Tomlinson Closing Brief · 2026-10-03 archive

What moved, what held—and what carries forward.

A preserved, immutable record of the evidence and provider state available when this edition was generated.

Historical boundary. Provider venues operate on different schedules. “Closing” means this Tomlinson edition’s generation time; individual contracts may remain open, pause, expire, or resolve later. Values and source availability may have changed since this record was captured.

Observed Repricing

1 material moves

The larger absolute move between the retained 12-hour window and the provider comparison, when that move is at least three points. The two measures remain separately labeled.

archivedPredictIt · Other

What will be the national vote margin in the 2026 House midterms? — Democrats ≥15%

Recorded state: 7% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: -16.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: +3.0 pts over the provider-supplied comparison period.

Probability7%

Retained change-16.0 pts

Provider movement+3.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗

Held Through the Window

3 comparatively stable observations

Contracts with an available movement measure below three points. Stability does not imply confidence in the outcome.

archivedPredictIt · Politics

How many House and Senate seats will Dems control after the 2026 midterms? — ≤47 and ≤217

Recorded state: 7% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: +0.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: +0.0 pts over the provider-supplied comparison period.

Probability7%

Retained change+0.0 pts

Provider movement+0.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗

archivedPredictIt · Politics

How many House seats will Republicans win in the 2026 midterm election? — 192 or fewer

Recorded state: 35% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: +2.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: +3.0 pts over the provider-supplied comparison period.

Probability35%

Retained change+2.0 pts

Provider movement+3.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗

archivedPredictIt · Politics

How many Senate seats will the GOP control after the 2026 midterms? — 47 or fewer

Recorded state: 36% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: -2.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: +1.0 pts over the provider-supplied comparison period.

Probability36%

Retained change-2.0 pts

Provider movement+1.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗

Carry Forward

3 active developments to monitor

Priority-eligible records that remained active and deserved another look on the next refresh or Morning Brief.

archivedPredictIt · Politics

How many tie-breaking Senate votes will JD Vance cast in 2026? — 4 votes

Recorded state: 12% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: +0.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: +0.0 pts over the provider-supplied comparison period.

Probability12%

Retained change+0.0 pts

Provider movement+0.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗

archivedPredictIt · Other

When will the House impeach Trump again? — Before 2027

Recorded state: 2% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: -1.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: -1.0 pts over the provider-supplied comparison period.

Probability2%

Retained change-1.0 pts

Provider movement-1.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗

archivedPredictIt · Politics

Which 2026 Senate race will be the closest? — Iowa

Recorded state: 20% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: +2.0 pts across 48 real observations during the prior 12 hours.

Provider comparison: +2.0 pts over the provider-supplied comparison period.

Probability20%

Retained change+2.0 pts

Provider movement+2.0 pts

Interpretation boundary: Observed repricing is not proof of a real-world cause. No independently reviewed causal evidence is attached unless the investigation states otherwise.

Carry-forward condition: Reassess if the quote, freshness, participation, contract status, or official resolution rules change.

Recorded source ↗