VotePredictor
past elections

Montana House

Rob Quist (D) vs Greg Gianforte (R)

Actual result
R+5.6
Final polls said
R+9.0
3 late polls · ✓
Model predicted
R+16.7
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
1Garin-Hart-Yang Research GroupR+6.00.4
2Change ResearchR+5.00.6
3Gravis MarketingR+14.08.4
4Emerson CollegeR+15.09.4
5VotePredictorR+16.711.1

Polls (6)

PollsterDatenPollMiss
Gravis Marketing2017-05-22818R+14.08
Change Research2017-05-221888R+5.01
Gravis Marketing2017-05-03462R+8.02
Garin-Hart-Yang Research Group2017-04-26601R+6.00
Emerson College2017-04-20648R+15.09
Gravis Marketing2017-04-031222R+12.06