Gravis Marketing/Kaplan Strategies
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
- 126
- Mean absolute error
- 4.57percentage points
- Historical bias
- D+1.52
- Represented cycles
- 72012–2020
- Current archive
- 0canonical records
- History span
- Oct 18, 2012through Dec 30, 2020
Known names and relationships
- Known aliases
- No additional reviewed aliases
- Participating organizations
- Gravis Marketing · Kaplan Strategies
- Cycles represented
- 2012 · 2014 · 2015 · 2016 · 2017 · 2018 · 2020
126 eligible historical polls across 7 represented cycles passed the published history identity checks. Historical bias is descriptive and is kept separate from sponsor or client affiliation.
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.
0 shown · 0 total
No record in the currently authorized canonical archive is attached to this identity.
This is not evidence that the pollster released no 2026 polling; the source-audit gaps remain documented.
Eligible historical observations
26 shown · 126 total
| Cycle | Race | Type | Field end | Sample | Poll | Result | Error |
|---|---|---|---|---|---|---|---|
| 2014 | 2014_Sen-G_CO | Sen-G | 2014-10-16 | 695 | R+5.0 | R+1.9 | R+3.1 |
| 2014 | 2014_Gov-G_CO | Gov-G | 2014-10-16 | 695 | R+4.0 | D+3.3 | R+7.3 |
| 2012 | 2012_Pres-G_OH | Pres-G | 2012-11-05 | 1,316 | D+1.0 | D+3.0 | R+2.0 |
| 2012 | 2012_Pres-G_FL | Pres-G | 2012-11-05 | 1,060 | 0 | D+0.9 | R+0.9 |
| 2012 | 2012_Pres-G_US | Pres-G | 2012-11-04 | 872 | 0 | D+3.9 | R+3.9 |
| 2012 | 2012_Pres-G_PA | Pres-G | 2012-11-04 | 1,060 | D+3.0 | D+5.4 | R+2.4 |
| 2012 | 2012_Pres-G_NC | Pres-G | 2012-11-04 | 1,130 | R+4.0 | R+2.0 | R+1.9 |
| 2012 | 2012_Pres-G_M2 | Pres-G | 2012-11-02 | 509 | D+3.0 | D+8.6 | R+5.6 |
| 2012 | 2012_Pres-G_NH | Pres-G | 2012-11-01 | 497 | D+1.0 | D+5.6 | R+4.6 |
| 2012 | 2012_Pres-G_IA | Pres-G | 2012-11-01 | 594 | D+4.0 | D+5.8 | R+1.8 |
| 2012 | 2012_Sen-G_FL | Sen-G | 2012-10-30 | 549 | D+3.0 | D+13.0 | R+10.0 |
| 2012 | 2012_Pres-G_FL | Pres-G | 2012-10-30 | 549 | R+3.0 | D+0.9 | R+3.9 |
| 2012 | 2012_Sen-G_NE | Sen-G | 2012-10-28 | 1,168 | R+12.0 | R+15.6 | D+3.5 |
| 2012 | 2012_Pres-G_NE | Pres-G | 2012-10-28 | 1,168 | R+22.0 | R+21.9 | R+0.1 |
| 2012 | 2012_House-G_NE-2 | House-G | 2012-10-28 | 1,168 | R+14.0 | R+1.6 | R+12.4 |
| 2012 | 2012_Sen-G_OH | Sen-G | 2012-10-27 | 730 | D+1.0 | D+6.0 | R+5.0 |
| 2012 | 2012_Pres-G_OH | Pres-G | 2012-10-27 | 730 | D+1.0 | D+3.0 | R+2.0 |
| 2012 | 2012_Sen-G_VA | Sen-G | 2012-10-26 | 645 | R+2.0 | D+5.9 | R+7.9 |
| 2012 | 2012_Pres-G_VA | Pres-G | 2012-10-26 | 645 | 0 | D+3.9 | R+3.9 |
| 2012 | 2012_Pres-G_NV | Pres-G | 2012-10-24 | 955 | D+1.0 | D+6.7 | R+5.7 |
| 2012 | 2012_Pres-G_NC | Pres-G | 2012-10-24 | 1,723 | R+8.0 | R+2.0 | R+6.0 |
| 2012 | 2012_Pres-G_IA | Pres-G | 2012-10-24 | 517 | D+4.0 | D+5.8 | R+1.8 |
| 2012 | 2012_Pres-G_FL | Pres-G | 2012-10-24 | 1,182 | R+1.0 | D+0.9 | R+1.9 |
| 2012 | 2012_Pres-G_PA | Pres-G | 2012-10-21 | 887 | D+3.0 | D+5.4 | R+2.4 |
| 2012 | 2012_Pres-G_OH | Pres-G | 2012-10-19 | 1,943 | 0 | D+3.0 | R+3.0 |
| 2012 | 2012_Pres-G_US | Pres-G | 2012-10-18 | 805 | R+2.0 | D+3.9 | R+5.8 |
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.