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

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H.R. 681 — 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 Wampanoag Trib…

45%becomes law moderate confidencepending: Senate passed_one_chamber

To amend the Act — through the House, now needs 60 in the Senate: P(≥60) 61% puts enactment at 45%.

passed the House
45%
downstream: Senate + President
=
45%
becomes law

If it reaches the floor

majority
60 (cloture)

Projected 68 yea of 100 voting; 90% interval 41–96 (quartiles 55–85). Intervals are backtest-verified to cover ~90%.

Filibusterable: the realistic Senate line is 60 votes — P(≥60) = 61% (simple-majority P = 90%).

By floor procedure

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

ProcedureLikelihood Projected yeaPasses
conference19% 70 [42–96] 91%
passage81% 67 [41–96] 90%

Receipts

Sponsor: William R. Keating (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).