slides as Trump vows more strikes on Iran, driving up dollar
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By Harry Robertson LONDON, April 2 (Reuters) - The pound fell sharply on Thursday after U.S. President Donald Trump vowed more aggressive strikes on Iran and gave little reassurance about the

Sterling slides as Trump vows more strikes on Iran, driving up dollar

Market Reactions to Escalating Tensions in the Middle East

By Harry Robertson

Sterling's Performance Amid Geopolitical Uncertainty

LONDON, April 2 (Reuters) - The pound fell sharply on Thursday after U.S. President Donald Trump vowed more aggressive strikes on Iran and gave little reassurance about the reopening of the Strait of Hormuz, sending oil prices surging and investors flocking to the U.S. dollar.

Sterling was last down 0.74% at $1.3208, just a day after rising 0.6% on hopes that the war could soon be winding down. It earlier fell as much as 0.95%.

Impact of Dollar Strength

The drop was largely a function of a jump in the dollar, which is seen as a safe-haven asset. The index measuring the greenback against a basket of other major currencies rose 0.59%.

Britain's Economic Vulnerabilities

Britain is also highly exposed to energy imports and investors remain nervous about the country's fragile public finances. Yields on British government bonds jumped on Thursday as energy prices surged.

"Gilt yields are back in uncomfortable territory for the government, and for sterling," said Nick Rees, head of macro research at Monex Europe.

Trump's Statements and Global Market Impact

Escalation of Military Operations

In a televised address on Wednesday, Trump said military operations would be intensified in the next two to three weeks and offered no concrete timeline for ending the conflict.

"We're going to hit them extremely hard over the next two to three weeks," he said. "We're going to bring them back to the Stone Ages where they belong."

Strait of Hormuz and Oil Market Response

Trump said the U.S. did not need the Strait of Hormuz and again challenged allies who depend on Gulf oil to work towards reopening it.

Oil prices jumped after Trump's speech and stock markets and equity futures tumbled. Brent crude, the global benchmark, was last up 7.8% at $109.11 a barrel.

Safe-Haven Flows and Risk Aversion

"Risk aversion is following the typical playbook that we've seen throughout the conflict," said Michael Brown, senior research strategist at Pepperstone. 

"Crude rallying, and taking everything but the dollar lower in turn, with the greenback remaining the only real safe haven."

Currency Movements Across Europe

Sterling and Euro Performance

Sterling dipped against the euro on Thursday, with the euro zone currency up 0.18% at 87.27 pence.

The pound fell 1.9% against the dollar in March as the war raised concerns about an energy shock hitting the economy.

Broader European Currency Trends

Meanwhile, the euro fell 2.2% against the U.S. currency in a sign that almost all European economies are expected to slow.

(Reporting by Harry Robertson; Editing by Jan Harvey, Kirsten Donovan)

Key Takeaways

  • Trump’s aggressive rhetoric on Iran escalates geopolitical risk, boosting oil prices and safe‑haven demand for the U.S. dollar
  • Sterling is under pressure due to the U.K.’s energy import reliance and fragile fiscal outlook amid surging inflationary concerns
  • Oil popped around 6% (Brent ~ $108–108/barrel), intensifying pressure on currencies like the pound and accelerating divergence in central bank outlooks

References

Frequently Asked Questions

Why did the pound sterling fall against the dollar?
The pound fell due to increased demand for the safe-haven U.S. dollar after Trump vowed more aggressive strikes on Iran.
How did Trump’s announcement impact oil prices?
Oil prices surged, with Brent crude rising 6.6% to $107.90 a barrel, following Trump's address.
What was the market’s reaction to the ongoing conflict in Iran?
Investors flocked to the dollar, oil prices jumped, and stock markets as well as equity futures tumbled amid increased risk aversion.
How did the euro perform against the pound?
The euro rose 0.15% against the pound, reaching 87.24 pence, as sterling weakened further.
What are the economic concerns for the UK amid the conflict?
The UK faces worries due to its reliance on imported energy and fragile public finances, impacting the pound and government bonds.

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