The Midterm Clause: Five Paths From the Channel to Nov. 3

This tree does not re-price the SITREP's standing 84-90% settlement-collapse band, which is a crisis-lifetime estimate of whether this channel ultimately produces nothing. It decomposes the shorter Sep. 24 to Nov. 3 window into what specifically happens before the calendar makes the channel's fate visible to anyone outside the room. Stall to the Wire, Partial Channel Trade and even Full Deal Before Nov. 3 are all compatible with eventual collapse months later; an open-but-unresolved channel or a narrow trade by Nov. 3 settles nothing about whether the broader effort survives into 2027. Only Full Deal Before Nov. 3, carrying 8% here, is a direct hit against the SITREP's band, and even a full realization of that path would only move the standing collapse estimate by single digits, since one six-week window is a small fraction of the multi-month horizon that band is priced over. Collapse on a Trigger, at 15%, is scoped narrowly to this window and should be read as a slice of the standing band's mass rather than a competing number: it is the near-term hazard rate, not the lifetime one. The weighting leans on one piece of direct evidence over inference. Trump's own quote, that he expects a deal 'right after the election' and that Tehran is 'waiting to see how I do in the midterm election,' is the single most reliable data point in this tree because it is an on-the-record statement by the party with more leverage, not a leaked assessment or a source characterization. Stall to the Wire is therefore seeded as the base case on the logic that the more powerful actor has already told us his own timeline, and actors rarely surprise upward against their own stated calendar. The 25% on Partial Channel Trade is carried by the one metric both sides can move without a signed text: the port-blockade tally, at 109 vessels by Sep. 20 against 8 in mid-July, which is a US Navy operational decision reversible without legislation. Collapse on a Trigger draws its 15% from precedent inside this same crisis: the Apr. 7-9 ceasefire, the only prior political track this war produced, broke within 24 hours on a Lebanon trigger that neither Washington nor Tehran's negotiating teams controlled. The Sep. 21 tanker strikes did not break the current channel, which is the one data point arguing this 15% should not be higher, but the mechanism that broke the April truce is still live and outside either principal's direct control. Iran Walks carries 10% on the observation that Pezeshkian's Sep. 24 UNGA softening was rhetorical and unconfirmed by IRGC messaging, leaving room for the hardline track to reassert itself without a fresh external trigger. Full Deal Before Nov. 3 is capped at 8% specifically because it requires Trump to move against his own quoted timeline, which is possible but is the one path this tree treats as working against the evidence rather than with it.