Republicans currently hold a narrow House majority ahead of the November 2026 midterms, with Speaker Mike Johnson leading GOP efforts to defend and expand their edge through aggressive redistricting in key states. Polling and fundraising data show Democrats maintaining a generic ballot advantage typical of midterm cycles, though recent map changes have increased the number of seats they must flip to secure control. Hakeem Jeffries, as Democratic leader, draws the highest implied probability because party rules and caucus dynamics position him to assume the speakership if Democrats gain the majority. Republican alternatives such as Johnson, Jim Jordan, and Steve Scalise reflect contingency pricing tied to a GOP hold, while lower Democratic names like Pete Aguilar and Katherine Clark capture limited hedging on internal leadership questions. Recent developments, including Johnson’s record midterm fundraising and progressive primary challenges testing Jeffries’ support, have kept the contest competitive without shifting the core driver of chamber control.