VotePredictor
past elections

Vermont Senate

Lawrence Zupan (D) vs Lawrence Zupan (R)

Actual result
D+39.9
Final polls said
D+36.0
1 late poll · ✓
Model predicted
D+38.6
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

#PollsterFinal callMissCalled
1Braun ResearchD+41.01.1
2VotePredictorD+38.61.3
3Gravis MarketingD+36.03.9
4Tulchin ResearchD+55.015.1

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Cook PoliticalDem 99%0.000
2DDHQ/Decision DeskDem 100%0.000
3FiveThirtyEightDem 100%0.000
4JHK ForecastsDem 100%0.000
5Sabato's Crystal BallDem 99%0.000
6Inside ElectionsDem 99%0.000
7VotePredictorDem 100%0.000

Polls (3)

PollsterDatenPollMiss
Gravis Marketing2018-10-31885D+36.04
Braun Research2018-10-09495D+41.01
Tulchin Research2018-09-25406D+55.015