Actual result
D+43.3
Final polls said
D+38.0
1 late poll · ✓
Model predicted
D+30.1
✓
Winner
Dem
"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).
Final rankings
How everyone who called this race did, ranked — VotePredictor shown inline (★).
Pollsters — each pollster's final poll vs the result
| # | Pollster | Final call | Miss | Called |
|---|---|---|---|---|
| 1 | Gravis Marketing | D+38.0 | 5.3 | ✓ |
| 2 | Braun Research | D+37.0 | 6.3 | ✓ |
| 3 | VotePredictor | D+30.1 | 13.2 | ✓ |
Forecasters — pre-election win probability, scored by Brier
| # | Forecaster | Win prob | Brier | Called |
|---|---|---|---|---|
| 1 | Cook Political | Dem 99% | 0.000 | ✓ |
| 2 | DDHQ/Decision Desk | Dem 100% | 0.000 | ✓ |
| 3 | The Economist | Dem 100% | 0.000 | ✓ |
| 4 | FiveThirtyEight | Dem 100% | 0.000 | ✓ |
| 5 | Sabato's Crystal Ball | Dem 99% | 0.000 | ✓ |
| 6 | VotePredictor | Dem 100% | 0.000 | ✓ |
Polls (2)
| Pollster | Date | n | Poll | Miss |
|---|---|---|---|---|
| Gravis Marketing | 2018-10-31 | 885 | D+38.0 | 5 |
| Braun Research | 2018-10-09 | 495 | D+37.0 | 6 |