Pound dips as speculation mounts over PM Starmer exit - Finance news and analysis from Global Banking & Finance Review
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Pound dips as speculation mounts over PM Starmer exit

Published by Global Banking & Finance Review

Posted on June 22, 2026

3 min read

· Last updated: June 22, 2026

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Britain's pound weighed down, Starmer resignation clouds fiscal outlook

Market Reaction and Political Uncertainty

By Amanda Cooper

Immediate Impact on Sterling and Borrowing Costs

LONDON, June 22 (Reuters) - Sterling slipped and UK borrowing costs edged up on Monday, after Prime Minister Keir Starmer said he would resign and a new leader to be in place by September, leaving investors with no clarity on how Britain's next leader might run the economy.

Starmer, who has been in the job less than two years after his Labour party won a landslide election victory, said nominations for anyone to replace him would open on July 9. His rival Andy Burnham is the clear frontrunner. 

Sterling, which has lost some 3% since pressure on Starmer began to heat up in February, was down 0.2% at $1.319, near its lowest in three months.

Britain's Borrowing Costs in Global Context

Britain already has the highest borrowing costs in the Group of Seven wealthy nations due to its high debt and interest payments, years of anaemic economic growth, its struggles to cut spending and the need to invest in areas like defence.

Market Sentiment and Analyst Commentary

Reactions from Analysts

"At the moment, Andy Burnham is the favourite and he’s tried to reassure the gilt market that he will stick to the fiscal rules, and there are reports that he’s working with respected economists," said MUFG senior currency analyst Lee Hardman.

"That has definitely provided some reassurance to investors and will limit the downside risks for the pound and gilts in the near term."

Options Market and Gilt Yields

The options market shows traders are willing to pay more to hedge against volatility in sterling in the coming weeks than they were on Friday. 

UK 10-year gilt yields are at around 4.85%, not far off their highest since the 2008 financial crisis, meaning Britain must pay more for its medium-term borrowing needs than any other developed nation. 

Potential Scenarios for Leadership Transition

"The question is, is it going to be a coronation or a contest? If it's a coronation, then I think we can see a little bit of a rally in gilts and/or sterling holding on," CIBC head of G10 currency strategy Jeremy Stretch said of Starmer's potential successor.

"But if there's a contest, then the danger would be that could involve various protagonists involving themselves, or being dragged into fiscal commitments that they would not otherwise have made, or not be comfortable with. So that would be much more problematic from a sterling perspective."

Investor Concerns and Outlook

Political Instability and Fiscal Policy

Political instability and concern over Britain's stretched finances have made investors wary of sterling and gilts, which have been prone to higher volatility than other markets in recent years.

Views on Burnham and Fiscal Rules

Burnham is viewed as being more left-leaning than Starmer, and although he has said he will stick to incumbent finance minister Rachel Reeves' tight fiscal rules, investors will need to see proof.

Strategist Perspective on Long-Term Finances

Jefferies strategist Mohit Kumar said he had stayed away from long-dated gilts given concern about Britain's long-term finances. 

(Additional reporting by Alun John; Editing by Alexander Smith, Jan Harvey and Dhara Ranasinghe)

Key Takeaways

  • Andy Burnham won the Makerfield by-election on June 18 by a large margin, boosting speculation about a rapid leadership transition (lemonde.fr).
  • Prediction markets repriced Starmer’s exit odds sharply: chances he leaves before July 1 rose from ~11% to ~46%, with August/September exit probabilities also soaring (octagonai.co).
  • UK gilt yields remain elevated amid political instability; the pound declines as markets assess Burnham’s fiscal stance and potential impact on long-term borrowing costs (bloomberg.com).

References

Frequently Asked Questions

Why is the pound declining?
The pound is declining due to increased speculation over Prime Minister Keir Starmer's possible departure and concerns about the UK's fiscal policy.
Who might replace Keir Starmer as UK Prime Minister?
Andy Burnham is speculated to take over as Britain's next Prime Minister if Starmer steps down.
How do UK gilt yields compare globally?
UK gilt yields are currently around 4.85%, higher than other developed nations, reflecting greater borrowing costs due to fiscal concerns.
Will Andy Burnham stick to current fiscal rules if he becomes PM?
Andy Burnham has indicated he would respect existing fiscal rules, but investors remain cautious and need concrete proof.

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