The date by which Prime Minister Keir Starmer is expected to announce his resignation has been brought forward by 1 day, from 20 July 2026 to 19 July 2026. The shift in the implied resignation date was reflected in betting markets on Polymarket.
Starmer's resignation is now expected to be announced by ~86% probability on 19 July 2026, a day earlier than previously forecast. The change in the expected exit date comes amid ongoing speculation about the PM's future leadership of the Labour party.