{"id":64720,"date":"2026-07-13T14:08:18","date_gmt":"2026-07-13T18:08:18","guid":{"rendered":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/us-reinstates-naval-blockade-of-iran-oil-prices-surge-5\/64720\/"},"modified":"2026-07-13T14:08:18","modified_gmt":"2026-07-13T18:08:18","slug":"us-reinstates-naval-blockade-of-iran-oil-prices-surge-5","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/us-reinstates-naval-blockade-of-iran-oil-prices-surge-5\/64720\/","title":{"rendered":"US Reinstates Naval Blockade of Iran; Oil Prices Surge 5%"},"content":{"rendered":"<h2>Key Takeaways<\/h2>\n<ul>\n<li><strong><a href=\"https:\/\/stockmarketwatch.com\/energy\/crude-oil\" data-internallinksmanager029f6b8e52c=\"12\" title=\"Crude oil\">Oil prices<\/a> jumped over 5%<\/strong> on Monday, with <strong>Brent crude<\/strong> rising to <strong>$80.07<\/strong> and <strong>WTI<\/strong> approaching <strong>$75.15<\/strong> per barrel following the announcement.<\/li>\n<li><strong>President Donald Trump<\/strong> officially reinstated a total naval blockade of all Iranian ports and coastal areas, effective <strong>2000 GMT on July 14, 2026<\/strong>.<\/li>\n<li>The U.S. plans to impose a <strong>20% &quot;reimbursement fee&quot;<\/strong> on all commercial cargo transiting the <strong>Strait of Hormuz<\/strong> to cover maritime security costs.<\/li>\n<li>The <strong>Joint Maritime Information Center (JMIC)<\/strong> confirmed the blockade applies to all vessel traffic regardless of flag, effectively ending a fragile June ceasefire.<\/li>\n<\/ul>\n<h2>U.S. Military Escalation and Blockade Reinstatement<\/h2>\n<p>The <strong>U.S. Navy-led Joint Maritime Information Center<\/strong> announced on Monday that a full naval blockade of all Iranian ports will be enforced starting tomorrow. This move, directed by <strong>President Donald Trump<\/strong>, follows a series of tit-for-tat military strikes in the <strong>Strait of Hormuz<\/strong> that have destabilized the region&#39;s shipping lanes. The blockade is intended to &quot;choke off&quot; Iranian oil revenues and prevent any vessels\u2014regardless of nationality\u2014from entering or leaving Iranian coastal areas.<\/p>\n<p><strong>President Trump<\/strong> declared on social media that the United States will now act as the <strong>&quot;Guardian of the Hormuz Strait.&quot;<\/strong> In a controversial policy shift, he announced that the U.S. will be reimbursed at a rate of <strong>20% on all cargo shipped<\/strong> through the waterway. This fee is described as a &quot;matter of fairness&quot; to cover the costs of providing security in the volatile region, though international bodies like the <strong>International Maritime Organization<\/strong> have already questioned its legal basis.<\/p>\n<h2>Market Reaction and Energy Impact<\/h2>\n<p>Global energy markets reacted sharply to the news, with <strong>Brent crude<\/strong> futures surging <strong>$4.06 (5.34%)<\/strong> to settle at <strong>$80.07<\/strong>. <strong>West Texas Intermediate (WTI)<\/strong> crude also saw significant gains, rising <strong>$3.74 (5.24%)<\/strong> to <strong>$75.15<\/strong>. Analysts at <strong>UBS<\/strong> (<a href=\"\/stock\/UBS\">UBS<\/a>) warned that the risk premium on oil is likely to remain elevated as long as inbound tanker traffic through the Strait\u2014which handles one-fifth of global oil and LNG supplies\u2014remains restricted.<\/p>\n<p>The blockade&#39;s reinstatement has reignited fears of a systemic collapse in the <strong>Gulf Cooperation Council (GCC)<\/strong> economic model. According to data from <strong>ICIS<\/strong>, oil inventories could reach &quot;absolute minimums&quot; if the Strait remains offline for an extended period. Major energy firms and exchange-traded funds, including the <strong>United States Oil Fund<\/strong> (<a href=\"\/stock\/USO\">USO<\/a>) and the <strong>Energy Select Sector SPDR Fund<\/strong> (<a href=\"\/stock\/XLE\">XLE<\/a>), are seeing increased volatility as traders price in the prospect of long-term supply disruptions.<\/p>\n<h2>Geopolitical Fallout and Military Activity<\/h2>\n<p>The <strong>U.S. Central Command (CENTCOM)<\/strong> reported completing a new wave of strikes against Iranian air-defense systems, coastal radar sites, and drone capabilities. These strikes were reportedly a response to Iranian Revolutionary Guard Corps (<strong>IRGC<\/strong>) attacks on commercial shipping and U.S. facilities in <strong>Bahrain<\/strong> and <strong>Kuwait<\/strong>. The <strong>IRGC<\/strong> has countered by threatening to &quot;strongly contest&quot; any U.S. attempt to intervene in the management of the Strait, which they claim is a violation of their sovereign rights.<\/p>\n<p>International reaction has been mixed, with many nations calling for a return to the negotiating table. While the U.S. administration maintains that the blockade is necessary for global security, the <strong>United Nations<\/strong> and various European allies have expressed concern over the legality of charging transit fees on international waterways. As the <strong>July 14<\/strong> deadline approaches, the maritime industry is bracing for a &quot;logistical nightmare&quot; that could see insurance coverage pulled for any vessels operating in the Persian Gulf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Oil prices jumped over 5% on Monday, with Brent crude rising to $80.07 and WTI approaching $75.15 per 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