Democrats hold a strong position heading into the November 2026 midterms, with forecasts showing roughly 90 percent odds of House control and 55-75 percent odds of Senate control, driven by President Trump’s low approval ratings near 38 percent and voter dissatisfaction with economic conditions including cost-of-living pressures. National generic ballot leads for Democrats have reached 8-10 points in recent polling averages, supporting expectations of seat gains. However, structural factors such as Republican redistricting advantages, a challenging Senate map concentrated in states carried by Trump in 2024, and historical limits on midterm wave sizes keep the probability of an outsized “tsunami” outcome—defined by very large net gains across both chambers—below even odds in trader pricing. Upcoming final polls and turnout patterns in battleground districts will further shape the scale of any shift.