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Pollster file

Quantus Insights

Historical accuracy is measured against certified results. Current-cycle records come from the canonical, deduplicated archive and do not by themselves change the sealed forecast.

Historical polls
8
Mean absolute error
6.38percentage points
Historical bias
R+2.32
Represented cycles
22024–2025
Current archive
97canonical records
History span
Oct 17, 2024through Nov 3, 2025
Identity

Known names and relationships

Known aliases
Quantus Insights (R)
Organization type
Single canonical organization
Cycles represented
2024 · 2025

8 eligible historical polls is a limited denominator; both MAE and bias may move materially as another cycle is added.

Canonical 2025–2026 archive

Current-cycle records

Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

12 shown · 97 total

Generic ballot

Generic ballot

Dem +3.7

Dem 43.8% · Rep 40.1%

Field dates
Dec 4–Dec 5, 2025
Sample
1,000 RV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Generic ballot

Generic ballot

Dem +5

Dem 44% · Rep 39%

Field dates
Nov 11–Nov 12, 2025
Sample
1,000 RV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Stevens +1.4

Haley Stevens 45.1% · Mike Rogers 43.7%

Field dates
Jun 29–Jun 30, 2026
Sample
947 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
El-Sayed +1.1

Abdul El-Sayed 45.2% · Mike Rogers 44.1%

Field dates
Jun 29–Jun 30, 2026
Sample
947 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Rogers +0.9

Mallory McMorrow 44.4% · Mike Rogers 45.3%

Field dates
Jun 29–Jun 30, 2026
Sample
947 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +13

Approve 43% · Disapprove 56%

Field dates
Jun 16–Jun 17, 2026
Sample
1,000 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Generic ballot

Generic ballot

Dem +4

Dem 47% · Rep 43%

Field dates
Jun 16–Jun 17, 2026
Sample
1,000 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Platner +1

Graham Platner 46% · Susan Collins 45%

Field dates
Jun 9–Jun 11, 2026
Sample
870 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Paxton +2

James Talarico 43% · Ken Paxton 45%

Field dates
Jun 3–Jun 4, 2026
Sample
800 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +14.4

Approve 42.2% · Disapprove 56.6%

Field dates
Mar 25–Mar 26, 2026
Sample
1,472 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
See this pollster in the Full Poll Archive →
Certified-result history

Eligible historical observations

8 shown · 8 total

CycleRaceTypeField endSamplePollResultError
2025VA · GovernorGov-G2025-11-03—D+9.0D+15.4R+6.4
2025VA · Attorney generalAG-G2025-11-03—0D+6.7R+6.7
2025NJ · GovernorGov-G2025-10-27—D+3.0D+14.4R+11.4
2025VA · GovernorGov-G2025-10-20—D+5.0D+15.4R+10.4
2025VA · Attorney generalAG-G2025-10-20—R+7.0D+6.7R+13.7
2024WI · PresidentPres-G2024-10-29—0R+0.9D+0.9
2024MI · PresidentPres-G2024-10-28—0R+1.4D+1.4
2024PA · PresidentPres-G2024-10-17—R+2.0R+1.7R+0.3

3 further rows are held in this pollster’s history shard as within-party or nonpartisan contests (Prim). Those carry no D/R orientation, so they are excluded from the error, bias and coverage figures above and from the table.

Method · historical final-three-week D/R general-election rows plus verified historical supplement; min n=5

Definition · bias_D is poll D-R margin minus actual D-R margin; positive overstates Democrats.

A missing sample, sponsor or source is labeled unavailable; it is never reconstructed.

Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.