The implied resignation date for Prime Minister Keir Starmer has shifted 2 days earlier, from 23 Aug 2026 to 21 Aug 2026, according to the latest Polymarket data. This suggests the odds of Starmer's exit have increased by ~86%.
The change in the implied exit date comes as the market continues to closely track developments around the Prime Minister's political future. Starmer has faced growing pressure from within his own party in recent weeks, though he has so far resisted calls to step down.