This market will resolve to the individual who holds the office of the Prime Minister of the United Kingdom at 11:59 pm GMT on 1 January 2027.

Primary source: the official gov.uk list of ministers or a statement from Buckingham Palace.

Tie-breaker: If the office is vacant at the time of resolution, it will resolve to the person who most recently held the office and has not formally resigned or been dismissed.

Acting Prime Minister: If an Acting Prime Minister is appointed by the King (Monarch) and exercises the full powers of the office, they will count as the winner.

General Election: If a General Election occurs before the resolution date, the winner of that election will be the resolution target.