Gulf Energy Geopolitics

US Hormuz/Iran Ports Blockade Amid IRGC Tolls/Mines/Firing Attacks

US Hormuz/Iran Ports Blockade Amid IRGC Tolls/Mines/Firing Attacks

Key Questions

What is the current duration of the Strait of Hormuz blockade?

The blockade has been in place for over 57 days. It was re-closed after the April 22 ceasefire due to ship seizures and attacks by IRGC forces involving tolls, mines, and firing.

What economic tolls has Iran imposed on the Strait of Hormuz?

Iran has confirmed tolls with a potential annual value of $100 billion. These measures contribute to a backlog exceeding 600 million barrels of oil worth over $50 billion.

How has shipping traffic been affected in the Strait of Hormuz?

Traffic has dropped to less than 20 ships per day, sporadically. Over 2,000 ships are trapped, causing freight and container surges.

What claims has Trump made regarding control of the Strait of Hormuz?

Trump stated that the US has completely controlled the Strait of Hormuz, claiming no ships can enter or exit without US military approval. Prediction market odds for US control stand at around 26%.

What is the Pentagon's estimate for clearing the Strait of Hormuz?

The Pentagon estimates it will take 6 months to clear the strait. This follows ongoing attacks and seizures disrupting navigation.

What are the impacts of recent ship attacks in the Strait of Hormuz?

Vessels have been attacked, raising fears of energy supply disruptions. Iran reimposed strict control, with IRGC dismissing foreign influence and firing on oil tankers.

How has the blockade affected global oil prices?

Oil prices have surged, with Brent up 5.6% amid ceasefire collapse fears. The closure has caused severe supply disruptions, potentially lasting years even after reopening.

What internal dynamics in Iran are influencing the Strait of Hormuz situation?

Iran's hardliners have reasserted control after a 24-hour policy reversal. This exposes power struggles between leadership and military factions, overriding diplomatic signals.

Blockade day 57+: Iran tolls confirmed ($100B/yr potential), re-closes post-Apr22 ceasefire amid ship seizures/attacks, traffic <20/day sporadic, >600M bbl/$50B+ backlog, 2k ships trapped; Trump control claims, pred mkt odds ~26%, Pentagon 6mo clearance, freight/container surges.

Sources (14)
Updated Apr 25, 2026