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

← all forecasts

S. 564 — Zuni Indian Tribe Water Rights Settlement Act of 2025

18%becomes law moderate confidencepending: Senate on_calendar

Zuni Indian Tribe Water Rights Settlement Act of 2025 — real floor momentum (45% to a vote, on the calendar); 52% if called.

45%
reaches a floor vote
×
99%
passes if voted (stage model)
×
41%
survives downstream
=
18%
becomes law

If it reaches the floor

majority
60 (cloture)

Projected 64 yea of 100 voting; 90% interval 37–95 (quartiles 53–78). Intervals are backtest-verified to cover ~90%.

Filibusterable: the realistic Senate line is 60 votes — P(≥60) = 52% (simple-majority P = 86%).

By floor procedure

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

ProcedureLikelihood Projected yeaPasses
conference5% 71 [46–96] 91%
passage95% 64 [36–94] 85%

Receipts

Sponsor: Martin Heinrich (D). Latest action (2026-06-04): Placed on Senate Legislative Calendar under General Orders. Calendar No. 429.
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).