US Ethylene Oxide Prices Fall 4.6% in June, Modest Recovery Expected in July

The US ethylene oxide market weakened during June 2026 as comfortable domestic supply and softer downstream demand continued to pressure contract prices. High operating rates at integrated ethane crackers and ethylene oxide units following spring maintenance ensured ample product availability, while demand from polyester feedstocks, surfactants, specialty chemicals, and sterilization applications remained subdued. Elevated inventories and limited export opportunities encouraged buyers to adopt conservative, just-in-time purchasing strategies, reinforcing bearish market sentiment throughout the month. Although feedstock ethane remained cost-competitive, comfortable supply conditions outweighed any production cost support. Market attention has now shifted toward July, when a modest recovery is anticipated as higher ethylene costs begin filtering into production economics and some downstream buyers return to the market after June's cautious procurement cycle. However, abundant inventories, restrained export demand, and balanced supply are expected to cap any significant upside, leaving the near-term outlook for ethylene oxide cautiously optimistic but largely dependent on feedstock movements and unexpected supply disruptions.