Democrats hold a commanding position in the 2026 House race, reflected in the 92.5% implied probability, due to consistent leads of 8–9.6 points on the generic congressional ballot and widespread forecasts projecting 230-plus seats. Primary drivers include historical midterm patterns favoring the opposition party, President Trump’s low approval ratings amid economic discontent, and voter concerns over inflation and energy prices tied to the ongoing Iran conflict. These factors have shifted numerous competitive districts toward Democrats in recent ratings and polling. A Republican victory would require substantial polling error, a sharp late-cycle shift in voter sentiment, unusually high turnout among the president’s supporters, or unforeseen developments in key battlegrounds that overcome the current structural disadvantage.