Pollster · 360 of 1769
Gravis Marketing
Polls scored
55
Mean error
6.6 pt
Signed bias
D+1.08
Aggregation weight
0.72
Composite quality score
0–100 · weighted of 5 measured components54
of 100 · tier · moderate
Moderate quality. Worth checking individual signals before relying on this pollster's headline.
Pollster vs editorial consensus
alignedAcross 41 graded races, Gravis Marketing's released topline differed from the median editorial-rater consensus by an average of +0.1pp. That's well-aligned with the consensus — useful as a sanity check, less useful as a contrarian signal.
Mean delta
+0.1pp
Median delta
-0.5pp
Std-dev
5.7pp
N graded
41
Recent activity
Total all time
378
Last 30d
0
Last 90d
0
Last 180d
1
Per-cycle debrief appearances
| Cycle | Rank | Polls | MAE | Signed bias |
|---|---|---|---|---|
| 2020 | #4 / 20 | 4 | 4.84 pt | D+4.84 pp |
| 2018 | #10 / 25 | 17 | 4.19 pt | D+2.67 pp |
| 2016 | #17 / 19 | 5 | 7.75 pt | D+7.75 pp |
| 2014 | #20 / 21 | 4 | 7.71 pt | D+4.03 pp |
| 2012 | #11 / 12 | 3 | 7.64 pt | R+7.64 pp |
Recent polls
- 2/4/2026WA-3 · House · 2026John Braun 33.0 · Marie Gluesenkamp Perez 17.0 · Brent Hennrich 26.0
- 11/11/2025WA-3 · House · 2026John Braun 33.0 · Marie Gluesenkamp Perez 24.0 · Brent Hennrich 14.0
- 10/27/2020Alaska · Senate · 2020Dan Sullivan 48.0 · Al Gross 45.0
- 10/27/2020Arizona · Senate (special) · 2020Martha McSally 45.0 · Mark Kelly 50.0
- 10/27/2020Texas · Senate · 2020John Cornyn 49.0 · MJ Hegar 43.0
- 10/27/2020President · 2020Joe Biden 50.0 · Donald Trump 44.0
- 10/26/2020North Carolina · Senate · 2020Thom Tillis 44.0 · Cal Cunningham 46.0
- 10/26/2020President · 2020Joe Biden 48.0 · Donald Trump 44.0
- 10/26/2020President · 2020Joe Biden 47.0 · Donald Trump 49.0
- 10/26/2020President · 2020Joe Biden 43.0 · Donald Trump 52.0