A £2,209 Polymarket bet has signalled a ~86% chance that Prime Minister Keir Starmer will resign from Downing Street by June 26, according to the market's implied probability.
The large trade, placed by user 'Dead-Skylight', closed a position betting on Starmer's resignation being announced by the end of June. Polymarket markets allow traders to speculate on political events, with the market price reflecting the consensus probability.