Iran's Revolutionary Guard says the Strait of Hormuz remains closed to vessels without Iranian permission
Question
Iran's Revolutionary Guard says the Strait of Hormuz remains closed to vessels without Iranian permission
Direct answer
Keeps shipping, tanker insurance and crude-flow disruption risk elevated despite U.S. claims of reopening.
- Original publisher
- Market Ontology
- Evidence through
- 2026-08-28
- Published
- 2026-10-20
- Revision
- 1 · 2026-10-20
Cite as: Market Ontology, “Iran's Revolutionary Guard says the Strait of Hormuz remains closed to vessels without Iranian permission”, revision 1, evidence through 2026-08-28. https://marketontology.com/market-events/2026-08-28/iran-s-revolutionary-guard-says-the-strait-of-hormuz-remains-closed-to-vessels-w-74e7fe
How this development reaches the affected companies
| Asset | Exposure and channel | Direction | Evidence |
|---|---|---|---|
| BRN | a closure claim on the chokepoint preserves geopolitical risk premia in benchmark crude | Up1-5d | IRGC Navy said the Strait of Hormuz would remain closed to ships without Iranian permission |
| DBA | extended risk to Gulf export logistics can support broader commodity inflation baskets | Up1-5d | the IRGC said the waterway remained closed to vessels without coordination with Iran |
| LNG | higher tanker uncertainty can favor alternative LNG trade routes and price optionality in non-Hormuz supply chains | Up1-4w | IRGC statement kept the waterway status disputed and conditioned transit on Iranian permission |
Does this development affect your holdings?
Enter your holdings to check them against this and other recent developments, review the decision that matters most, then set a monitor.
Review your initial audit before choosing ongoing portfolio scanning at $79/month.
What happened next
| Asset | Call | Base close | +1 day | +5 days | +20 days |
|---|---|---|---|---|---|
| BRN | Updisagreed | 0.99 2026-08-28 | -2.76% | -3.07% | -5.60% |
| LNG | Updisagreed | 282.33 2026-08-28 | +3.32% | +3.43% | -4.49% |
Closing prices from stored daily bars; returns measured from the last close on or before the event date. Not a recommendation.
Sources
Related
- 2026-10-21Iran says it will not reopen the Strait of Hormuz before the United States accepts its conditionsBDTI BRN DXY
- 2026-10-21Saudi Arabia says an attack killed two people and wounded two at the Shaybah oil field2222.SR BDTI BRN
- 2026-10-21Iraq closes the Sheeb crossing with Iran to all traffic until further noticeDBA IQD=X
- 2026-10-21Qatar and France demand unrestricted navigation through the Strait of Hormuz after talks in DohaBDTI BRN QSE
- 2026-10-20Iranian Revolutionary Guard warns it could target undersea communication cables in the Strait of HormuzBRN STNG ZIM
- 2026-10-20Qatar says Iran-US negotiations continue as Doha and Pakistan present a compromise proposalBRN DXY
- 2026-10-20Iraq raises crude exports above 3.4 million barrels a day in October as shipments recoverBRN ICE_WTI
- 2026-10-20Iranian First Vice President Mohammad Reza Aref says Tehran must assert control of the Strait of HormuzBRN DXY GC
See today's live cards
Public pages are published 24 hours after the product shows them. Desk shows every catalyst, event and causal reading as it happens, mapped to your holdings.