Pollster ratings · Crosstab Trust Index

InsiderAdvantage C

Trust Score 28/100, rank #58 of 72 (high confidence; grade held in 83% of 400 resamples, plausible rank #32–64).

Average error
4.6
points, vs. 4.3 expected for its races
Versus other pollsters, same races
0.5 worse
points
Historical bias
D+0.3
which way its misses leaned
Winners called
62%
94 polls, 2004–2022

How InsiderAdvantage compares

Trust Score percentile19th (median 49)
Accuracy versus expected21th percentile
Random miss (consistency)±4.6 pts
MethodLive Phone
Transparency score7/10

Average error by election cycle

CyclePollsAvg errorBias
200465D+4.7
200674.5D+3.2
2008174.2D+1.1
201045.7R+1.3
201215.9R+5.9
201446.9D+6.9
201693.9D+3.9
201713.9D+3.9
201821.5D+1.5
2020143.6D+0.7
202110.1even
2022285.5R+3.9

InsiderAdvantage in 2026

14 polls this cycle; its polls have been 0.8 points more Republican than other polls of the same races (raw gap R+1.1, adjusted for its 13 polls); spread 0.78× what its sample sizes predict.

DatePollResultvs. other polls
09-29Ohio SenateBrown 44, Husted 43R+2.7
09-29Minnesota SenateFlanagan 46, Tafoya 45R+1.2
09-26Iowa SenateTurek 47, Hinson 46R+0.3
09-26Maine SenateJackson 46, Collins 46R+2.3
09-25Georgia SenateOssoff 50, Collins 42R+0.7
09-25Georgia GovernorLance Bottoms 46, Jackson 48R+0.4
09-21Florida SenateMoody 49, Nixon 42
09-18Michigan SenateEl-Sayed 47, Rogers 45R+0.3
09-18North Carolina SenateCooper 48, Whatley 43R+4.9
09-18New Hampshire SenatePappas 48, Sununu 40D+5
09-09Texas SenateTalarico 47, Paxton 46R+2.6
09-09Ohio SenateBrown 47, Husted 42R+0.6
08-17Georgia SenateOssoff 50, Collins 43R+0.9
08-17Georgia GovernorLance Bottoms 46, Jackson 46R+2.5

States polled: Florida, Georgia, Iowa, Maine, Michigan, Minnesota, North Carolina, New Hampshire, Ohio, Texas.

Compare InsiderAdvantage with

YouGov · Emerson College · University of New Hampshire Survey Center · The New York Times/Siena College · Beacon Research/Shaw & Co. Research · Rasmussen Reports · Ipsos · Siena College

Open InsiderAdvantage in the interactive Trust Index All pollster ratings

Frequently asked questions

Is InsiderAdvantage accurate?

InsiderAdvantage is rated C in the Crosstab Trust Index (Trust Score 28 of 100, rank 58 of 72, high confidence). Its final polls missed the actual margin by 4.6 points on average, against 4.3 expected for the races it polled, and it called the winner in 62% of races.

Does InsiderAdvantage lean Republican or Democratic?

Historically, InsiderAdvantage's misses leaned D+0.3 on average. In 2026 its polls have been 0.8 points more Republican than other polls of the same races. Lean describes how its numbers compare; it isn't an accusation of bias.

What has InsiderAdvantage polled in 2026?

14 polls in Crosstab's data, including Ohio Senate, Minnesota Senate, Iowa Senate, Maine Senate, Georgia Senate.

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.