{"id":66479,"date":"2026-08-13T13:38:15","date_gmt":"2026-08-13T17:38:15","guid":{"rendered":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/oil-prices-retreat-as-massive-u-s-inventory-build-offsets-middle-east-supply-risks\/66479\/"},"modified":"2026-08-13T13:38:15","modified_gmt":"2026-08-13T17:38:15","slug":"oil-prices-retreat-as-massive-u-s-inventory-build-offsets-middle-east-supply-risks","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/oil-prices-retreat-as-massive-u-s-inventory-build-offsets-middle-east-supply-risks\/66479\/","title":{"rendered":"Oil Prices Retreat as Massive U.S. Inventory Build Offsets Middle East Supply Risks"},"content":{"rendered":"<h2>Key Takeaways<\/h2>\n<ul>\n<li><strong>U.S. crude inventories surged by 17.4 million barrels<\/strong> last week, the largest weekly increase since January 2023, far exceeding analyst expectations of a 1.4 million-barrel draw.<\/li>\n<li><strong><a href=\"https:\/\/stockmarketwatch.com\/energy\/crude-oil\" data-internallinksmanager029f6b8e52c=\"12\" title=\"Crude oil\">Oil prices<\/a> fell approximately 2%<\/strong>, with <strong>WTI<\/strong> dropping below <strong>$82 per barrel<\/strong> and <strong>Brent<\/strong> sliding to around <strong>$87.67<\/strong>, snapping a five-session rally.<\/li>\n<li><strong>The IEA and OPEC slashed 2026 demand forecasts<\/strong>, with the IEA now projecting a global demand contraction of <strong>1.6 million barrels per day<\/strong> due to high prices and economic headwinds.<\/li>\n<li><strong>U.S.-Iran negotiations remain deadlocked<\/strong> over the Strait of Hormuz, maintaining a floor under prices despite near-term bearish inventory data.<\/li>\n<li><strong>Saudi Arabian forces reportedly shelled northern Yemen<\/strong>, according to IRIB, marking a fresh escalation in regional tensions that could impact energy infrastructure.<\/li>\n<\/ul>\n<h2>Market Reaction to Massive Inventory Build<\/h2>\n<p>Oil prices faced significant downward pressure on Thursday following a surprise report from the <strong>U.S. Energy Information Administration (EIA)<\/strong>. Commercial crude stocks jumped by <strong>17.4 million barrels<\/strong> to a total of <strong>424.4 million barrels<\/strong> for the week ending August 7. This massive build, the largest in over three years, was primarily driven by a slump in exports and a rise in net imports, which caught many traders off guard.<\/p>\n<p>In response, <strong>West Texas Intermediate (WTI)<\/strong> futures fell 1.2% to <strong>$82.31<\/strong>, while <strong>Brent<\/strong> crude dropped 1% to <strong>$88.07<\/strong>. The pullback comes after a strong five-day rally, as investors took profits and shifted focus from geopolitical supply risks to softening demand signals. <em>Market analysts noted that while the inventory build was substantial, it may reflect a one-off adjustment in trade flows rather than a permanent shift in market fundamentals.<\/em><\/p>\n<h2>Demand Forecasts Slashed Amid Economic Concerns<\/h2>\n<p>The <strong>International Energy Agency (IEA)<\/strong> and <strong>OPEC<\/strong> both issued downward revisions to their global oil demand outlooks this week. The IEA warned that higher prices are beginning to &quot;weaken demand,&quot; forecasting a contraction of <strong>1.6 million barrels per day<\/strong> for 2026. This is a significant shift from their previous estimate of a 1 million-barrel decline, reflecting the impact of the ongoing conflict and restricted fuel supplies.<\/p>\n<p>Despite the weakening demand, the IEA emphasized that the underlying market remains tight. The agency estimates a <strong>global oil shortfall of 1.8 million barrels a day<\/strong> for the current quarter. This deficit is largely attributed to <strong>8.3 million barrels per day<\/strong> of Gulf production remaining offline due to the blockade of the <strong>Strait of Hormuz<\/strong> and continued attacks on energy infrastructure.<\/p>\n<h2>Geopolitical Tensions and Hormuz Deadlock<\/h2>\n<p>Geopolitical risk remains a critical factor for oil volatility as talks between the <strong>United States<\/strong> and <strong>Iran<\/strong> remain at an impasse. A senior Iranian source confirmed that no progress has been made on reviving an interim deal to reopen the <strong>Strait of Hormuz<\/strong>. While <strong>U.S. Energy Secretary Chris Wright<\/strong> stated that total regional oil flows are averaging <strong>15 million barrels a day<\/strong>\u2014aided by alternative routes and pipelines\u2014industry trackers like <strong>Kpler<\/strong> suggest actual sea-borne flows remain much lower.<\/p>\n<p>Adding to the regional instability, reports from <strong>IRIB<\/strong> indicate that the <strong>Saudi Arabian Army<\/strong> has shelled areas in northern Yemen. This development follows a series of drone and missile strikes by Houthi forces against Saudi military sites and shipping. <em>Traders remain wary that any further escalation in the Yemen conflict or a total breakdown in Hormuz negotiations could trigger another sharp rally in crude prices.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways U.S. crude inventories surged by 17.4 million barrels last week, the largest weekly increase since January 2023, far 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