Pollster ratings · Head to head

Change vs. NYT/Siena: which pollster is more accurate?

NYT/Siena comes out ahead on 5 of 7 measures in the Crosstab Trust Index, which grades pollsters on how close their final polls came to actual results from 1998 to 2022.

 
Change Research
C+
Trust Score 33/100 · rank #54
★ Ahead
The New York Times/Siena College
A+
Trust Score 84/100 · rank #3

Head to head

MeasureChangeNYT/Siena
Trust Score33/10084/100 ★
Average error
how far final polls missed the result
5.6 pts4.1 pts ★
Versus expected
error compared with what its races predicted
0.7 worse0.8 better ★
Consistency
random miss once its tilt is removed
±4.5 pts±3.9 pts ★
Historical bias
closer to even is better
D+3.2D+1.3 ★
Winners called71% ★69%
Track record
final polls analyzed, 1998–2022
102 polls92 polls
2026 polls1323
2026 lean
versus other polls of the same races
D+0.8 ★R+1

2026 races both have polled

RaceChange (latest)NYT/Siena (latest)
North Carolina SenateCooper 50, Whatley 43 (R+1.9 vs. avg)Cooper 50, Whatley 43 (R+5.6 vs. avg)
Iowa SenateTurek 41, Hinson 44Turek 46, Hinson 48 (R+3.5 vs. avg)

Compare them in the interactive Trust Index All pollster ratings

More comparisons: New York Times/Siena College vs. YouGov · Change Research vs. YouGov · Emerson College vs. New York Times/Siena College · Change Research vs. Emerson College · New York Times/Siena College vs. University of New Hampshire Survey Center · Change Research vs. University of New Hampshire Survey Center · Beacon Research/Shaw & Co. Research vs. New York Times/Siena College · New York Times/Siena College vs. Rasmussen Reports

Frequently asked questions

Which is more accurate, Change or NYT/Siena?

NYT/Siena has the smaller average error (4.1 pts vs. 5.6 pts). Overall, nYT/Siena comes out ahead on 5 of 7 measures in the Crosstab Trust Index (Change: C+, Trust Score 33; NYT/Siena: A+, Trust Score 84).

Which leans more Republican in 2026, Change or NYT/Siena?

NYT/Siena (R+1 versus other polls of the same races) compared with Change (D+0.8). Lean describes how a pollster's numbers compare with others; it isn't a measure of accuracy.

Have Change and NYT/Siena polled the same 2026 races?

Yes: 2 races in Crosstab's data, including North Carolina Senate, Iowa 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.