**Democratic polling leads in the generic congressional ballot have held steady near 8–10 points in October 2026, fueled by President Trump’s sub-40% approval ratings, voter dissatisfaction with economic conditions, and the ongoing Iran conflict.** These factors have produced consistent advantages among independents and in expanded battlegrounds, positioning Democrats to regain House control and compete closely for the Senate. However, the “blue tsunami” threshold—235 or more House seats plus 51 Senate seats—requires unusually large net gains that exceed typical midterm swings and face Senate map constraints. Recent Cook Political Report shifts and state-level polling support Democratic momentum but leave the supermajority outcome uncertain, sustaining the slight trader consensus against it.