**Democratic prospects for major midterm gains in November 2026 rest on sustained leads in the generic congressional ballot and forecasts showing an 83-93% chance of retaking the House.** Multiple models place Democrats favored for Senate control as well, with probabilities around 60%. Traders appear to price in the typical midterm penalty for the president's party, compounded by low presidential approval, voter concerns over prices and affordability, and Democratic expansion of targets into traditionally Republican districts. Recent polling averages and race-by-race projections have reinforced this positioning, though some analysts note potential sampling challenges and the competitive nature of several Senate contests.