Trust Score 23/100, rank #63 of 72 (medium confidence; grade held in 66% of 400 resamples, plausible rank #41–70).
| Trust Score percentile | 13th (median 49) |
| Accuracy versus expected | 31th percentile |
| Random miss (consistency) | ±4.4 pts |
| Method | IVR/Online Panel |
| Transparency score | 5/10 |
| Cycle | Polls | Avg error | Bias |
|---|---|---|---|
| 2012 | 24 | 4.1 | R+3.8 |
| 2014 | 10 | 4.8 | D+0.8 |
| 2015 | 1 | 22.9 | D+22.9 |
| 2016 | 47 | 4.8 | D+3.3 |
| 2017 | 5 | 4 | R+3 |
| 2018 | 20 | 3.9 | D+1.7 |
| 2020 | 21 | 4.8 | D+4.8 |
Open Gravis Marketing in the interactive Trust Index All pollster ratings
Gravis Marketing is rated C- in the Crosstab Trust Index (Trust Score 23 of 100, rank 63 of 72, medium confidence). Its final polls missed the actual margin by 4.6 points on average, against 4.4 expected for the races it polled, and it called the winner in 63% of races.
Historically, Gravis Marketing's misses leaned D+1.7 on average. Lean describes how its numbers compare; it isn't an accusation of bias.
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.