Democratic control of the House after the November 2026 midterms stands as the dominant driver behind Hakeem Jeffries’ 84.5% market price, with recent generic ballot polling averages and independent forecasts showing Democrats favored to gain the 3–13 seats needed for a majority. Jeffries, as current minority leader, would assume the speakership under standard party leadership succession if that outcome holds. Republican probabilities remain low because forecasts project the GOP losing ground in a midterm environment, leaving Mike Johnson, Jim Jordan, and Steve Scalise with limited paths unless Republicans exceed expectations and retain the chamber. On the Democratic side, Katherine Clark and Pete Aguilar appear in secondary roles tied to their current leadership positions but trail Jeffries in caucus positioning. Traders appear to weigh these structural and polling dynamics heavily in the weeks leading into the election.