20 final polls from 2019 to 2022 (average error 5 points): too few to grade. Crosstab grades every 2026 pollster on its own results after Election Day.
17 polls this cycle; its polls have been 4.2 points more Republican than other polls of the same races (raw gap R+5.2, adjusted for its 16 polls); spread 1.02× what its sample sizes predict.
| Date | Poll | Result | vs. other polls |
|---|---|---|---|
| 09-30 | Maine Senate | Jackson 46, Collins 48 | R+3.7 |
| 09-30 | Maine Governor | Pingree 47, Charles 38 | R+2.2 |
| 09-23 | Michigan Senate | El-Sayed 45, Rogers 45 | R+3.2 |
| 09-23 | Connecticut Governor | Lamont 48, Fazio 41 | R+8.3 |
| 09-22 | Michigan Governor | Benson 47, James 44 | R+6 |
| 09-17 | Alaska Senate | Peltola 46, Sullivan 49 | R+7.8 |
| 09-17 | Alaska Senate | Peltola 46, Sullivan 48, J. Sullivan 1, Heikes 1 | R+4.6 |
| 09-16 | Iowa Senate | Turek 42, Hinson 46 | R+5.2 |
| 09-16 | Iowa Governor | Sand 46, Lahn 42 | R+1.9 |
| 09-15 | New Hampshire Senate | Pappas 46, Sununu 46 | R+4.5 |
| 09-15 | New Hampshire Governor | Warmington 34, Ayotte 55 | R+10.7 |
| 09-15 | Minnesota Governor | Klobuchar 47, Demuth 45 | R+9.5 |
| 09-11 | Kansas Governor | Holscher 43, Masterson 51 | |
| 09-10 | Kansas Senate | Hamilton 44, Marshall 49 | R+4.8 |
| 07-02 | New York Governor | Hochul 47, Blakeman 41 | R+10.2 |
| 10-13 | New Hampshire Senate | Pappas 45, Sununu 42 | R+1.8 |
| 09-12 | New Hampshire Senate | Pappas 46, Sununu 43 | D+1 |
States polled: Alaska, Connecticut, Iowa, Kansas, Maine, Michigan, Minnesota, New Hampshire, New York.
Open co/efficient in the interactive Trust Index All pollster ratings
co/efficient has 20 final polls in the 1998–2022 results data, too few to receive a grade (at least 20 graded polls are needed). Its average error was 5 points.
Historically, co/efficient's misses leaned R+4.6 on average. In 2026 its polls have been 4.2 points more Republican than other polls of the same races. Lean describes how its numbers compare; it isn't an accusation of bias.
17 polls in Crosstab's data, including Maine Senate, Maine Governor, Michigan Senate, Connecticut Governor, Michigan Governor.
Grades: Crosstab Trust Index, computed from FiveThirtyEight's pollster-ratings data (CC BY 4.0), 1998–2022; 2026 measures from Crosstab's polling data.
Updated 2026-10-04 · Crosstab, nonpartisan polling analysis.