Public dissatisfaction with Keir Starmer’s government has fueled speculation of a Labour leadership contest, but no formal challenge has yet secured the required 20% MP nominations. Wes Streeting’s May resignation and recent signals that he could move to trigger a vote soon, combined with Andy Burnham’s candidacy in today’s Makerfield by-election, represent the main near-term catalysts; Burnham has stated he would enter any contest if elected. Starmer has confirmed he would stand and fight. The National Executive Committee would set the timetable once nominations clear the threshold. Trader pricing, which heavily favors later 2026 dates, reflects uncertainty over whether sufficient parliamentary support will materialize quickly or whether the party will delay action amid the ongoing crisis.