Prime Minister Keir Starmer's expected resignation date has been moved up by 2 days, according to Polymarket data. The new projected resignation date is now 17 September 2026, down from the previous 19 September 2026.
The shift comes as the probability of Starmer resigning by the new date stands at ~86%, up from ~84% previously. Polymarket traders are now pricing in a higher likelihood of the Prime Minister departing Downing Street in the coming weeks.