In a significant development, the Polymarket prediction market for Keir Starmer's resignation as Prime Minister has shifted the key deadline forward by 2 days. The market now indicates an ~86% chance Starmer will step down as PM by 14 September 2026, rather than the previous 16 September date.
The earlier deadline suggests growing market confidence in Starmer's political future, as Labour MPs continue to publicly call for the PM to resign. The Polymarket prediction is a closely watched indicator of Starmer's political fortunes, and this shift will fuel further speculation about his leadership.