Races · Governor · 2026 · OH
Governor · open seat

Amy Acton vs Vivek Ramaswamy

Tilt D D +0.7 · 176 days to election · 20 polls · 4 markets Last poll 26d ago Markets 4d ago Rating 1d ago
Where this race stands
Verified

Tilt D · model 80% R

tilt-d · high-tipping · trending-r · uncertainty-high
Forecast · poliagg-v8
Predicted final margin
R +11.8
80% CI: R +29.3D +5.7 · win prob 20%
R+30R+15TIEDD+15D+30
Quality · inputs
Data quality · medium
Polls used20
Days to election181
Residual σ13.66pt
Generated5/6/2026
Compare with other models3 models
qgbt-v1GBT (qgbt)
R +10.0
80% CI R +10.3R +6.5
CV MAE 7.21
bayes-v1Bayes / Kalman
R +0.9
80% CI R +2.4D +0.5
CV MAE 1.12
poliagg-v8Ensemble (production)
R +11.8
80% CI R +29.3D +5.7
CV MAE 13.66

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 · 20 results

20 of 20 polls
EndPollsterWeightLeanSampleMoEPopTrust signalsResultsSource
4/14/2026Bowling Green State University/YouGov1.001000±4.5RV
no scored polls✓ verified 5d ago+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Vivek Ramaswamy 48.0 · Amy Acton 47.0pollarch
4/9/2026Echelon Insights1.00(R+1.0)413±5.8LV
commissioned by R-aligned: Internal R-alignedhigh variance vs editorial consensus+2
  • commissioned by R-aligned: Internal R-aligned
    This poll was commissioned by a Republican-aligned committee, party, or PAC (Internal R-aligned). Such polls historically lean toward their sponsor.
  • high variance vs editorial consensus
    Stdev of (poll − rater consensus) across 45 historical paired polls exceeds 8pt — this pollster's results swing widely relative to where the editors place the same races.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • likely-voter screen
    Likely-voter screen — pollster filters respondents by reported turnout intent. Generally tighter for predicting elections than registered- or adult-population polls.
Vivek Ramaswamy 49.0 · Amy Acton 44.0pollarch
3/14/2026Quantus Insights1.00R809±3.8LV
commissioned by R-aligned: Internal R-alignedno scored polls+3
  • commissioned by R-aligned: Internal R-aligned
    This poll was commissioned by a Republican-aligned committee, party, or PAC (Internal R-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • D+5.2pt vs editors
    Across 5 historical polls where ≥2 editorial raters had rated the race (Cook / Sabato / IE / 538 / DDHQ etc.), this pollster's D-margin averaged 5.2pt MORE D-favorable than the rater consensus. Systematic D-lean relative to conventional wisdom.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • likely-voter screen
    Likely-voter screen — pollster filters respondents by reported turnout intent. Generally tighter for predicting elections than registered- or adult-population polls.
Vivek Ramaswamy 45.0 · Amy Acton 46.0pollarch
2/22/2026EMC Research1.00L1343±2.7LV
commissioned by D-aligned: Internal D-alignedno scored polls+4
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 77d old
    Poll was fielded 77 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 38 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.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • likely-voter screen
    Likely-voter screen — pollster filters respondents by reported turnout intent. Generally tighter for predicting elections than registered- or adult-population polls.
Vivek Ramaswamy 43.0 · Amy Acton 53.0pollarch
12/8/2025Emerson College1.00(D+0.7)850±3.3RV
153d old✓ verified 5d ago+3
  • 153d old
    Poll was fielded 153 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
  • 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.
Vivek Ramaswamy 45.0 · Amy Acton 46.0pollarch
12/8/2025Data Targeting1.00R603±4.0LV
commissioned by R-aligned: Internal R-alignedno scored polls+3
  • commissioned by R-aligned: Internal R-aligned
    This poll was commissioned by a Republican-aligned committee, party, or PAC (Internal R-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 153d old
    Poll was fielded 153 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • likely-voter screen
    Likely-voter screen — pollster filters respondents by reported turnout intent. Generally tighter for predicting elections than registered- or adult-population polls.
Vivek Ramaswamy 45.0 · Amy Acton 43.0pollarch
10/14/2025Bowling Green State University/YouGov1.00800±4.5RV
no scored polls208d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 208d old
    Poll was fielded 208 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Vivek Ramaswamy 50.0 · Amy Acton 47.0pollarch
10/14/2025Bowling Green State University/YouGov1.00800±4.5RV
no scored polls208d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 208d old
    Poll was fielded 208 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Vivek Ramaswamy 49.0 · Tim Ryan 47.0pollarch
9/22/2025Hart Research1.00L800±3.0LV
commissioned by D-aligned: Internal D-alignedno scored polls+3
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 230d old
    Poll was fielded 230 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • likely-voter screen
    Likely-voter screen — pollster filters respondents by reported turnout intent. Generally tighter for predicting elections than registered- or adult-population polls.
Vivek Ramaswamy 45.0 · Amy Acton 46.0pollarch
8/19/2025Emerson College1.00(D+0.7)1000±3.0RV
264d old✓ verified 5d ago+3
  • 264d old
    Poll was fielded 264 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
  • 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.
Vivek Ramaswamy 49.0 · Amy Acton 39.0pollarch
8/19/2025Emerson College1.00(D+0.7)1000±3.0RV
264d old✓ verified 5d ago+3
  • 264d old
    Poll was fielded 264 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
  • 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.
Vivek Ramaswamy 49.0 · Tim Ryan 41.0pollarch
7/28/2025Impact Research1.00L800±3.5LV
commissioned by D-aligned: Internal D-alignedno scored polls+4
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 286d old
    Poll was fielded 286 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 30 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.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • likely-voter screen
    Likely-voter screen — pollster filters respondents by reported turnout intent. Generally tighter for predicting elections than registered- or adult-population polls.
Vivek Ramaswamy 47.0 · Amy Acton 46.0pollarch
4/24/2025Bowling Green State University/YouGov1.00800±4.1RV
no scored polls381d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 381d old
    Poll was fielded 381 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Vivek Ramaswamy 50.0 · Amy Acton 45.0pollarch
4/24/2025Bowling Green State University/YouGov1.00800±4.1RV
no scored polls381d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 381d old
    Poll was fielded 381 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Vivek Ramaswamy 51.0 · Tim Ryan 44.0pollarch
4/24/2025Bowling Green State University/YouGov1.00800±4.1RV
no scored polls381d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 381d old
    Poll was fielded 381 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Dave Yost 46.0 · Amy Acton 45.0pollarch
4/24/2025Bowling Green State University/YouGov1.00800±4.1RV
no scored polls381d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 381d old
    Poll was fielded 381 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Dave Yost 46.0 · Tim Ryan 44.0pollarch
4/24/2025Bowling Green State University/YouGov1.00800±4.1RV
no scored polls381d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 381d old
    Poll was fielded 381 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Jim Tressel 46.0 · Amy Acton 44.0pollarch
4/24/2025Bowling Green State University/YouGov1.00800±4.1RV
no scored polls381d old+2
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 381d old
    Poll was fielded 381 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
Jim Tressel 46.0 · Tim Ryan 43.0pollarch
2/20/2025Public Policy Polling1.00(D+1.1)642±3.9RV
commissioned by D-aligned: Internal D-aligned444d old+4
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • 444d old
    Poll was fielded 444 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 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.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Vivek Ramaswamy 44.0 · Amy Acton 45.0pollarch
2/20/2025Public Policy Polling1.00(D+1.1)642±3.9RV
commissioned by D-aligned: Internal D-aligned444d old+4
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • 444d old
    Poll was fielded 444 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 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.
  • ✓ verified 5d ago
    auto-checked on 5/4/2026. Deterministic checks confirmed bounds + structure (percentages in [0,100], totals plausibly close to 100%, dates ordered). Source page itself was not re-fetched.
  • registered voters
    Registered-voter sample — broader than likely-voter screens; typical for early-cycle polling before turnout signals stabilize.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Vivek Ramaswamy 48.0 · Tim Ryan 42.0pollarch

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 Lean R Mar 19 +0.7 -3.5 +4.2
Inside Elections Likely R Mar 26 +0.7 -9.0 +9.7
Sabato's Crystal Ball Lean R Mar 19 +0.7 -3.5 +4.2

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 4 weeks ago (4/14/2026) last market quote 4 days ago rating computed 1 day ago
Rating history (1 change)
  • 5/3/2026 Tilt D D+0.7 via polls