Democrats hold an 8- to 11-point lead on the generic congressional ballot in late October 2026 polls, while President Trump’s job approval has fallen to record lows near 31-36 percent amid broad dissatisfaction with the economy, inflation, and gas prices linked to the ongoing Iran conflict. These conditions have produced consistent forecasts of Democratic House gains sufficient to reach or exceed 230 seats in multiple models, alongside a 56-75 percent chance of Senate control. Trader consensus on a full blue tsunami—defined as at least 235 House seats and 51 Senate seats—reflects the strength of the national environment and historical midterm patterns for the president’s party, tempered by the number of competitive races and structural Senate map challenges that could limit the scale of any gains.