Refiners Slow MTBE Purchases Amid Improved Blendstock Availability

Refiners Slow MTBE Purchases Amid Improved Blendstock Availability

William Shakespeare 19-May-2026

US MTBE prices at FOB Gulf Coast fell 3.2% in mid-May 2026 as crude oil corrected toward the EIA's projected $106/barrel May-June average on US-Iran diplomatic progress and Hormuz resumption expectations, while ethanol blending waivers reduced downstream MTBE procurement urgency. With disrupted Middle East production peaking at 10.8 mb/d in May before gradual restoration from June onward, prices are anticipated to remain modestly under downward pressure near term, stabilising into June as Hormuz traffic resumes. A sustained recovery is expected only in late Q3 2026 as global supply patterns progressively normalise.

Methyl Tert-Butyl Ether (MTBE) prices at FOB US Gulf Coast declined x.xx during mid-May xxxx, as the convergence of a meaningful crude oil correction driven by US-Iran diplomatic progress, improving Hormuz transit expectations, and demand resistance from gasoline blenders at extraordinary elevated price levels produced the first sustained weekly pullback in US MTBE pricing since the Middle East war began on February xx, xxxx.

The primary catalyst for the week&#xx;s correction was the significant moderation in crude oil prices which declined by x.xx during the week. The US EIA&#xx;s May xxxx Short-Term Energy Outlook assessed Brent crude at approximately $xxx per barrel for May and June xxxx, projecting that once Strait of Hormuz traffic gradually begins to resume in late May or early June, prices will begin to fall — decreasing to an average of $xx per barrel by Qx xxxx as global oil inventory withdrawals lessen....

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