The date by which Prime Minister Keir Starmer is expected to resign has shifted 2 days earlier, from 28 July 2026 to 26 July 2026, according to Polymarket data.
The change in the implied resignation date comes as the probability of Starmer remaining PM on that date has increased to ~86%. Traders on the platform are now more confident the Labour leader will step down by the end of July 2026.