Iran war rearmament cycle
What changed
The headline signal — how confidence moved from the previous snapshot, and why.
Held at 0.87 ± 0.04 (from 2.1.12). The Thursday cash close FIRMED the defense tape despite the peace-MoU optimism - LMT +1.17%,
RTX +1.34%,
NOC +1.44% - the procurement bid holding on the $1.5T FY2027 budget. The
tentative 60-day memorandum is a de-escalation pull, but it is unsigned and invalidation still requires durable peace IMPLEMENTED plus two quarters of declining DoD outlays - a rising topline is the opposite. Width held at 0.04; the multi-year backlog (LMT $194B, RTX $271B) plus Golden Dome ($185B) are unchanged. Alpha nudged up on the firming tape. Beta(33, 4.9) ~38 effective observations.
The thesis
The claim and where confidence stands now.
The US-Iran war that began Feb 28 2026 (Operation Epic Fury) triggered a multi-year defense spending cycle that benefits prime contractors with missile and missile-defense exposure regardless of diplomatic-track outcomes. Defense primes rallied materially on the Monday May 18 cash session in confirmation of the procurement-cycle reading - LMT closed 528.31 (+2.38%), RTX 175.95 (+2.78%), NOC 550.00 (+1.72%). The Monday evening Axios reporting flipped the diplomatic-track signal: the White House formally REJECTED Iran's 14-point proposal as "insufficient", citing inadequate commitments to halting uranium enrichment; a senior US official told Axios the "next conversation is through bombs"; Trump is expected to meet his top national security advisers Tuesday May 19 to discuss "breaking the ceasefire with Iran." This is structurally bullish for the multi-year procurement-cycle tail - the rejection is public, on-the-record, and explicit about kinetic-option re-engagement. Sunday Barakah drone strike on the UAE nuclear plant remains unattributed (Iran has not claimed responsibility; UAE Defense Ministry confirms 3 drones from Saudi border, 2 intercepted; UAE formal statement did not name Iran). Iran's 14-point proposal substance remains public: 30-day war end, US-forces withdrawal, naval-blockade end, asset unfreezing, reparations, sanctions lift, end-of-fighting in Lebanon, new Hormuz mechanism. Depleted munitions stockpiles (438 Iranian ballistic missiles, 2,012 drones, 19 cruise missiles fired at UAE through April 1) and Golden Dome ($185B) are committed multi-year programs that survive any near-term deal scenario. Tuesday-morning defense complex repricing on the rejection news is the operative test of the procurement-cycle structural read. That test came in muted, not bullish - LMT 526.63 (-0.32%),
RTX 174.49 (-0.83%),
NOC 556.34 (+1.15%) - and the legislative track tilted toward de-escalation: the Senate advanced Kaine's
war-powers resolution 50-47 (Cassidy, Paul, Murkowski, Collins crossing) directing US withdrawal from Iran hostilities, and Trump
postponed an "an hour away" Tuesday strike after Gulf-leader appeals. The resolution is veto-bound and the multi-year backlog (LMT $194B, RTX $271B) is unchanged. Update May 20: the de-escalation continued -
talks entered final stages and
ships began transiting Hormuz - and the defense complex softened (
LMT 522.59 -0.77%,
NOC 552.17 -0.75%,
RTX 174.85 flat), but the procurement backlog is robust to a deal still short of implementation. Update May 21: the de-escalation tilt partly reversed -
optimism over a US-Iran agreement faded and
crude reclaimed $100 - firming the multi-year procurement-cycle tail. Update May 22: the diplomatic tilt swung back toward de-escalation as a
leaked "final draft" US-Iran ceasefire revived peace optimism and
crude eased back below $100; the draft is unconfirmed and unimplemented, and Thursday defense closes were essentially flat (
LMT 522.79,
RTX 175.98,
NOC 551.58) - the procurement bid steady. Update May 25: the leaked draft did NOT convert to a formal announcement over the May 23-25 holiday weekend (
the "within hours" claim failed to materialize), and the procurement bid firmed into the Friday close (
LMT 533.24 +2.0%,
RTX 177.01 +0.59%,
NOC 555.58 +0.73%) with
Lockheed expanding defense manufacturing capacity in Alabama - the multi-year backlog (LMT $194B, RTX $271B) and Golden Dome ($185B) unchanged. Update May 26: over the holiday the US conducted
fresh "self-defense" strikes on Iranian missile launch sites and mine-laying boats near Hormuz and
Trump warned he would go "Back to the Battlefront ... bigger and stronger than ever before" absent a "Great Deal" - a kinetic re-engagement and on-the-record battlefront threat that firm the multi-year procurement tail - even as a
60-day ceasefire framework emerged; the framework is unimplemented and the multi-year backlog (LMT $194B, RTX $271B) plus Golden Dome ($185B) are unchanged. Update May 27: the strikes drew an
Iranian retaliation vow and ceasefire-violation accusations and
President Trump floated raising the FY2027 defense budget from $1T to $1.5T - a fresh procurement-cycle support - though the Tuesday defense tape was muted (
LMT 532.90 flat,
RTX 178.97 +1.11%,
NOC 556.80 +0.22%) and the Doha framework is a de-escalation pull, leaving the multi-year backlog (LMT $194B, RTX $271B) and Golden Dome ($185B) unchanged. Update May 28: the Wednesday cash close brought a modest defense pullback -
LMT 531.14 (-0.33%),
RTX 176.59 (-1.33%),
NOC 551.34 (-0.98%) - profit-taking on deal-optimism flows rather than a new structural signal, with the
fresh US-Iran reciprocal strikes pre-market Thursday keeping the kinetic re-engagement live; the multi-year backlog (LMT $194B, RTX $271B) plus Golden Dome ($185B) plus the $1.5T FY2027 budget proposal are unchanged. Update May 29: the Thursday cash close FIRMED the defense tape despite the peace-MoU optimism -
LMT 537.33 (+1.17%),
RTX 178.96 (+1.34%),
NOC 559.29 (+1.44%) - the procurement bid holding on the $1.5T budget even as US and Iranian negotiators
reached a tentative 60-day memorandum to extend the ceasefire; the MoU is unsigned and invalidation still requires durable peace IMPLEMENTED plus two quarters of declining DoD outlays - the opposite of a rising topline.
Drivers
The underlying macro forces this thesis expresses - the loading mean is how much each force drives the thesis, the stddev our confidence in the mapping.
Supporting evidence
Typed, citation-backed observations across time, grouped by strength. Hover a point for the claim.
What would invalidate this
The machine-evaluable conditions that would falsify the thesis.