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Iran18 Apr

Iran declares Strait of Hormuz closed

The odds of US oil prices surging above $100 a barrel this month have jumped to 44% following Iran's renewed closure of the Strait of Hormuz.

Sources
8 verified
Location
Strait of Hormuz
Updated
Saturday, 18 April 2026 at 14:28 UTC
Iran declares Strait of Hormuz closed
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Synthesis · 8 sources
Iran has announced the complete closure of the Strait of Hormuz once again, reversing a brief reopening and escalating tensions in the critical waterway. The closure has triggered immediate economic shockwaves, with financial markets now pricing in a 44% chance that US oil prices will surge back above $100 per barrel this month. This sharp increase in risk reflects the strait's vital role in global energy transit, handling about a fifth of the world's oil consumption. The blockade continues to disrupt shipping and has already led to attacks on commercial vessels, including Indian-flagged tankers.
Updates · 6
18 Apr@WarMonitor3

The incoming message provides the direct text of Iran's radio broadcast to ships, confirming the earlier Reuters report.

18 Apr@FaytuksNetwork

The incoming message provides the direct text of the VHF broadcast being sent to ships, confirming the closure is being actively communicated to maritime traffic.

18 Apr@InsiderGeo

IRGC statement specifies the strait closure is tied to the US blockade on Iranian ports, and two IRGC fast boats opened fire on the tanker Sanmar within hours of the closure announcement.

18 Apr@MonitorX99800

The closure announcement was delivered via a direct VHF radio broadcast to ships from the Iranian Navy.

18 Apr@clashreport

Iranian Deputy Foreign Minister Saeed Khatibzadeh criticized President Trump's contradictory statements, and Iranian forces have fired on ships following the renewed closure.

18 Apr@KobeissiLetter

Financial markets are now pricing in a 44% chance that US oil prices will surge above $100 per barrel this month as a direct result of the closure.

e/eineurope · topic · T-00841