Key data on this page includes: Prediction Markets (Betfair, PredictIt, Hypermind), Polling (HuffPost Pollster), Fundamentals (Incumbency, Past Voting Results, etc.). Click here for details of the data collection and aggregation process. Want some additional insight on the values? Research papers are at ResearchDMR or email David directly. Everything is in terms of likeliness of the winner being in the Democratic party.

Overall House Control After 2018 Election