With the 2026 midterm elections scheduled for November 3, trader focus centers on polling averages in competitive House districts, early voting turnout patterns, and historical data on when the Associated Press decision desk projects majority control. Recent national generic ballot trends and state-level results in battleground areas shape assessments of which party holds the edge in reaching 218 seats. Key variables include the number of open seats, candidate fundraising, and any last-minute campaign developments that could shift margins in closely contested races. Vote counting timelines in key states, along with AP's use of precinct-level data and statistical models, typically determine the timing of a call, often occurring on election night or in the following days once sufficient results are in.