UPDATE: The post below has been updated to reflect the Democratic flip of CA-21 and the results of the Mississippi special election. It is now up-to-date as of November 29th. Introduction The following document presents preliminary analysis of the performance of the Øptimus House and Senate models, as well as how they compare to other forecasting models and ratings. Overall, … [Read more...] about 2018 Midterm Forecasting model analysis- How well did we do?
Øptimus Legislative Model: Update November 5, 2018
On the eve of Election Day, there is a high likelihood of split chamber control of Congress once the dust settles. In the past week, the national environment shifted from D+7.9 to D+7.1 while presidential approval dipped to a net negative 14 points. It is a longshot for Republicans to keep the House, though Democrats do have a very narrow path to taking the Senate. Details … [Read more...] about Øptimus Legislative Model: Update November 5, 2018
Poll Release: AZ01 and OH07
As Election Day approaches, we took and in-depth look at our Congressional model to see if there were any districts in need of polling. We just went over 500 House polls released in 2018, and they have been distributed fairly well; there is at least one public poll in every single one of our Lean GOP, toss-up, or Lean Dem seats, and out of the 117 seats we consider any bit … [Read more...] about Poll Release: AZ01 and OH07
Presenting the 2018 Øptimus Gubernatorial (Polling) Model
As we head into the final weekend before Election Day, we're excited to reveal our gubernatorial probabilities. While we did not apply our House and Senate methodology to produce a full gubernatorial model, we wanted to release our take on where these races stood. We settled on a polling model, similar to what we use to input polling into our House and Senate models. Think of … [Read more...] about Presenting the 2018 Øptimus Gubernatorial (Polling) Model
Øptimus Legislative Model: Update November 2, 2018
As it was at the beginning of the week, the model is stable in the House and moved slightly towards Republicans in the Senate since Monday. The national environment shifted from D+7.9 compared to D+7. With just 8 days left until Election Day, we're predicting a strong possibility of split chamber control, with Democrats retaking the House but unable to retake the Senate. … [Read more...] about Øptimus Legislative Model: Update November 2, 2018