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Iran Announces Full Closure of Strait of Hormuz Following US Strikes
Occurred 19 Feb 2026·Detected 16 Jun 2026·
🇮🇷 Strait of Hormuz, between Iran and the Arabian Peninsula (Oman/UAE)289 reportsCAT RSHR
Political Violence & WarMarineEnergy & InfrastructureWar & Armed ConflictPolitical RiskTrade DisruptionPropertyMarine HullMarine CargoAviationEnergyTerrorism & Political ViolencePolitical RiskWar Risk
Iran has announced a full closure of the Strait of Hormuz to all maritime traffic 'until further notice,' citing renewed US military strikes on Iran. The chokepoint carries an estimated ~20% of seaborne global oil trade. Closure enforcement capacity, duration, and an unverified Iranian claim that two oil tankers were struck remain unconfirmed. Separate reporting of Iranian rocket attacks on US military bases across three regional countries and threats of further escalation are also unverified. The announcement alone is sufficient to drive acute war-risk repricing across marine hull, marine cargo, energy, and war risk lines.
AI-generated from linked source reports. See our correction policy.
Impact verdict
High impact. Loss pathway: A full, sustained Strait of Hormuz closure would disrupt an estimated ~20% of seaborne global oil flows, directly exposing marine hull (vessels in transit, possible interdiction), marine cargo (crude and LNG cargoes at risk), energy (offshore platforms, refineries, pipeline throughput), war risk (premium spikes, additional premium notifications, vessel seizures, trading-warrant cancellations, possible interdict reports of two tankers), and political violence/terrorism lines. Evidence: Iran publicly declared full closure in response to reported US strikes; closure is stated as 'until further notice' by Iranian authorities; the chokepoint carries a material share of seaborne crude flows; IRGC forces are positioned with potential to enforce; Iran has additionally claimed rocket attacks on US bases in three regional countries. Limits: Whether Iran can sustain full interdiction, duration of any disruption, the specific US targets struck, Gulf-state response, the reliability of the reported two-tanker interdict, and the scale/casualties of any base attacks remain unverified or partially unverified. The Iranian announcement and reported enforcement posture are sufficient on their own to trigger immediate war risk market repricing and to drive marine and energy policy reassessment.
View assessment methodologyHow we grade what we know -- Known · Reported · Uncertain. Methodology →
Intelligence ledger
Each line expands in place to its underlying sourced claim.
Known18 lines
Iran has announced full closure of the Strait of Hormuz▾
structured lineknown
No separate sourced-claim record is available for this line yet.
Closure is stated as a response to US military strikes on Iran▾
structured lineknown
No separate sourced-claim record is available for this line yet.
The Strait of Hormuz handles approximately 20% of global oil trade▾
structured lineknown
No separate sourced-claim record is available for this line yet.
Primary geographic exposure is the Strait of Hormuz between Iran and the Arabian Peninsula (Oman/UAE), with proximate IRGC bases at Bandar Abbas, Sirik, Jask, Minab, and Qeshm.▾
primary_geographic_exposure_strait_of_hormuzgeographic exposure identificationMarine Hull
Market relevance: Localizes underwriting exposure for marine hull, cargo, and energy offshore facilities.
The Strait of Hormuz handles approximately 20% of seaborne global oil trade.▾
strait_of_hormuz_carries_about_20_percent_of_seaborne_global_oilsupply chain exposureEnergy
Market relevance: Quantifies the supply-chain exposure for marine cargo, energy, and war risk underwriters.
“approximately 20% of global oil passes” — nakedcapitalism.com · 11 Jun 2026, 10:45 · mainstream media
The Strait of Hormuz carries an estimated ~20% of seaborne global oil trade.▾
strait_of_hormuz_share_of_seaborne_oilexposure referencevalid from 17 Jun 2026, 20:52energy
Market relevance: Material exposure reference for marine cargo, energy, and war risk lines; supports high severity banding for sustained closure scenarios.
“the critical maritime chokepoint through which approximately 20% of global oil passes” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
“the critical maritime chokepoint through which approximately 20% of global oil passes” — starnieuws.com · 11 Jun 2026, 08:00 · mainstream media
All four current sources are mainstream-media, with three independent corroborating the closure announcement and one providing additional escalation reporting.▾
source_family_concentration_mainstreamevidence layer notevalid from 17 Jun 2026, 20:52war_risk
Market relevance: Supports using mainstream sources as the working evidence layer pending authoritative or trade confirmation.
The Strait of Hormuz carries an estimated ~20% of global oil trade / shipments.▾
hormuz_oil_flow_shareseverity anchorEnergy
Market relevance: Underpins severity banding for marine cargo, energy, and war risk accumulation
“through which approximately 20% of global oil passes” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
“effectively blocking one of the world's most critical oil chokepoints” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
The Strait of Hormuz is a critical maritime chokepoint through which a material share of global seaborne oil trade transits; the reporting cites a figure of approximately 1,000,000 barrels per night.▾
strait_hormuz_global_oil_shareexposure quantificationMarine Cargo
Market relevance: Establishes scale of energy supply at risk; underpins potential insured loss severity across marine cargo and energy lines.
Iran has announced a full closure of the Strait of Hormuz to all maritime traffic, described as 'complete' and in effect 'until further notice.'▾
iran_announces_full_closure_of_strait_of_hormuzwar risk premium spikevalid from 18 Jun 2026, 07:26Marine War
Market relevance: Primary trigger for acute war-risk repricing across marine and energy lines; affects ~20% of seaborne global oil transit.
“Iran closes Strait of Hormuz after fresh US strikes” — samaa.tv · 11 Jun 2026, 10:45 · mainstream media
Iran has publicly announced a full closure of the Strait of Hormuz to all vessels, stated as in effect until further notice.▾
iran_declared_full_strait_of_hormuz_closurerepricingvalid from 17 Jun 2026, 20:52war_risk
Market relevance: Directly material to marine hull, marine cargo, energy, and war risk underwriting in the Persian Gulf / Strait of Hormuz listed area.
“Strait of Hormuz fully closed after US strikes on Iran” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
“Iran closes Hormuz Strait to all vessels in response to new US attack” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
“VS valt Iran aan, Iran sluit Straat van Hormuz” — starnieuws.com · 11 Jun 2026, 08:00 · mainstream media
Iran has publicly announced a full closure of the Strait of Hormuz to all vessels.▾
iran_announces_full_closuremarket repricing signalvalid from 11 Jun 2026, 00:00War
Market relevance: Closure announcement alone triggers war risk repricing and trading-warrant review
“Iran announces closure of Strait of Hormuz to all vessels amid renewed US attacks” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
“Tehran says it closed Strait of Hormuz as US renews Iran attacks” — newindianexpress.com · 11 Jun 2026, 03:00 · mainstream media
“US bombs Iran after Trump threat, Tehran closes Hormuz Strait to all ships” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
The Iranian closure announcement and reported enforcement posture are sufficient to trigger immediate war risk market repricing, including possible additional premium notifications and trading-warrant cancellations.▾
closure_market_repricing_war_riskrepricingvalid from 17 Jun 2026, 20:52war_risk
Market relevance: Direct market consequence for war risk and energy underwriters in the London market.
“catastrophic escalation for global energy supply, marine trade, and war risk underwriting” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
Crude oil and LNG cargoes transiting or scheduled to transit the Strait face marine cargo exposure; offshore platforms, refineries, and pipelines face energy exposure from sustained disruption.▾
marine_cargo_energy_exposureloss pathwayMarine Cargo
Market relevance: Multi-line exposure to crude and LNG cargoes, plus downstream energy assets
“marine cargo, war risk, energy, and political risk claims across London market books” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
The closure announcement and reported enforcement action are sufficient to trigger immediate war risk market repricing, additional premium notifications, and possible trading-warrant cancellations on transit routes through the Strait.▾
war_risk_market_repricingmarket repricing signalWar
Market relevance: Direct multi-line London market impact across war, marine hull, marine cargo, and energy
“significant spike in war risk premiums across multiple London market lines” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
“trigger immediate marine hull, marine cargo, war risk, energy, and political risk claims across London market books” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
Vessels in transit or scheduled to transit the Strait face elevated marine hull exposure from interdiction, mine risk, or military engagement.▾
marine_hull_transit_exposureloss pathwayMarine Hull
Market relevance: Direct exposure to marine hull books with Strait transit
“trigger immediate marine hull, marine cargo, war risk, energy, and political risk claims” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
Event is active and developing; closure is in effect 'until further notice' with no de-escalation signal present in current reporting.▾
event_lifecycle_status_activestatus confirmationvalid from 18 Jun 2026, 07:26Marine War
Market relevance: Active status supports elevated war risk posture and ongoing reassessment of marine and energy books.
“Iran closes Strait of Hormuz after fresh US strikes” — samaa.tv · 11 Jun 2026, 10:45 · mainstream media
The event remains in the 'signal' lifecycle stage, reflecting initial detection of the closure announcement without verified physical disruption.▾
event_lifecycle_signalstatusvalid from 16 Jun 2026, 11:03
Market relevance: Lifecycle status informs whether to apply pre-event market actions or post-event claims handling.
Reported28 lines
US strikes on Iran prompted the closure announcement▾
structured linereported
No separate sourced-claim record is available for this line yet.
The closure is described as 'complete' by Iranian authorities▾
structured linereported
No separate sourced-claim record is available for this line yet.
Iran cited renewed US military strikes on Iran as the trigger for the Hormuz closure announcement.▾
closure_cited_trigger_is_us_military_strikes_on_irangeopolitical escalation contextvalid from 18 Jun 2026, 07:26Marine War
Market relevance: Establishes the kinetic/geopolitical escalation context for the closure decision.
“Iran closes Strait of Hormuz after fresh US strikes” — samaa.tv · 11 Jun 2026, 10:45 · mainstream media
The Iranian closure announcement is corroborated by three independent mainstream-media sources reporting the declaration in effect 'until further notice.'▾
three_independent_sources_corroborate_closuresource corroborationMarine War
Market relevance: Supports reclassification of the closure declaration from a single-source claim to a corroborated market-moving event.
“Iran closes Strait of Hormuz after fresh US strikes” — samaa.tv · 11 Jun 2026, 10:45 · mainstream media
Iranian officials have publicly threatened to 'turn everything into hell,' signalling potential further escalation.▾
iran_issued_escalation_threat_turn_into_hellrepricingvalid from 17 Jun 2026, 20:15war_risk
Market relevance: Supports a sustained war risk premium regime and elevated caution across regional lines.
Iran has cited renewed US military strikes on Iran as the trigger for the Strait of Hormuz closure announcement.▾
closure_triggered_by_us_strikes_on_iranrepricingvalid from 17 Jun 2026, 20:28war_risk
Market relevance: Frames the closure as a retaliatory geopolitical act rather than a routine maritime measure, supporting a sustained war risk premium regime.
“Iran closes Hormuz Strait to all vessels in response to new US attack” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
“VS valt Iran aan, Iran sluit Straat van Hormuz” — starnieuws.com · 11 Jun 2026, 08:00 · mainstream media
Iran has threatened that any vessel attempting to pass through the strait will be fired upon.▾
iran_threat_to_fire_on_transiting_vesselsrepricingvalid from 17 Jun 2026, 20:28war_risk
Market relevance: Raises enforcement risk for hull and war risk; supports possible trading-warrant cancellations and additional premium notifications.
“any vessel attempting to pass through will be fired upon” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
Iran has launched rocket attacks on US military bases in three regional countries, per regional reporting, and threatened further escalation.▾
iran_reported_rocket_attacks_on_us_bases_three_countriesrepricingvalid from 17 Jun 2026, 20:15political_violence
Market relevance: Expands scope of conflict beyond maritime chokepoint; relevant to political violence, war risk, and aviation lines for the broader region.
“Iran raketirao američke baze u 3 zemlje regiona” — naslovi.net · 11 Jun 2026, 08:00 · mainstream media
Iran stated the closure is a response to renewed US military strikes on Iran.▾
closure_trigger_us_strikescausal contextvalid from 11 Jun 2026, 00:00War
Market relevance: Frames the event as conflict-driven, supporting war risk treatment
“in response to Iran unwarranted and continued aggression” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
“Tehran says it closed Strait of Hormuz as US renews Iran attacks” — newindianexpress.com · 11 Jun 2026, 03:00 · mainstream media
“Iran announces closure of Strait of Hormuz to all vessels amid renewed US attacks” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
Reporting names the Islamic Revolutionary Guard Corps (IRGC) as the actor positioned to enforce the closure, including the Quds Force in some accounts.▾
irgc_potential_enforcementenforcement contextvalid from 11 Jun 2026, 00:00War
Market relevance: Identifies enforcement actor relevant to war risk and trading-warrant review
“Iran Islamic Revolutionary Guard Corp” — newindianexpress.com · 11 Jun 2026, 03:00 · mainstream media
“Islamic Revolutionary Guard Corps” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
The US has conducted (or renewed) military strikes against Iran, with reporting referencing strikes in the Kargan, East Azerbaijan region.▾
us_strike_iranian_territorycausal contextvalid from 10 Jun 2026, 00:00War
Market relevance: Causal context for the closure; raises broader war risk and political violence posture
“US bombs Iran after Trump threat” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
The Iranian announcement of Strait closure is explicitly framed as a response to US military strikes on Iran.▾
closure_triggered_by_us_strikeswar peril triggerMarine War
Market relevance: Establishes kinetic-conflict context relevant to war risk peril triggers and notice of cancellation clauses.
“Iran says it is closing Strait of Hormuz completely after US strikes” — washingtonexaminer.com · 11 Jun 2026, 00:15 · mainstream media
Iran has claimed that two oil tankers attempting to illegally pass through the strait were hit, indicating possible physical enforcement of the closure.▾
iranian_claim_two_tankers_hit_enforcing_closurerepricingvalid from 17 Jun 2026, 20:52marine_hull
Market relevance: If confirmed, direct hull/cargo loss potential and a major war risk repricing catalyst; currently unverified.
“two oil tankers attempting to illegally pass through the strait were hit” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
The Iranian closure announcement is itself sufficient to trigger immediate war risk market repricing, additional premium notifications, and policy reassessment across marine and energy books.▾
war_risk_premium_repricing_already_triggered_by_announcementwar risk premium spikevalid from 18 Jun 2026, 07:26Marine War
Market relevance: Direct near-term effect on listed and slip rates; drives AP notices and trading-warrant cancellations.
“major market-moving event for marine, energy, and war risk underwriters” — nakedcapitalism.com · 11 Jun 2026, 10:45 · mainstream media
“major market-moving event with global economic consequences and potential claims across multiple London market books” — samaa.tv · 11 Jun 2026, 10:45 · mainstream media
Energy underwriters face downstream exposure to offshore platforms, refineries, and pipeline throughputs in the Gulf region if a sustained closure drives retaliatory strikes or supply disruption.▾
energy_offshore_and_refinery_exposureenergy loss exposureEnergy
Market relevance: Direct London market energy book exposure to Gulf-region physical assets; secondary exposure to BI from supply disruption.
Marine cargo policies covering crude oil and LNG cargoes transiting the Strait of Hormuz face elevated loss exposure under a sustained closure or interdiction scenario.▾
marine_cargo_crude_and_lng_cargo_exposurecargo accumulation riskMarine Cargo
Market relevance: Cargo owners and charterers are likely to seek extended cover declarations; underwriters to monitor for accumulation.
The combined closure declaration and reported rocket attacks on US bases across three regional countries signal an elevated political violence and terrorism loss environment across the Middle East theater.▾
political_violence_avalanche_signalregional avalanche escalationPolitical Violence
Market relevance: Drives loss of attraction and sub-limit considerations for political violence and terrorism lines; broadens regional event definition.
Vessels in transit through or near the Strait of Hormuz face direct hull exposure to potential Iranian interdiction, with the unverified tanker-strike report providing a possible loss precedent.▾
marine_hull_vessel_interdict_exposurehull loss exposureMarine Hull
Market relevance: Primary loss pathway for marine hull and P&I underwriters operating Persian Gulf trades.
Vessels in transit and crude/LNG cargoes are exposed to potential interdiction, seizures, and cancellation risk under the announced closure regime.▾
marine_hull_cargo_exposure_increasedexposure liftvalid from 17 Jun 2026, 20:52marine_cargo
Market relevance: Direct loss pathway for marine hull and marine cargo lines.
“marine hull, marine cargo, energy, war risk, and political violence lines” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
“tanker hull, cargo, war risk P&I, and energy loss-of-profit policies” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
Reported Iranian rocket attacks on US bases in three regional countries broaden conflict scope, supporting elevated political violence and terrorism line exposure across the region.▾
political_violence_and_pv_line_exposureexposure liftvalid from 17 Jun 2026, 20:15political_violence
Market relevance: Expands conflict beyond maritime chokepoint to onshore regional assets and personnel.
“Iran raketirao američke baze u 3 zemlje regiona” — naslovi.net · 11 Jun 2026, 08:00 · mainstream media
Energy exposures including offshore platforms, refineries, and pipeline throughput are threatened by a sustained Strait of Hormuz closure.▾
energy_offshore_and_pipeline_exposureexposure liftvalid from 17 Jun 2026, 20:52energy
Market relevance: Drives energy and onshore energy loss-of-profit exposure; complements marine transit loss pathway.
“energy (offshore platforms, refineries, pipeline throughput)” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
Offshore platforms, refineries, and pipeline infrastructure in the Gulf face elevated exposure to disruption, with potential upstream and downstream energy losses.▾
energy_offshore_infrastructure_exposureexposure increaseEnergy
Market relevance: Energy underwriters face property damage and business interruption exposure on Gulf assets.
Crude oil and LNG cargoes in transit or awaiting transit face elevated marine cargo exposure under a sustained Strait closure.▾
marine_cargo_exposurepremium repricingMarine Cargo
Market relevance: Marine cargo underwriters exposed to commodity value at risk; potential AP and cancellation activity on Gulf-bound voyages.
Vessels in transit through the Strait face elevated marine hull exposure from potential kinetic incidents, mines, or military action during a closure.▾
marine_hull_exposurewarranty reevaluationMarine Hull
Market relevance: Marine hull underwriters will reassess listed area warranties and trading warranties for the Persian Gulf.
The closure announcement is expected to trigger immediate war risk premium increases, additional premium notifications, and potential reinsurance treaty reinstatements for marine tonnage in the region.▾
war_risk_premium_repricing_imminentpremium repricingMarine War
Market relevance: Direct Lloyd's market implication: war risk hull and cargo covers are repriced in real time on chokepoint kinetic events.
The closure is described by Iranian authorities as 'complete' and stated as in effect 'until further notice.'▾
closure_stated_in_effect_until_further_noticerepricingvalid from 17 Jun 2026, 20:52war_risk
Market relevance: Open-ended duration language increases uncertainty around war risk pricing windows and trading-warrant continuity.
“Strait of Hormuz fully closed after US strikes on Iran” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
“Iran closes Hormuz Strait to all vessels in response to new US attack” — middleeastmonitor.com · 11 Jun 2026, 08:15 · mainstream media
Iran stated the Strait is 'closed until further notice,' with no stated end date.▾
closure_duration_open_endedduration uncertaintyvalid from 11 Jun 2026, 00:00War
Market relevance: Open-ended closure extends the insured-loss exposure window and trading-warrant impact
Iran has announced it is completely closing the Strait of Hormuz in response to US military strikes.▾
iran_announces_full_strait_closurepremium spike and reevaluationvalid from 16 Jun 2026, 11:03Marine War
Market relevance: Acute chokepoint disruption threatens global seaborne energy trade; immediate war risk repricing expected.
“Iran says it is closing Strait of Hormuz completely after US strikes” — washingtonexaminer.com · 11 Jun 2026, 00:15 · mainstream media
Uncertain20 lines
Whether Iran has the naval capacity to enforce a full closure▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Whether the Iranian Revolutionary Guard Navy or regular navy will physically interdict vessels▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Duration of any potential closure▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Whether all Gulf states will comply or whether alternative routing through pipelines can offset disruption▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Specific US targets struck and extent of damage▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Whether Gulf states will comply with the Iranian closure, seek to maintain transit, or activate pipeline alternatives (e.g., UAE east-west pipeline, Saudi East-West pipeline) to offset disruption remains unverified.▾
gulf_state_response_to_closure_unconfirmedregional response uncertaintyEnergy
Market relevance: A coordinated Gulf pipeline response could materially limit seaborne oil loss; non-response would amplify it.
Duration of any potential Strait of Hormuz closure remains unverified; only that the closure is stated as 'until further notice.'▾
closure_duration_unknownduration uncertaintyMarine Cargo
Market relevance: A multi-day closure materially exceeds a symbolic declaration; energy BI and marine cargo accumulations scale with duration.
“Iran closes Strait of Hormuz after fresh US strikes” — samaa.tv · 11 Jun 2026, 10:45 · mainstream media
Whether Iran has the naval capacity to fully enforce a Strait of Hormuz closure, and whether IRGCN or regular navy assets would physically interdict vessels, remains unverified.▾
iranian_enforcement_capacity_for_full_closure_uncertainwar risk pricing uncertaintyMarine War
Market relevance: Determines whether war risk losses are likely material versus symbolic announcement; affects additional premium posture.
“Well , we're not fully opening up the Strait” — nakedcapitalism.com · 11 Jun 2026, 10:45 · mainstream media
Whether Iran has the naval capacity to physically enforce a full closure, and whether the IRGC or regular navy will sustain interdict operations, remains unverified.▾
enforcement_capacity_uncertainduration uncertaintyWar
Market relevance: Determines whether declared closure translates into insured loss events
“Whether Iran has the naval capacity to enforce a full closure” — thestar.com.my · 11 Jun 2026, 03:00 · mainstream media
The specific targets struck by US forces and the extent of damage have not been independently confirmed in the supplied evidence.▾
us_strike_targets_unconfirmedescalation indicatorMarine War
Market relevance: Strike scope affects escalation risk and potential notice of cancellation triggers under war risk policies.
Iran claims that two oil tankers were hit while attempting to transit the Strait of Hormuz; this remains unverified.▾
iranian_claim_two_oil_tankers_struck_while_transitingpotential ap triggervalid from 18 Jun 2026, 07:26Marine Hull
Market relevance: If confirmed, would constitute a direct marine hull and war risk loss event supporting an AP notice trigger.
Reporting indicates Iranian rocket attacks on US military bases in three regional countries, with further escalation threats; specific base-target and casualty figures remain unverified.▾
iran_rockets_target_us_bases_in_three_regional_countriesregional avalanche escalationPolitical Violence
Market relevance: If confirmed, broadens political violence, aviation war, and personal accident exposure across multiple regional theaters.
Iran claims two oil tankers attempting to transit the Strait were hit; this enforcement claim is attributed only to Iranian authorities and is not independently corroborated.▾
reported_tanker_interdictescalation signalvalid from 11 Jun 2026, 00:00Marine Hull
Market relevance: If corroborated, indicates active physical enforcement and elevates marine hull / war risk loss probability
“two oil tankers attempting to illegally pass through the strait were hit” — dominicanrepublicpost.com · 11 Jun 2026, 03:00 · mainstream media
Heightened risk of vessel seizures, boardings, or detentions by Iranian naval forces during a closure period cannot be ruled out.▾
vessel_seizure_riskperil engagementMarine War
Market relevance: Seizure risk directly engages marine war and detention cover terms; potential notice of cancellation trigger.
Whether Iran has the naval capacity to enforce a full physical closure of the Strait remains unverified in the supplied evidence.▾
closure_enforceability_uncertainseverity uncertaintyMarine War
Market relevance: Determines whether disruption is rhetorical or operational; critical input to war risk severity banding.
Whether Iran has the naval capacity to enforce a full Strait of Hormuz closure, and which force (IRGCN or regular navy) would physically interdict vessels, is unverified.▾
physical_enforcement_capacity_uncertainscenario uncertaintyvalid from 17 Jun 2026, 20:52war_risk
Market relevance: Determines whether closure is symbolic/posture or operational; key for hull and war risk loss modelling.
“Physical enforcement capacity, duration, and Gulf-state response remain unverified” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
The duration of any potential Strait of Hormuz closure is unverified; Iranian language references 'until further notice.'▾
closure_duration_uncertainscenario uncertaintyvalid from 17 Jun 2026, 20:52war_risk
Market relevance: Drives length of war risk repricing window and trading-warrant/cargo policy reassessment.
Supersession history: 1 prior/revised claim rows.
The specific US targets struck on Iran and the extent of damage are unverified in the current reporting.▾
specific_us_strike_targets_uncertainscenario uncertaintyvalid from 17 Jun 2026, 20:52war_risk
Market relevance: Affects escalation modelling and duration assumptions for war risk pricing.
“Specific US targets struck and extent of damage remain unverified” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
Whether all Gulf states will comply with the closure or whether alternative routing via pipelines (e.g., UAE East-West pipeline, Saudi pipelines) can offset disruption is unverified.▾
gulf_state_response_uncertainscenario uncertaintyvalid from 17 Jun 2026, 20:52energy
Market relevance: Determines net impact on energy supply, marine cargo diversion, and loss-of-profit exposures.
Supersession history: 1 prior/revised claim rows.
Iranian claims that two oil tankers attempting to transit the strait were hit have not been independently verified.▾
tanker_interdict_unverifiedscenario uncertaintyvalid from 17 Jun 2026, 20:52marine_hull
Market relevance: Confirmation would mark transition from announced closure to kinetic enforcement, materially raising hull/cargo loss expectations.
“the reliability of the reported tanker interdict remain unverified” — sunstar.com.ph · 11 Jun 2026, 08:30 · mainstream media
Geographic Zone Matches
14 active matches
- Oman (12nm coastal buffer)Rule-basedConfidence 100%
- OFAC Sanctioned CountriesRule-basedConfidence 100%
- United Arab Emirates (12nm coastal buffer)Rule-basedConfidence 100%
- TRIA Certified AreasRule-basedConfidence 100%
- JWC Listed AreasRule-basedConfidence 100%
- Kuwait (12nm coastal buffer)Rule-basedConfidence 100%
- EU Sanctions ListRule-basedConfidence 100%
- Iran (12nm coastal buffer)Rule-basedConfidence 100%
- Saudi Arabia (12nm coastal buffer)Rule-basedConfidence 100%
- Bahrain (12nm coastal buffer)Rule-basedConfidence 100%
- Qatar (12nm coastal buffer)Rule-basedConfidence 100%
- Pacific Ring of FireRule-basedConfidence 100%
- Persian/Arabian Gulf, Gulf of Oman, Indian Ocean, Gulf of Aden and Southern Red SeaRule-basedConfidence 100%
- Caribbean Hurricane ZoneRule-basedConfidence 100%
Geographic zone matches are RiskEvents spatial/analytical indicators, not coverage determinations or Lloyd's official classifications.
Affected countries
🇮🇷 Iran🇺🇸 United States🇦🇪 United Arab Emirates🇴🇲 Oman🇸🇦 Saudi Arabia🇧🇭 Bahrain🇶🇦 Qatar🇰🇼 Kuwait
+14 more
Latest developments
- Iran announced a full closure of the Strait of Hormuz to all maritime traffic, in effect 'until further notice.' — samaa.tv
- Iran cited renewed US military strikes as the trigger for the closure announcement. — samaa.tv
- The Strait of Hormuz carries an estimated ~20% of seaborne global oil trade. — samaa.tv
- An unverified Iranian claim reports two oil tankers were hit while attempting to transit the strait. — samaa.tv
- Reporting describes Iranian rocket attacks on US military bases across three regional countries; details remain unverified. — samaa.tv
- Iran's ability to physically enforce a full closure of the strait remains unverified. — samaa.tv
- The duration of the announced closure is not stated beyond 'until further notice.' — samaa.tv
- The response of Gulf states and the degree of pipeline offset remain unverified. — samaa.tv
Timeline
Intelligence Refresh18 Jun 2026, 08:59
Intelligence Refresh17 Jun 2026, 21:10
Intelligence Refresh16 Jun 2026, 22:04
Status Change16 Jun 2026, 11:22
Status changed to active
evidence_trigger: developing_promotion
developing -> active
Corroboration16 Jun 2026, 11:22
Iran has closed the Strait of Hormuz following fresh US military strikes, with reports of direct clashes between Iranian and American forces. The closure of this critical maritime chokepoint — through which approximately 20% of global oil passes — represents a severe escalation with immediate implications for marine hull, marine cargo, energy, war risk, and political violence lines of business. This is a market-moving event that will trigger immediate war risk premium increases, potential reinsurance treaty reviews, and energy market disruption.
Source: indiatimes.com (Mainstream Media) · View source
Status Change16 Jun 2026, 11:20
Status changed to developing
evidence_trigger: corroboration >= 2
signal -> developing
Corroboration16 Jun 2026, 11:20
US Central Command (CENTCOM) announced additional strikes on multiple targets inside Iran. Iran responded by declaring the Strait of Hormuz 'completely closed' and threatening to attack any vessel attempting to transit. This represents a major escalation with direct implications for marine hull, marine cargo, war risk, energy, and political violence lines of business, as the Strait of Hormuz carries approximately 20% of global oil shipments.
Source: NHK News (Japanese) (Mainstream Media) · View source
Intelligence Refresh16 Jun 2026, 11:08
Initial Detection16 Jun 2026, 11:03
Initial Detection
Iran has declared it is completely closing the Strait of Hormuz in response to US military strikes, a critical maritime chokepoint through which approximately 20% of global oil passes daily. Complete closure of the Strait would represent an unprecedented disruption to global energy supply chains, triggering immediate impacts across marine hull, marine cargo, energy, war risk, and political violence lines of business, with massive insured exposure across global shipping and energy infrastructure.
Iran says it is closing Strait of Hormuz completely after US strikes
Source: washingtonexaminer.com (Mainstream Media) · View source
Lloyd's classifications
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