Key data on this page includes: Prediction Markets (Betfair, PredictIt, Hypermind), Polling (HuffPost Pollster, RealClearPolitics), 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. Unless noted, everything is in terms of likeliness of the winner being in the Democratic party.

The Republicans currently control 54 seats and Democrats 46. To control the Senate the Democrats need to pick up 4 seats + maintain presidency or 5 seats. so, to be clear, control means 50 seats + president or 51 seats. For the House click here.

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Topline *..*  Chart (Longer Trend)   *..*  Chart (Shorter Trend)   *..* State-by-State *..* Distribution of Possible Outcomes *..*  Map Version! *..* Topline (Raw Data)  *..* Market Data Only *..* Polling Data Only

Overall Control of the Senate (Updated every 2-3 minutes)

Overall Control of the Senate (Longer Trend)

Overall Control of the Senate (Shorter Trend)

PredictWise_November8_ChartSen

Senate Elections (in terms of Democratic Candidates)

Overall Control of the Senate (Distribution of Possible Outcomes)

PredictWise_November8_HistSen

Overall Control of the Senate (Raw Data)

Overall Control of the Senate (Updated every 2-3 minutes)

Overall Control of the Senate (Updated every 2-3 minutes)