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Iran increases Hormuz attacks, commercial threats

  • Market: Crude oil, Fertilizers, Freight, Natural gas, Oil products
  • 06/11/26

Iran is increasing pressure on shipping out of the Mideast Gulf by escalating the physical, and potentially financial, risks associated with transiting the strait of Hormuz, with deadly consequences.

At least two seafarers died in the strait of Hormuz this week, with the International Maritime Organization confirming a crew fatality following the 4 November attack on the Velos Sapphiretanker. This attack occurred two days after an Indian national died following a strike on a small cargo ship off the coast of Oman.

Iran's Persian Gulf Strait Authority (PGSA) has progressively expanded its list of vessels it says do not comply with transit rules it imposed since the US and Israel attacked it in February, and warned last week it would take action against all vessels linked to South Korea shipping firm Sinokor.

The PGSA did not specify in its latest notice what action would be taken against the vessels, but the authority has previously said ships on its non-compliance list could face restrictions on future passages through the strait of Hormuz, including fines, detention or confiscation.

Iran is attempting to increase the perceived commercial risk associated with the PGSA non-compliance list by expanding it, but the practical risk of attack remains tied to strait of Hormuz transit activity, maritime intelligence firm Ambrey said in an assessment on Friday.

The UK Maritime Trade Operations (UKMTO) reported 11 attacks in the week ended 4 November, split between eight in the strait of Hormuz and three inside the Mideast Gulf. Of those attacks, three vessels continued their voyages, three vessels sank and the remaining five ships all required assistance.

There is no direct relationship between Iranian attacks and being on the PGSA's list, with fewer than 15pc of vessels struck by Iran having been designated by the PGSA prior to getting attacked, Ambrey said.

Record tanker earnings have enticed a growing number of transits through the strait of Hormuz despite the fatal risks associated with such trips. An increase in vessel transits, especially through the southern US-assisted lane, has in turn given Iran a growing number of targets to hit. The southern lane remains the most targeted, accounting for 63 out of 88 projectile strikes reported to the UKMTO since July.

Preliminary data shows oil flows through the strait of Hormuz fell in October from the month prior amid increased attacks from Iran, but flows remained up from August levels.


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