Iran has stepped up its campaign against shipping in the Persian Gulf and around the Strait of Hormuz, according to Bloomberg on 20 October 2026. More vessels are being hit than in earlier stages of the conflict, and a growing number of strikes are reaching ships' engine compartments, leaving them more badly damaged. The trend adds new uncertainty for energy supplies leaving the region.
What happened
Bloomberg reported at 12:31 UTC that Iranian attacks on ships in the Gulf have intensified. Compared with the earlier phase of the conflict, the number of vessels hit has gone up. The attacks are also doing more harm, with engine areas now a frequent point of impact. Engine damage can leave a ship unable to move under its own power, which makes these strikes more disruptive than lighter hits.
Why markets are watching
The Persian Gulf and the Strait of Hormuz form one of the most important routes for oil and gas exports in the world. When ships in this area come under attack, traders worry that supplies could be delayed or reduced. That concern can feed into energy prices, and through them into wider markets such as currencies of energy importers and exporters. The source does not give figures for market moves, so we do not report any here.
- 1Attacks on vesselsMore ships hit, heavier damage
- 2Shipping risk growsGulf transit becomes more dangerous
- 3Energy supply concernGulf exports could face disruption
What we know and what we do not
The Bloomberg report describes a clear pattern: more ships affected and heavier damage per attack. It does not give, in the summary available to us, an exact count of vessels hit or the names of the ships involved. We will update our coverage as more confirmed details emerge from reliable sources.
Read alsoWeek in Review: French yields hit 5%, oil jumps on Gulf attacks, UK PMI beatsWhat to watch next
Key points to follow are further reports of attacks, any change in ship traffic through Hormuz, and statements from governments or shipping companies. Energy markets are likely to stay sensitive to headlines from the region. Sudden news can cause fast price swings, so careful risk management matters for anyone trading in this environment.
Sources: Bloomberg.



