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

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H.R. 2846 — To amend title II of the Public Health Service Act to include as an additional right or privilege of commissioned officers of the Public Health Service (and their beneficiaries) certain leave provided under title 10, Un…

2%becomes law high confidencepending: House on_calendar

To amend title II of the Public Health Service Act — would clear the House (96%) but only 8% to ever get the vote.

8%
reaches a floor vote
×
99%
passes if voted (stage model)
×
23%
survives downstream
=
2%
becomes law
The gap: on the floor this would pass — 96% by the member-vote simulation — but the floor is the hard part: 8% to ever get the vote. That gap, not the whip count, is the story.

If it reaches the floor

majority

Projected 327 yea of 430 voting; 90% interval 210–416 (quartiles 264–399). 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% 299 [188–415] 91%
suspension62% 344 [220–417] 98%

Receipts

Sponsor: Chrissy Houlahan (D). Latest action (2025-10-03): Placed on the Union Calendar, Calendar No. 280.
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).