Keir Starmer's expected resignation date as Prime Minister has been brought forward by 1 day, from 8 October 2026 to 7 October 2026, according to the latest Polymarket data.
The shift in the implied resignation date suggests the political situation around Starmer's leadership is becoming more uncertain, with the PM's position potentially weakening.
Polymarket traders now see around ~86% probability that Starmer will have announced his resignation by the new 7 October 2026 date.