Trend Observation In the autumn/winter season of 2026, the chemical fiber raw material market is undergoing a profound restructuring of price transmission. As the source of the chemical fiber industry chain, crude oil price fluctuations transmit through the chain from oil to PX, PTA, polyester, and finally to fabrics, but the efficiency of this transmission has significantly declined. International oil prices are showing wide fluctuations amid the tug-of-war between geopolitics and global economic slowdown, with Brent crude averaging between $70-85 per barrel, down about 8% year-on-year. However, the weaker oil prices have not lowered polyester costs as expected; instead, the price transmission has become 'blunted' due to capacity games in intermediate links.
PTA, the core raw material for polyester, continues its capacity expansion in 2026, with new domestic capacity of about 4.5 million tons, pushing total capacity close to 85 million tons, while capacity utilization may fall below 75%. This oversupply should theoretically depress PTA prices, but in reality, PTA prices are more constrained by squeezed processing fees and cost support from PX, forming a pattern of 'a ceiling above and a floor below'. Polyester filament and staple fiber face weak downstream demand, with autumn/winter orders declining about 5% year-on-year, and weaving mill operating rates hovering around 60%. This makes it difficult for polyester manufacturers to pass on cost pressures downstream, continuously squeezing their profit margins.
Notably, in 2026, the pace of price transmission has accelerated due to improved information transparency, allowing upstream and downstream enterprises to sense price changes faster. However, the 'amplitude' of transmission has weakened due to differences in supply-demand elasticity. For example, a 10% drop in oil prices may lead to only a 5% drop in PTA prices and only a 2% drop in polyester prices. This attenuation effect stems from overcapacity and imbalanced bargaining power in intermediate links, signaling that the traditional cost-pricing logic is becoming obsolete.
Industry Impact The shift in price transmission mechanism is reshaping the profit distribution pattern across the chemical fiber industry chain. Upstream PX and PTA segments, burdened by overcapacity, are trapped in a 'more output, less profit' dilemma, with processing fees compressed to historical lows, and some small and medium-sized PTA plants face long-term shutdown risks. In the polyester segment, despite dual pressure from costs and demand, leading enterprises can maintain slim profits through scale effects and integrated layouts, further enhancing industry concentration. Conversely, downstream weaving and garment enterprises, benefiting from milder raw material price fluctuations, gain a relatively stable procurement environment, but price competition for orders intensifies.
For designers, raw material price volatility directly impacts fabric selection and cost accounting. Functional polyester fabrics for autumn/winter, such as waterproof, warm, and recycled polyester, are highly sensitive to raw material costs, but brand premiums can partially offset cost pressures. However, fast fashion brands are price-sensitive, requiring designers to balance innovation and cost. For instance, using recycled polyester (rPET) costs more than virgin polyester, but the environmental premium and policy support can compensate for the price difference, making it a differentiating selling point for AW 2026.
Foreign trade enterprises face dual volatility from exchange rates and raw material prices. In 2026, the RMB exchange rate is expected to fluctuate between 6.8 and 7.1, with export orders mostly denominated in USD. The profit space from lower raw material costs may be eroded by currency appreciation. Additionally, overseas clients demand greater price transparency and prefer quarterly pricing over annual locking, requiring foreign trade enterprises to possess more flexible risk management capabilities.