On June 5, international crude oil markets experienced a significant correction. The front-month WTI contract on NYMEX closed at $90.54 per barrel, down 2.69%, while Brent crude settled at $93.09, down 2.04%. During the session, WTI briefly dipped below $91, and Brent briefly lost the $92 mark. This marks the largest single-day drop in nearly a month, shifting market sentiment toward caution.
Cost Support Weakens
For the textile industry, crude oil prices are never an isolated indicator. They form the starting point of the polyester chain—from naphtha to PX, then to PTA and MEG, finally reaching polyester filament and staple fiber. The June 5 oil price drop signals that the previously high cost support for chemical fibers is loosening. Industry public data shows WTI crude fell from the $93 range to $90.54, a drop of over 3%, while Brent fell from above $93 to around $92. Such magnitude of single-day movement is uncommon in recent oil trading.
More notably, this decline was not a one-time event. Multiple intraday timestamps showed continuous declines: from a 1% drop in the afternoon to over 2% in the evening, finally expanding to nearly 3% at close. This indicates sustained bearish momentum and a shift in market expectations for short-term supply-demand balance. Textile chemical fiber enterprises need to be wary: if this trend continues, the pricing logic for PTA and polyester products may face restructuring.
Transmission Lags and Elasticity
The transmission from oil prices to chemical fiber products is not instantaneous, typically with a one to two-week lag. However, market expectations react first. On the first trading day after the oil price crash, the polyester raw material market showed signs of weakening. The PTA futures contract fell over 1.5%, and ethylene glycol also weakened. Although polyester filament factory quotes remained stable temporarily, the room for concessions in the trading sector has begun to expand.
From an industrial cluster perspective, purchasing sentiment in Shengze, Changxing, and other polyester clusters has notably cooled. Some weaving enterprises have chosen to delay replenishment, waiting for clearer cost signals. This wait-and-see attitude appears in every oil price anomaly in the chemical fiber market, but the magnitude and speed of this decline may prompt more companies to reassess safety inventory levels.
For textile mills, the oil price drop means a potential procurement window is opening, but it also carries risks—if oil continues to fall, current prices may not be the bottom. Historical experience shows strong support for WTI around $90, but if this level breaks, downside could expand further.
Foreign Trade and Procurement Dynamics
For foreign trade enterprises, the impact of the oil price drop is more complex. On one hand, lower chemical fiber raw material costs benefit export competitiveness; on the other hand, if global growth expectations are downgraded due to weaker oil, end demand may be suppressed. The current WTI-Brent spread has narrowed to within $2.5, reflecting reduced concern over supply disruptions.
From export data, China's textile and apparel exports grew about 3.2% year-on-year from January to May 2026, but the pace has slowed from Q1. If the oil price drop leads to lower shipping costs, it would be an additional positive for exporters. However, exchange rate fluctuations and overseas inventory cycles remain more important medium-term variables than oil prices.