Races · Governor · 2018 · CT
Governor · open seat

Ned Lamont vs Bob Stefanowski

Lean D · 15 polls · 0 markets Last poll 2747d ago Rating 1d ago
Caution · early warning
Editorial raters moved while polling has gone quiet

The last rating change here was 1d ago, but only 15 polls have landed in the last 60 days. When raters move and pollsters don't, the rating shift may be running ahead of the data. Watch for a late-cycle correction in either direction.

Where this race stands
Verified

Lean D

lean-d

Polling average

Simple Weighted House-corrected Trimmed LOESS Kalman
Method:Weighted, plus each pollster's measured bias subtracted before averaging.
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All polls · 15 results

15 of 15 polls
EndPollsterWeightLeanSampleMoEPopTrust signalsResultsSource
11/1/2018Gravis Marketing0.72L(D+2.9)681±3.8unknown
bias D+2.9pt2747d old+1
  • bias D+2.9pt
    Across 33 historical scored polls the average error vs. actual margin is D+2.9pt.
  • 2747d old
    Poll was fielded 2747 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 49 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
Ned Lamont 46.0 · Bob Stefanowski 37.0 · Oz Griebel 9.0pollarch
10/31/2018Sacred Heart University1.00500±4.3unknown
no scored polls2748d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2748d old
    Poll was fielded 2748 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 38.0 · Bob Stefanowski 40.0 · Oz Griebel 9.0pollarch
10/29/2018Emerson College1.00(D+0.7)780±3.7unknown
2750d oldtracks editorial consensus+1
  • 2750d old
    Poll was fielded 2750 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 234 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
  • accurate · bias D+0.7pt
    Across 117 historical scored polls this pollster's average error vs. actual margin is D+0.7pt — within ±1pt.
Ned Lamont 46.0 · Bob Stefanowski 39.0 · Oz Griebel 10.0pollarch
10/28/2018Quinnipiac University1.00(D+1.9)1201±4.0unknown
2751d oldtracks editorial consensus
  • 2751d old
    Poll was fielded 2751 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 81 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Ned Lamont 47.0 · Bob Stefanowski 43.0 · Oz Griebel 7.0pollarch
10/17/2018Sacred Heart University1.00501±4.3unknown
no scored polls2762d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2762d old
    Poll was fielded 2762 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 40.0 · Bob Stefanowski 36.0 · Oz Griebel 8.0pollarch
10/9/2018Public Policy Polling (D-Change Course CT PAC)1.00828unknown
no scored polls2770d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2770d old
    Poll was fielded 2770 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 43.0 · Bob Stefanowski 38.0pollarch
10/8/2018Quinnipiac University1.00(D+1.9)767±5.0unknown
2771d oldtracks editorial consensus
  • 2771d old
    Poll was fielded 2771 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 81 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Ned Lamont 47.0 · Bob Stefanowski 39.0 · Oz Griebel 11.0pollarch
9/17/2018Sacred Heart University1.00501±4.3unknown
no scored polls2792d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2792d old
    Poll was fielded 2792 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 43.0 · Bob Stefanowski 37.0pollarch
8/27/2018Gravis Marketing0.72L(D+2.9)606±4.0unknown
bias D+2.9pt2813d old+1
  • bias D+2.9pt
    Across 33 historical scored polls the average error vs. actual margin is D+2.9pt.
  • 2813d old
    Poll was fielded 2813 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 49 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
Ned Lamont 49.0 · Bob Stefanowski 40.0pollarch
8/21/2018Quinnipiac University1.00(D+1.9)1029±3.9unknown
2819d oldtracks editorial consensus
  • 2819d old
    Poll was fielded 2819 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 81 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Ned Lamont 46.0 · Bob Stefanowski 33.0 · Oz Griebel 4.0pollarch
8/21/2018Sacred Heart University1.00502±4.3unknown
no scored polls2819d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2819d old
    Poll was fielded 2819 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 41.0 · Bob Stefanowski 37.0pollarch
5/5/2018Tremont Public Advisors1.00550±4.5unknown
no scored polls2927d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2927d old
    Poll was fielded 2927 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 50.0 · Mark Boughton 40.0pollarch
5/5/2018Tremont Public Advisors1.00550±4.5unknown
no scored polls2927d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2927d old
    Poll was fielded 2927 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Ned Lamont 44.0 · Erin Stewart 46.0pollarch
5/5/2018Tremont Public Advisors1.00550±4.5unknown
no scored polls2927d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2927d old
    Poll was fielded 2927 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Susan Bysiewicz 40.0 · Erin Stewart 50.0pollarch
5/5/2018Tremont Public Advisors1.00550±4.5unknown
no scored polls2927d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2927d old
    Poll was fielded 2927 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Susan Bysiewicz 42.0 · Mark Boughton 47.0pollarch

Trust signals are deterministic flags computed from the pollster scorecard (track-record size, historical bias, aggregation weight) and the poll itself (sample size, population, age, citation availability). No interpretation; click any row to see the cited numbers behind each flag.

Editorial ratings · poll-vs-rater

4 raters
Rater Rating Updated Poll D-marg. Rater marg. Δ poll−rater
The Cook Political Report Tossup Oct 26 0.0
FiveThirtyEight Likely D Nov 5 +9.0
RealClearPolitics Tossup Nov 4 0.0
Sabato's Crystal Ball Lean D Nov 5 +3.5

Δ POLL−RATER = polling-consensus margin minus the rater's implied bucket midpoint. Positive = polls more D than rater; negative = rater more D than polls. |Δ| < 0.6 well-aligned · 0.6–1.5 mild divergence · ≥1.5 contested call.

last poll 92 months ago (11/1/2018) last market quote rating computed 1 day ago
Rating history (1 change)
  • 5/6/2026 Lean D via pvi