Iran Reimposes Strict Control Over Strait of Hormuz Amid Ongoing U.S. Naval Blockade

Bearish (-0.7)Impact: High

Published on April 18, 2026 (3 hours ago) · By Vibe Trader

Iranian officials announced on Sunday that the Strait of Hormuz has returned to 'strict control' by Iranian armed forces, reversing a previous declaration that the waterway was 'completely open' just one day earlier. This decision was attributed to the continued U.S. naval blockade of Iranian ports, with a spokesperson for Iran’s Khatam al-Anbiya military command stating that the situation would remain unchanged until the U.S. allows full freedom of navigation for Iranian vessels [1].

The U.S. blockade, according to President Donald Trump, will persist until a peace deal is reached. In response, Iran’s parliament speaker warned that the Strait of Hormuz would 'not remain open' unless the blockade is lifted. Iranian military officials accused the U.S. of 'acts of piracy and maritime theft' under the guise of the blockade [1].

The Strait of Hormuz is a critical trade route, handling 20% of the world’s oil shipments. Following Iran’s initial announcement of reopening the waterway, U.S. crude oil prices plunged 11.4% to $83.85 per barrel, the lowest since March 10, while international Brent crude fell 9% to $90.38 per barrel. However, shipping companies showed limited initial movement as they assessed the situation [1].

The reimposition of strict control by Iran signals ongoing tensions and uncertainty in the region, with significant implications for global oil markets and maritime security [1].

CONCLUSION

Iran’s decision to reimpose strict control over the Strait of Hormuz, in response to the ongoing U.S. naval blockade, has heightened uncertainty in a vital global oil corridor. The situation has already triggered sharp declines in oil prices and underscores the fragile state of U.S.-Iran relations. Market participants are likely to remain cautious until there is clarity on navigation freedom and the status of the blockade.

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