Tomlinson Closing Brief · 2026-09-12 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

0 material moves

At least three probability points in the real retained window or the provider-supplied comparison period. The two measures remain separately labeled.

No qualifying record in this section.

The Closing Brief does not manufacture movement or fill gaps with stale observations.

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

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

Tomlinson-retained window: -1.0 pts across 41 real observations during the prior 12 hours.

Provider comparison: The provider did not supply a reliable comparison-period movement field.

Probability20%

Retained change-1.0 pts

Provider movementUnavailable

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

What will be the balance of power in Congress after the 2026 election? — Dem. House & Senate

Recorded state: 47% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: -1.0 pts across 41 real observations during the prior 12 hours.

Provider comparison: The provider did not supply a reliable comparison-period movement field.

Probability47%

Retained change-1.0 pts

Provider movementUnavailable

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

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

Recorded state: 3% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: +0.0 pts across 41 real observations during the prior 12 hours.

Provider comparison: The provider did not supply a reliable comparison-period movement field.

Probability3%

Retained change+0.0 pts

Provider movementUnavailable

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

Recorded state: 9% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: Insufficient time-separated observations to claim a 12-hour move.

Provider comparison: The provider did not supply a reliable comparison-period movement field.

Probability9%

Retained changeUnavailable

Provider movementUnavailable

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: 24% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: Insufficient time-separated observations to claim a 12-hour move.

Provider comparison: The provider did not supply a reliable comparison-period movement field.

Probability24%

Retained changeUnavailable

Provider movementUnavailable

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: 3% with unavailable participation quality and partial provider coverage.

Tomlinson-retained window: +0.0 pts across 41 real observations during the prior 12 hours.

Provider comparison: The provider did not supply a reliable comparison-period movement field.

Probability3%

Retained change+0.0 pts

Provider movementUnavailable

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 ↗