PM Starmer's resignation date pushed back by 3 days to 25 Sept 2026

· implied p50 shift

Briefing

The Prime Minister's resignation date has been pushed back by 3 days to 25 September 2026, according to the latest Polymarket data. The exit date was previously set for 22 September.

This ~86% implied probability shift suggests the PM is expected to remain in office for slightly longer than previously anticipated, though the overall outlook for his future remains uncertain.