Intelligence Feed event · Geopolitical · 2026-10-15

    Iranian attacks cut Strait of Hormuz oil transit to 4.147 million barrels on October 12

    Question

    Iranian attacks cut Strait of Hormuz oil transit to 4.147 million barrels on October 12

    Direct answer

    The collapse in observed transit volumes tightens near-term physical supply expectations and raises voyage-risk pricing for Gulf exporters and importers.

    Original publisher
    Market Ontology
    Evidence through
    2026-10-15
    Published
    2026-10-20
    Revision
    1 · 2026-10-20

    Cite as: Market Ontology, “Iranian attacks cut Strait of Hormuz oil transit to 4.147 million barrels on October 12”, revision 1, evidence through 2026-10-15. https://marketontology.com/market-events/2026-10-15/iranian-attacks-cut-strait-of-hormuz-oil-transit-to-4-147-million-barrels-on-oct-0d2750

    GEOPOLITICAL
    Iranian attacks cut Strait of Hormuz oil transit to 4.147 million barrels on October 12
    The collapse in observed transit volumes tightens near-term physical supply expectations and raises voyage-risk pricing for Gulf exporters and importers.
    BRENT CRUDEWTI CRUDEVLCC FREIGHT
    Impact
    80
    OCT 15
    SIG
    BRENT CRUDEWTI CRUDEVLCC FREIGHT
    Iranian attacks cut Strait of Hormuz oil transit to 4.147 million barrels on October 12
    The collapse in observed transit volumes tightens near-term physical supply expectations and raises voyage-risk pricing for Gulf exporters and importers.
    Impact
    The collapse in observed transit volumes tightens near-term physical supply expectations and raises voyage-risk pricing for Gulf exporters and importers.
    Affected
    BRENT CRUDEWTI CRUDEVLCC FREIGHT
    Source facts

    How this development reaches the affected companies

    AssetExposure and channelDirectionEvidence
    BRENT CRUDELower physical flows through the principal Gulf export chokepoint increase near-term supply scarcityUp1-5dKpler recorded transit at less than one-quarter of prewar levels
    WTI CRUDEGlobal seaborne supply concerns transmit into the US benchmark through international crude pricingUp1-5dThe reported transit collapse was accompanied by higher oil prices globally
    VLCC FREIGHTReduced route availability and elevated attack risk increase tanker voyage costsUp1-4wOperators are confronting heightened danger and sharply higher transportation costs

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    What happened next

    Price follow-up pending — no stored daily closes for these assets yet.

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    Sources

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