Elevated Democratic enthusiasm from primary turnout surges—up sharply versus 2022 even in Republican districts—and a nationalized contest viewed as a referendum on the Trump administration have anchored trader expectations for House turnout near or above recent midterm levels. Low presidential approval ratings, a Democratic edge in generic ballot polling, special election overperformance, and expanded mail and early voting options have sustained mobilization signals, while youth registration trends add modest structural support. Historical baselines of roughly 100-115 million total ballots, tempered by the absence of a presidential race, keep leading ranges clustered tightly around 115-125 million. Competitive House races, fundraising intensity, and potential late shifts in base turnout or economic sentiment remain key variables that could widen or narrow participation before November 3.