Asian Ethylene: Prices hold steady despite rising naphtha / Formosa seeks November ethylene at Mailiao / Butene-1 premium falls $30/mt on weak demand

Oct 12, 2026

Asian ethylene prices held steady day over day Oct. 9, despite a rise in naphtha and a wide gap between buying and selling ideas. CFR Northeast Asia ethylene unchanged at $1,150/mt, in line with tradable indications for 3,500 mt cargoes arriving from late October to mid- November. Selling indications were heard between $1,170-$1,200/mt, with the lower end for main ports and the higher end for inland sea ports. Spot selling levels from South Korea were heard as high as $1,300/mt CFR basis, however, little firm buying interest was heard. The naphtha marker rose from $972.125/mt at the previous close to $976.375/mt in the morning and $978.375/mt in the afternoon Oct. 9. Higher feedstock costs did not narrow the gap between ethylene buyers and sellers, leaving spot trade thin. In tender...

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