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

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S. 236 — A bill to amend the Act of August 9, 1955 (commonly known as the "Long-Term Leasing Act"), to authorize leases of up to 99 years for land in the Mashpee Wampanoag Tribe Reservation and land held in trust for the Wampano…

22%becomes law moderate confidencepending: Senate reported

Amend the Act of August 9, 1955 (commonly known as the "Long-Term Lea… — real floor momentum (51% to a vote, reported and queued); 49% if called.

51%
reaches a floor vote
×
99%
passes if voted (stage model)
×
44%
survives downstream
=
22%
becomes law

If it reaches the floor

majority
60 (cloture)

Projected 63 yea of 100 voting; 90% interval 37–95 (quartiles 52–77). Intervals are backtest-verified to cover ~90%.

Filibusterable: the realistic Senate line is 60 votes — P(≥60) = 49% (simple-majority P = 84%).

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% 66 [39–96] 86%
passage95% 63 [36–94] 84%

Receipts

Sponsor: Edward J. Markey (D). Latest action (2026-05-20): Committee on Indian Affairs. Ordered to be reported without amendment favorably.
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).