Races · Senate · 2018 · RI
Senate · class II · open seat

Sheldon Whitehouse vs Robert Flanders

Likely D · 6 polls · 0 markets Last poll 2755d 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 6 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

Likely D

likely-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 · 6 results

6 of 6 polls
EndPollsterWeightLeanSampleMoEPopTrust signalsResultsSource
10/24/2018Fleming & Associates0.73(R+5.5)416±4.8unknown
3 scored polls2755d old
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2755d old
    Poll was fielded 2755 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sheldon Whitehouse 55.0 · Robert Flanders 36.0pollarch
10/9/2018SocialSphere1.00502unknown
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.
Sheldon Whitehouse 56.0 · Robert Flanders 32.0pollarch
10/6/2018University of New Hampshire1.00(R+0.9)503±4.4unknown
2773d oldhigh variance vs editorial consensus+1
  • 2773d old
    Poll was fielded 2773 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • high variance vs editorial consensus
    Stdev of (poll − rater consensus) across 50 historical paired polls exceeds 8pt — this pollster's results swing widely relative to where the editors place the same races.
  • bias R+0.9pt
    Across 12 historical scored polls the average error vs. actual margin is R+0.9pt.
Sheldon Whitehouse 57.0 · Robert Flanders 33.0pollarch
9/17/2018Fleming & Associates0.73(R+5.5)420±4.8unknown
3 scored polls2792d old
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 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.
Sheldon Whitehouse 54.0 · Robert Flanders 35.0pollarch
6/4/2018SocialSphere1.00501unknown
no scored polls2897d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2897d old
    Poll was fielded 2897 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sheldon Whitehouse 54.0 · Robert Flanders 32.0pollarch
6/4/2018SocialSphere1.00501unknown
no scored polls2897d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2897d old
    Poll was fielded 2897 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sheldon Whitehouse 53.0 · Robert Nardolillo 31.0pollarch

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

3 raters
Rater Rating Updated Poll D-marg. Rater marg. Δ poll−rater
The Cook Political Report Safe D Oct 26 +18.0
Inside Elections Safe D Nov 1 +18.0
Sabato's Crystal Ball Safe D Nov 5 +18.0

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 (10/24/2018) last market quote rating computed 1 day ago
Rating history (1 change)
  • 5/6/2026 Likely D via pvi