Recent polling shows Democrats holding a modest generic ballot edge, which traders view as a potential driver of higher opposition turnout in the November 2026 House contests. Historical midterm participation rates, typically 40-50 percent of the voting-eligible population, anchor expectations around the 120-130 million vote range that leads current pricing. Ongoing state-level redistricting and primary results offer limited signals on national enthusiasm, leaving room for shifts from late-cycle mobilization or external events. The broad distribution across outcomes underscores uncertainty over whether participation will match elevated 2018 levels or revert closer to recent cycles.