VotePredictor
past elections

Oklahoma House

Jason Nichols (D) vs Markwayne Mullin (R)

Actual result
R+34.9
Final polls said
R+13.8
1 late poll · ✓
Model predicted
R+19.7
Winner
Rep

"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
1VotePredictorR+19.715.2
2SoonerPoll.comR+13.821.1

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1Cook PoliticalRep 99%0.000
2DDHQ/Decision DeskRep 100%0.000
3The EconomistRep 100%0.000
4FiveThirtyEightRep 100%0.000
5Sabato's Crystal BallRep 99%0.000
6VotePredictorRep 99%0.000

Polls (1)

PollsterDatenPollMiss
SoonerPoll.com2018-09-20245R+13.821