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2026 Congressional Endgame: Remaining Session Days and Complete Must-Pass Vehicle Map

A one-time deep artifact covering the whole remaining 2026 legislative calendar and every vehicle a major bill could ride. It enumerates the scheduled voting days left in each chamber week by week through the target sine die, marks the recess and state work periods, flags the election-year weeks that historically evaporate, and then maps each must-pass item — the appropriations cycle and its statutory deadline, the surface transportation authorization expiry, the defense authorization, the year-end tax and health extender package, and the expiring program reauthorizations that ride alongside them — to the committees of jurisdiction, the germaneness constraints that govern what can be attached, and the historical base rate at which comparable regulatory titles were enacted as attachments versus standalone. Where the weekly feed on this market reports what changed, this artifact is the fixed board the changes happen on: it is the denominator a calendar-arithmetic forecast needs, and it does not need refreshing weekly to stay correct. Method: the calendar is reconstructed from both published chamber calendars with pro forma sessions removed and cross-checked against the daily digest; deadlines are derived from the underlying statutory text rather than from reporting about them; the jurisdiction map is coded from chamber rules and referral history; and the attachment base rate is computed over enacted public laws from 1997 onward, restricted to titles above a fixed length threshold so that minor riders do not inflate it.