Labour MPs to trigger leadership challenge within 30 days

Market overview

Internal Labour Party polling and backbench dissatisfaction will lead to a formal leadership challenge against Keir Starmer by mid-August. The push will be driven by electoral losses and perceived policy missteps, with at least 20% of Labour MPs publicly supporting a challenge.

leadership prediction market

Implied probability (Yes)

60%

More leadership markets

• Starmer survives leadership challenge, cabinet reshuffle by September 2027 — 55% Yes
• Labour Party replaces Starmer with Angela Rayner by 2027 — 45% Yes
• Prince Harry meets King Charles III during UK visit — 45% Yes
• Andy Burnham will win a parliamentary seat by 2028 — 60% Yes
• Labour Party removes Starmer as leader by October 2028 — 70% Yes
• Keir Starmer will survive Streeting's challenge by 2028-10-31 — 75% Yes
• Nigel Farage to become UK Prime Minister by 2027 — 35% Yes
• Wes Streeting will announce a leadership bid against Keir Starmer by July 2027 — 70% Yes

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