House Effects
Sunday, October 11, 202623 days until Election Day, November 3, 2026
Pollster record · how records are scored

Triton Polling & Research

Method: ivr · scored polls from 2018 to 2022

Versus the field
+0.07
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +1.09; 7% own record). A thin record: too few scored polls to say much.
Average miss
11.4
points on the margin, as published
House effect
R+0.3
lean relative to other polls of the same races
Scored polls
12
10 races · 3 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
201855.4−1.0R+3.9
2020419.6+3.5D+3.4
2022310.7+2.4R+4.2
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Sep 24, 2026MT-1Sam Forstag v. Aaron FlintR+1
Sep 24, 2026Senate MTAlani Bankhead v. Kurt AlmeR+26
Jun 25, 2025Generic ballotD+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 27, 20222022 Senate, WAD+5D+14.5R+9.3R+6.1
Sep 22, 20222022 House, NY-19R-ALIGNEDR+10R+1.9R+7.7D+6.9
Jul 28, 20222022 House, NY-19R-ALIGNEDR+10D+5.3R+15.1R+12.5
Oct 20, 20202020 Governor, WVR+18R+33.9D+15.7D+16.6
Oct 20, 20202020 President, WVR+20R+38.9D+18.8D+15.7
Sep 30, 20202020 Governor, WVR+11R+33.9D+22.9D+16.6
Sep 30, 20202020 President, WVR+18R+38.9D+20.9D+15.7
Oct 13, 20182018 Generic ballotR+2D+8.5R+10.3R+0.6
Sep 20, 20182018 Governor, OHR+5R+3.7R+1.0D+5.4
Sep 20, 20182018 Senate, OHD+10D+6.8D+3.4D+5.5
Sep 12, 20182018 Governor, TNR+16R+21.0D+4.6D+6.3
Sep 12, 20182018 Senate, TNR+3R+10.8D+7.5D+6.9