Pound eases as UK leadership uncertainty weighs on sterling and gilts

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Pound eases on UK leadership

Highlights

Sterling fell 0.2% to $1.321 Monday and has lost 3% since February amid heightened UK leadership uncertainty following Burnham's by-election win.
UK gilt yields near 4.85%, approaching post-2008 highs, as investors remain cautious due to political crises and concerns over the UK's public finances.
Options market pricing signals traders expect increased near-term volatility in sterling as fiscal policy direction under potential Burnham leadership remains unclear.

Leadership speculation unsettles currency markets

As reported by Reuters, the pound is down 0.2% at $1.321 on Monday as traders react to the prospect of a near-term change in UK political leadership. Sterling has lost about 3% since pressure on Starmer began to intensify in February, with concerns growing after Burnham, the former Greater Manchester mayor, won a by-election on Friday to return to Westminster.

Investors are now weighing what a Burnham leadership could mean for fiscal policy, including who he might appoint as chancellor and whether he would maintain existing budget rules. Nomura economist George Buckley says the most important issue for markets is Burnham's approach to fiscal policy, his choice of chancellor and whether he would stick to the fiscal rules.

The options market shows traders are willing to pay more to hedge against swings in the pound over the coming weeks than they were on Friday, indicating expectations of higher volatility as the political situation evolves.

Gilt market remains key risk for investors

For investors, the main pressure point remains the UK gilt market, where yields around 4.85% are close to their highest level since the 2008 financial crisis. That leaves Britain paying more for its medium-term borrowing needs than any other developed nation.

Repeated political crises and worries about stretched public finances are keeping investors cautious on gilts, which are seen as more volatile than many other government bonds. Burnham is viewed as more left-leaning than Starmer and, although he says he would keep finance minister Rachel Reeves' tight fiscal rules, markets are looking for firmer evidence.

Jefferies strategist Mohit Kumar says it is not obvious where funding for any additional spending would come from, arguing that further tax rises could prove counterproductive and that efficiency savings rarely work in practice. He says Jefferies stays away from the long end of the gilt curve, holds steepener positions and remains underweight sterling, while expecting further volatility in longer-dated UK bonds in the coming days.

Andy Burnham’s Makerfield by-election win revived investor scrutiny of UK fiscal credibility as markets assessed the likelihood of a Labour leadership challenge and what it could mean for borrowing and budget rules. Our earlier coverage noted that while the immediate move in gilts was limited, concerns about a potential leftward shift and changes to fiscal rules kept investors cautious, with oil and inflation dynamics also shaping yield moves.

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