Key TakeawaysPetroleum markets recovered Thursday following Wednesday’s dramatic 5.6% plungePresident Trump indicated negotiations with Iran are entering final phase while cautioning about possible military strikesTehran established a new “Persian Gulf Strait Authority” to regulate Hormuz shippingAmerican crude stockpiles declined by 7.9 million barrels—almost three times analyst projectionsComplete restoration of Hormuz oil transit anticipated no sooner than late 2027Petroleum markets rebounded Thursday after experiencing significant losses during the previous session, with traders navigating contradictory messages emerging from US-Iran diplomatic discussions.Brent crude approached $106 per barrel following Wednesday’s 5.6% decline. West Texas Intermediate traded above the $99 mark. These fluctuations came amid a flurry of divergent communications from officials in both Washington and Tehran.Brent Crude Oil Last Day Financ (BZ=F)President Trump informed journalists that diplomatic efforts with Iran have reached their “final stages.” However, he simultaneously cautioned that military intervention remains an option should negotiations collapse, characterizing the current circumstances as “right on the borderline.”The President mentioned he could hold off “a few days” before implementing any additional measures.Tehran’s Response and Hormuz DevelopmentsIranian officials stated they are examining the most recent American draft proposal responding to Tehran’s comprehensive 14-point peace framework. According to semi-official Iranian news outlets, no official response has been issued.US reportedly submitted a draft of a new agreement to Iran via Pakistan, Al Arabiya reports. Iran is still reviewing the text and has not submitted a response yet. Work is reportedly underway on a framework for a temporary US-Iran agreement.— Wall St Engine (@wallstengine) May 21, 2026Tehran additionally cautioned that any fresh American or Israeli military operations would provoke counterattacks extending beyond Middle Eastern borders.Iran inaugurated a new “Persian Gulf Strait Authority” this week designed to regulate maritime traffic flowing through the Strait of Hormuz. The nation had earlier announced intentions to implement toll charges on vessels navigating the channel.The strategic waterway continues operating at minimal capacity. Although two Chinese oil tankers successfully navigated through Wednesday, overall traffic remains substantially below pre-conflict volumes.The Strait of Hormuz facilitates approximately 20% of worldwide petroleum supply. Sultan Al Jaber, CEO of Abu Dhabi National Oil, stated Wednesday that even with immediate conflict resolution, Middle Eastern oil distribution wouldn’t achieve complete normalization until deep into 2027. He characterized the blockage as the most catastrophic supply interruption ever documented.American Stockpile Reduction Intensifies Market DynamicsFresh statistics published Wednesday revealed a substantial reduction in American crude reserves. Inventories decreased by 7.9 million barrels during the week concluding May 15, significantly surpassing the anticipated 2.9 million barrel reduction.The substantial drawdown resulted from robust American petroleum exports as Washington intensified crude shipments to nations seeking alternatives to Middle Eastern supplies.Gasoline reserves declined 1.5 million barrels, falling short of the projected 2.1 million barrel decrease. The smaller reduction sparked concerns regarding weakening fuel consumption as pump prices escalate.Goldman Sachs reported that worldwide inventories of crude oil and refined products are depleting at unprecedented rates this month.Rabobank analysts emphasized that even a diplomatic breakthrough wouldn’t provide instant market relief. “It requires up to 55 days for oil from the Persian Gulf to reach its final destination,” explained Joe DeLaura, Rabobank’s global energy strategist.Oil prices remain elevated more than 40% compared to levels when hostilities commenced at February’s conclusion.Three massive oil tankers recently attempted Hormuz strait crossings, representing the latest indication of marginally increasing traffic. Iranian authorities claimed 26 vessels passed within a 24-hour period, though this number exceeds figures reflected in independent ship-tracking systems.The post Oil Markets Surge as Trump Issues Iran Ultimatum Amid Inventory Decline appeared first on Blockonomi.