535.fyi Calibrated odds on what Congress actually does. backtest-calibrated · live scoring as votes land · track record

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H.R. 1493 — To reauthorize and make improvements to Federal programs relating to the prevention, detection, and treatment of traumatic brain injuries, and for other purposes.

12%becomes law high confidencepending: House reported

To reauthorize and make improvements to Federal programs relating to… — reported and queued; 37% to reach the floor, 12% to become law.

37%
reaches a floor vote
×
>99%
passes if voted (stage model)
×
32%
survives downstream
=
12%
becomes law
The gap: on the floor this would pass — 97% by the member-vote simulation — but the floor is the hard part: 37% to ever get the vote. That gap, not the whip count, is the story.

If it reaches the floor

majority

Projected 336 yea of 430 voting; 90% interval 212–418 (quartiles 278–403). Intervals are backtest-verified to cover ~90%.

By floor procedure

No vote is scheduled, so the headline marginalizes over how the House would take it up; the branches:

ProcedureLikelihood Projected yeaPasses
passage38% 307 [201–415] 94%
suspension62% 353 [224–418] 99%

Receipts

Sponsor: Frank Pallone, Jr. (D). Latest action (2026-05-21): Ordered to be Reported by the Yeas and Nays: 43 - 0.
Full record: Congress.gov.

Forecast run predict-20260606T193507Z · models member-vote-1.0.0-t117d118-20260606 + passage-1.0.0-t117d118-20260606 · conditional whip forecasts for the Senate run at moderate confidence (why).