Recent high-stakes cycles and sustained polarization have kept expected House turnout clustered near 115-125 million votes, with the two leading bins nearly even as traders weigh historical midterm baselines around 46 percent of the voting-eligible population against signs of continued mobilization. Early 2026 primary participation in several states has run ahead of prior midterm cycles, while redistricting shifts and national issue salience around economic conditions and border policy influence get-out-the-vote intensity. The narrow spread between the top outcomes reflects uncertainty over whether enthusiasm will match 2018 or 2022 levels or moderate closer to longer-term averages, with fall campaign spending, candidate recruitment, and any late-breaking events in competitive districts positioned to widen the gap.