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Hormuz Crisis Tracker — 2026-04-20 · Cycle 35


Top-line movers (10)

  1. IRGC NAVAL FORCES RE-CLOSE STRAIT (Apr 18 ~12:00 UTC) — Formal IRGC statement: "Approaching the Strait of Hormuz will be considered cooperation with the enemy, and any offending vessel will be targeted." Iran cites US "repeated breaches of trust" — US blockade maintained in violation of ceasefire. This is a naval-forces OPERATIONAL OVERRIDE of FM Araghchi's Apr 17 "completely open" declaration and Baghaei's Apr 18 formalization (C34). First public intra-regime operational reversal of a Foreign Ministry policy posture in the war.
  1. 11+ DAY KINETIC PAUSE BROKEN — FOUR DISTINCT EVENTS IN 36H:
- SANMAR HERALD (India VLCC, ~1.85M bbl) fired on by IRGC gunboats Apr 18 09:20 UTC, ~20 nm NE of Oman — first VLCC fired on; reportedly held Iranian transit clearance; reversed course into UAE waters, cargo undelivered (Windward) - CMA CGM Everglade (French-flag) struck by warning shots Apr 18, damaged north of Kumzar, Oman — first French vessel targeted; CMA CGM confirmed Sunday; IMO logged damage, no injuries/pollution (AFP / Xinhua / CMA CGM statement) - Unidentified container ship struck by unknown projectile Apr 18 ~11:25 UTC, ~25 nm NE of Oman, damaging containers (UKMTO) - Touska (Iranian-flag cargo, ~900 ft, ~aircraft-carrier tonnage) — USS Spruance fired rounds into engine room Apr 19, disabled ship in Gulf of Oman; US Marines rappelled after 6-hour standoff; first seizure and first ship fired upon by US Navy since blockade Apr 13 (CENTCOM + Trump Truth Social)
  1. IRNA FORMALLY REJECTS R2 TALKS (Apr 19 state media) — cites "US excessive demands and unreasonable, unrealistic requests, repeated changes in positions, continued contradictory statements," blockade-as-ceasefire-violation, "threatening rhetoric." C34 R2 Monday Apr 20 + $20B framework RAILED. CNN reports Araghchi+Ghalibaf delegation still arriving Tuesday — Iran-internal state-media × delegation-movement contradiction live.
  1. TRUMP MAXIMUM-PRESSURE RE-ANCHOR (Truth Social Apr 19-20) — tonal regime break from C34 softer posture: "We're offering a very fair and reasonable DEAL, and I hope they take it because, if they don't, the United States is going to knock out every single Power Plant, and every single Bridge, in Iran. NO MORE MR. NICE GUY!" Also: blockade "costs Iran $500 million dollars a day"; Iran "fired bullets... total violation"; pushed Macron to deploy French navy. C34 "grand bargain dominant" framing reversed.
  1. OIL TAPE REVERSES C33 REVERSALBrent +5-6% to ~$95-96/bbl Monday intraday (from C34 Friday close $88.67, ~$7 round-trip gain); WTI +6% toward $89/bbl (from $83.78). Weekend hyperliquid pre-signaled ($87 Sunday). Friday's $10.72 single-session decline (C33 lock #39) unwound in two trading days. Market has re-priced the dual-surface collapse.
  1. IRGC "REBUILDING FASTER THAN PRE-WAR" DOCTRINE — Naqdi (senior IRGC adviser) and IRGC Aerospace Force Commander: missile/drone launcher replenishment during ceasefire EXCEEDS pre-war pace; "if hostilities resume, we can launch the latest missiles and drones manufactured this month"; Iran capable of launching newly-produced missiles/drones dating back to Jan 2026. First post-ceasefire Iranian military-reconstitution statement — doctrinal frame for R2 leverage.
  1. IRAN RETALIATION PROMISE (military Apr 19) — "Armed Forces of the Islamic Republic of Iran would soon respond to and retaliate" against Touska "armed piracy." No kinetic follow-through as of baseline write (Mon AM); watchlist item.
  1. LEBANON CEASEFIRE DAY 4-5 STRESSED, HEZBOLLAH RETALIATION WINDOW PASSED WITHOUT BREACH — IDF demolishing buildings in southern Lebanese villages during ceasefire; "clear the area" buffer-zone policy ongoing; Lebanese army confirms violations; Hezbollah Ismail Baz Apr 18-19 retaliation window (C34 watchlist) passed WITHOUT kinetic escalation; pressure mounting structurally not kinetically.
  1. PARIS SUMMIT FOLLOW-UP CONFIRMED — 51 countries Apr 17 + London planning conference Apr 22-23 (military planners, UK-FR joint chair); initiative formally named "Strait of Hormuz Maritime Freedom of Navigation Initiative"; post-peace defensive mission architecture advancing independent of R2 trajectory.
  1. SPR THIRD TRANCHE LOANED APR 19 — 26.03M bbl to 9 oil companies (DOE / Today in Oil & Gas). Third batch under 172M-bbl release authorization from Mar 11. Timing: day of Touska seizure = operational-financial dual response.

1. Conflict status — DAY 52 / CEASEFIRE DAY 13

ParameterC34 (Apr 18 AM)C35 (Apr 20 AM)Δ
War dayDay 50Day 52+2
Ceasefire dayDay 11Day 13+2
Ceasefire expiryApr 22 (T-4)Apr 22 (T-2)compressed
Kinetic pause days11+BROKEN Apr 18 (after 11 days)paused regime ended
Active kinetic events04 (SANMAR / CMA CGM / UKMTO / Touska)regime break
Ceasefire "in legal force" but operational surfaces shearing: US-Iran blockade × counter-closure now active; Lebanon truce on paper with IDF demolitions underway; Iran retaliation-promise pending.

2. Strait operational status — CLOSED (single-surface restored)

ParameterC34 (Apr 18 AM)C35 (Apr 20 AM)
Iran official posture"Completely open" (Araghchi Apr 17 + Baghaei Apr 18 formalization)CLOSED by IRGC naval forces (Apr 18 ~12:00 UTC)
US blockade"In full force until peace deal"Active + kinetic (Touska seizure)
Dual-surface frame (C33 lock #40)LIVE (40% completion validated)COLLAPSED to single-surface
Transit completion rate40% (8/20 Windward, C34)Zero direct transits attempted Apr 19-20; Apr 18 peak 35 attempts → 13+ reversals post-closure
Kinetic events0 in 11+ days4 in 36h

Windward Apr 18-19 data


3. Tanker log (verified incidents Apr 18-19)

VesselFlag / TypeIncidentOutcome
SANMAR HERALDIndia VLCC+ (~1.85M bbl crude)IRGC gunboat fire Apr 18 09:20 UTC ~20 nm NE Oman; held Iranian transit clearanceReversed to UAE; cargo undelivered
CMA CGM EVERGLADEFrance (CMA CGM container)Warning shots Apr 18; IMO logged damage N of KumzarCrew safe; damage reported
Unidentified containerUKMTO-confirmed unknown-projectile strike Apr 18 ~11:25 UTC ~25 nm NE OmanContainers damaged
TOUSKAIranian-flag cargo ~900ftUSS Spruance fire to engine room Apr 19; 6h standoff; USMC boardSEIZED; first under blockade
Kharg Island (Apr 18 satellite, Javier Blas): no tankers loading, many at anchorage — export-terminal freeze confirmed.

4. Oil prices (Mon Apr 20 AM)

BenchmarkC33 close Apr 17C34 close Apr 18C35 Mon AM intradayΔ vs C34
Brent$88.67 (–$10.72 / –10.8%)$88.67 (flat)~$95-96 (+5-6%)+$7 round-trip
WTI$83.78 (–11.5%)$83.78 (flat)~$89 (+6%)+$5 round-trip
Hyperliquid weekendWTI $87 Sunday (pre-signaled)
Dated Brent (physical)~$115-122~$115-122(not refreshed this sweep)
C33's $10 reversal (lock #39) fully unwound in two sessions. Market has re-priced dual-surface collapse. Futures-physical spread likely widening (physical not yet tapered sub-$115 in C32 baseline).

IEA (Apr 14 OMR, restated Apr 18): "largest supply disruption in history of global oil market"; Birol — "13M bpd lost as of today; tomorrow may be bigger"; April "much worse than March." OPEC output –7.89M bpd March to 20.79M bpd.


5. SPR — third tranche loaned Apr 19


6. Bypass infrastructure

RouteStatus C34Status C35Note
Saudi East-West Pipeline+700 kbpd restored (C28 downgrade of lock #2)StableWas core C1 structural loss
Saudi Manifa+300 kbpd restored (C33)Stable1.0M of 1.6M initial structural loss now reversed
Iraq-Syria (Basra-Haditha-Baniyas)Phase 2 second VLCC loading (C34)ScalingFirst VLCC Asahi Princess C32, second VLCC C34; westbound crude alt
Iraq-Jordan-Aqaba500-700 tankers/day (C32)StableTanker-scale bypass
Chabahar (east of Hormuz)Active (C32)Elevated — 7 VLCCs + STS Apr 19 (Windward)Iran operating OUTSIDE strait to sustain ~11M bbl cumulative export since Apr 13

7. Insurance


8. Sanctions / Treasury

ItemStatus
Shamkhani UAE designations (Meritron DMCC + 10 UAE firms)C31 lock persists
GL-UExpired Apr 19 — Reliance Felicity anchored Sikka since Apr 12; Hedy; Lenore; Kaviz. Cliff reached. Any post-expiry compliance dynamics pending.
Chabahar waiverApr 26 expiry (T-6 days) — parallel cliff
SDGT waivers (Bessent economic fury)Non-renewal, consistent with C32
Chinese banks warningsActive (C32)

9. Country matrix

CountryStatusSignal
USMaximum-pressure re-anchorTrump "NO MORE MR. NICE GUY" / bridges + power plants threat; Touska seizure; Macron pushed to deploy French navy
IranIntra-state operational contradictionIRGC closes × IRNA rejects R2 × Araghchi+Ghalibaf delegation still arriving Tuesday × Naqdi "faster than pre-war" × military retaliation-promise
UKLondon planning conference Apr 22-23Military planners convene; joint UK-FR chair
FranceFirst vessel targeted (CMA CGM Everglade)Macron pressure-point; Paris leadership × direct commercial exposure
ItalyMeloni Paris attendance (C31/C32)Post-Trump-rupture aligned with UK-FR axis
GermanyMerz Bundeswehr Gulf offer (C31)Architecturally committed, not yet deployed
PakistanMunir mediation extendedIranian delegation arriving Tuesday despite IRNA rejection — Pakistan keeps channel open
IndiaGL-U expired; Felicity/Hedy/Kaviz/Lenore cargoes received4M bbl secured pre-cliff
IsraelLebanon buffer-zone demolitions activeCeasefire × operational stress continues
LebanonCeasefire Day 4-5 stressed, Hezbollah retaliation window passed without breachStructural pressure not kinetic
Saudi ArabiaBypass infrastructure restored1.0M of 1.6M structural loss recovered
QatarRas Laffan partial restart17% capacity loss persists for years
UAEPublic US friction via Shamkhani designations

10. Policy log (Apr 18-20)


11. Metrics dashboard

MetricC34C35Δ
Structural locks4247+5
Active contradictions (cross-tracker incl. TACO)27 (TACO C17)28+1 (Iran IRNA × delegation)
Kinetic events (war-clock)0 in 11+ days4 in 36hregime break
Ceasefire days remainingT-4T-2compressed
Extension probability52%35%–17
Framework probability26%18%–8
Collapse probability29%42%+13
6-month track22%18%–4
Kinetic escalation8%18%+10
Lebanon-Hezbollah spillover12%14%+2
Lebanon breakdown22%26%+4
Hormuz structural-resolution13%5%–8

12. Structural locks — 47 total (+5 vs C34)

Carried from C34 (42), status update

NEW C35 locks (+5)


13. Active clocks

ClockExpiry / TriggerDays remaining Mon AM
Ceasefire expiryApr 22T-2
R2 Tuesday talksApr 21 (delegation arriving despite IRNA rejection)T-1
London planning conferenceApr 22-23T-2 / T-3
Chabahar waiverApr 26T-6
Iran retaliation window (Touska response)Open Apr 19 — ongoingactive
Israel Lebanon ceasefireDay 4-5 of 10-day cessation~T-5
IRGC rebuild timing (per Naqdi)"Jan 2026 missiles" — can fire nowactive (operational)

14. Convergence assessment

C33 hypothesis: Dual-surface resolution framework — operational de-escalation × structural non-resolution simultaneously.
C34 validation: 40% transit completion quantitatively validated dual-surface as live regime, not rhetorical.
C35 failure mode: Dual-surface was an inherently unstable regime — the "open × blockade" configuration required both surfaces to coexist. When IRGC asserted operational veto over FM Araghchi's declaration (Lock #43), the "open" surface collapsed, reverting to single-surface (CLOSED × BLOCKADE) — the C32 baseline reasserts.

Critical observation: The 48-hour dual-surface regime (Apr 17 eve → Apr 18 PM ~12:00 UTC) generated four kinetic events in the 36h following its collapse. The pattern: dual-surface instability did not dissipate smoothly — it released as kinetic events when the "open" surface ruptured. This suggests the kinetic pause of C31-C34 was held by the existence of the dual-surface frame as a decompression channel; when that frame closed, pressure converted to kinetic output.

Implication for C36+: If R2 Tuesday produces another dual-surface regime (e.g., partial Hormuz reopening paired with selective blockade relaxation), the C35 data suggests the regime will be no more stable than 48-96h absent structural resolution of (a) US blockade status, (b) Iranian enrichment, (c) Hezbollah/regional proxies. Watch for kinetic release at frame-break boundaries, not at frame-creation boundaries.

Probabilities — regime break toward collapse pole:


Risk level: ELEVATED → HIGH (conditional on R2 Tuesday outcome).

Scout discipline note: C35 does not claim the regime is resolved toward collapse. The Iran intra-state contradiction (Lock #45) means Iran is holding both outcomes open — IRNA public rejection preserves domestic hardline pole; delegation movement preserves negotiation pole. Tuesday R2 could produce: (a) renewed dual-surface regime with fresh 48h instability clock, (b) collapse confirmation with kinetic escalation, (c) substantive framework breakthrough (low-probability tail, ~18% aligned with framework estimate). Scout does not pick. Signals bind; narrative doesn't.


15. Watchlist — C36 triggers

  1. Iran kinetic retaliation for Touska seizure (promise Apr 19; window open)
  2. R2 Tuesday Apr 21 Islamabad — delegation arrival vs IRNA rejection contradiction resolves
  3. Ceasefire expiry Apr 22 — extension / collapse / kinetic resumption
  4. London planning conference Apr 22-23 — defensive mission architecture formalizes independent of R2
  5. Oil tape — Brent $100 threshold test; futures-physical spread re-widening
  6. Trump follow-through on bridges/power plants threat — tonal × operational alignment
  7. Hezbollah response to IDF demolition ops in southern Lebanon buffer zone
  8. Chabahar corridor — 7-VLCC tempo sustainable? Insurance reaction?
  9. Naqdi claim verification — independent intelligence on IRGC missile/drone rebuild pace
  10. Fresh kinetic events at strait boundary — four-event cluster repetition?

16. Sources

Hormuz re-closure (Apr 18-19)

IRNA R2 rejection

Ship-firing incidents

Touska seizure

Oil prices

Trump "NO MORE MR. NICE GUY"

IRGC rebuild doctrine

Paris summit / London planning conference

SPR third tranche

Windward Apr 18-19 maritime data

Lebanon ceasefire

IEA / supply

Ceasefire expiry / R2

Day 52 context

Grok X-Pulse (primary lead signal, Apr 19 17:26 UTC)


Run completed 2026-04-20 ~10:45 CEST. Grok bridge ~17h at write time (outside 12h window but regime-break-dense). Scout full sweep verified all 6 Grok hot claims + 4 material additions (SPR 3rd tranche, London planning Apr 22-23, Windward 11M-bbl Chabahar tempo, Iran intra-state delegation × IRNA contradiction). Baseline C34 → C35 gap 49h (Apr 18 AM → Apr 20 AM) — Apr 18 PM/evening, Apr 19 AM/PM/evening scheduled cycles missed; C35 absorbs as catch-up.

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