House Effects
Monday, September 21, 202643 days until Election Day, November 3, 2026
Pollster record · how records are scored

Gravis Marketing

Method: text/web mix · scored polls from 2012 to 2025

Versus the field
+0.20
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +0.54; 50% own record)
Average miss
5.4
points on the margin, as published
House effect
R+0.2
lean relative to other polls of the same races
Scored polls
223
129 races · 1 polls this cycle
By cycle

Record over time

Error relative to other pollsters in the same races (negative is better), and lean relative to them. Cycles with fewer than 10 scored polls are grayed: a handful of polls says little.

CyclePollsAvg. missVersus the fieldLean vs. field
2012535.6+1.6R+2.8
2014306.3+0.7R+0.3
2015122.90.0
2016725.1+0.1R+0.4
2017114.70.8D+0.4
2018305.4+1.0D+1.1
2020234.6+0.1D+0.7
202421.11.9R+2.5
202515.41.5D+1.0
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Jun 9, 2026Governor FLDavid Jolly v. Byron DonaldsR+5
The receipts

Most recent scored polls

Polls in the final two months of a race with a certified result. “Others” is the average miss of other pollsters in the same race.

Poll dateRacePollResultMissOthers' miss
Oct 18, 20252025-GOV-VA D+10D+15.4R+5.4R+6.4
Oct 31, 20242024 PresidentR+1R+1.5D+0.5D+3.8
Oct 31, 20242024 Generic ballotR+1R+2.7D+1.7D+3.5
Dec 30, 20202020 Senate, GAD+2D+2.1R+0.1R+1.0
Dec 30, 20202020 Senate, GAD+3D+1.2D+1.8R+0.9
Oct 29, 20202020 PresidentD+6D+4.4D+1.6D+4.4
Oct 28, 20202020 Senate, AZD+5D+2.3D+2.7D+4.1
Oct 28, 20202020 House, AK-1R+5R+9.1D+4.1D+6.1
Oct 28, 20202020 President, AKR+9R+10.1D+1.1D+4.1
Oct 28, 20202020 President, AZD+4D+0.3D+3.7D+2.3
Oct 28, 20202020 President, NVD+6D+2.4D+3.6D+2.5
Oct 28, 20202020 President, OHR+2R+8.0D+6.0D+6.3
Oct 28, 20202020 President, TXR+5R+5.6D+0.6D+3.0
Oct 28, 20202020 Senate, TXR+6R+9.6D+3.6D+3.7
Oct 28, 20202020 Senate, AKR+3R+12.7D+9.7D+7.9
Oct 27, 20202020 Senate, NCD+2R+1.7D+3.7D+6.2
Oct 27, 20202020 President, NCD+3R+1.3D+4.3D+2.8
Oct 27, 20202020 Governor, NCD+8D+4.5D+3.5D+5.8
Oct 26, 20202020 Senate, MND+14D+5.2D+8.8D+4.1
Oct 26, 20202020 President, MND+14D+7.1D+6.9D+1.7
Oct 24, 20202020 Senate, MID+11D+1.7D+9.3D+5.3
Oct 24, 20202020 President, MID+13D+2.8D+10.2D+4.3
Oct 23, 20202020 President, PAD+7D+1.2D+5.8D+4.0
Oct 23, 20202020 President, WID+11D+0.6D+10.4D+6.1
Sep 11, 20202020 President, AZD+2D+0.3D+1.7D+2.3
Sep 11, 20202020 Senate, AZD+5D+2.3D+2.7D+4.1
Nov 2, 20182018 Governor, FLD+1R+0.4D+1.4D+3.8
Nov 2, 20182018 Governor, AZR+13R+14.2D+1.2D+1.9
Nov 2, 20182018 Senate, AZR+1D+2.3R+3.3R+1.0
Nov 2, 20182018 Senate, FLD+3R+0.1D+3.1D+1.3
Nov 1, 20182018 Governor, VTR+10R+14.9D+4.9D+2.0
Nov 1, 20182018 House, VT-1D+38D+43.3R+5.3R+6.3
Nov 1, 20182018 Senate, CTD+23D+17.4D+5.6D+0.1
Nov 1, 20182018 Governor, CTD+9D+3.7D+5.3D+0.2
Oct 30, 20182018 Governor, OHD+5R+3.7D+8.7D+4.6
Oct 30, 20182018 Senate, MID+13D+6.5D+6.5D+6.3
Oct 30, 20182018 Senate, OHD+9D+6.8D+2.2D+5.7
Oct 26, 20182018 Senate, NVD+2D+5.0R+3.0R+5.5
Oct 26, 20182018 House, MT-1EvenR+4.6D+4.6D+0.8
Oct 26, 20182018 Governor, CAD+20D+23.9R+3.9R+7.9
Oct 26, 20182018 Governor, NVD+2D+4.1R+2.1R+4.6
Oct 26, 20182018 Senate, MTD+3D+3.6R+0.6D+0.9
Oct 23, 20182018 Senate, FLD+4R+0.1D+4.1D+1.3
Oct 23, 20182018 Governor, FLD+5R+0.4D+5.4D+3.8
Oct 16, 20182018 Senate, IND+4R+5.9D+9.9D+6.7
Oct 8, 20182018 Governor, NYD+23D+24.0R+1.0R+5.2
Oct 8, 20182018 House, OR-5R-ALIGNEDR+23D+13.2R+36.2
Sep 22, 20182018 House, MT-1R+9R+4.6R+4.4D+0.8
Sep 22, 20182018 Senate, MTD+4D+3.6D+0.4D+0.9
Sep 12, 20182018 Governor, NVD+12D+4.1D+7.9R+4.6
Sep 12, 20182018 Senate, NVD+2D+5.0R+3.0R+5.5
Sep 11, 20182018 House, IA-2R-ALIGNEDD+7D+12.2R+5.2D+6.6
Sep 7, 20182018 Governor, AZR+4R+14.2D+10.2D+1.9
Sep 7, 20182018 Senate, AZR+1D+2.3R+3.3R+1.0
Mar 5, 20182018 House, PA-18R+3D+0.3R+3.3D+0.4
Feb 15, 20182018 House, PA-18R+5D+0.3R+5.3D+0.4
Dec 7, 20172017 Senate, ALR+4D+1.6R+5.6R+2.9
Dec 2, 20172017 Senate, ALD+4D+1.6D+2.4R+2.9
Nov 14, 20172017 Senate, ALD+5D+1.6D+3.4R+2.9
Nov 10, 20172017 Senate, ALR+2D+1.6R+3.6R+2.9