During the night trading session, the MEG main contract extended its decline to 2%, touching 5,301 yuan per tonne, while PX futures bucked the trend with a gain of over 3%. For two core raw materials in the polyester chain, this divergence is more telling than the price drop itself — it suggests the market is structurally repricing the polyester cost curve.
Market Signals and Industry Context
The MEG 2611 contract weakened steadily after the night session opened, with losses widening from 1.5% intraday to 2% by late evening. According to industry data, the 5,300 yuan per tonne level is a key psychological support for the front-month contract. A decisive break below it could trigger stop-loss selling by traders, amplifying short-term volatility.
The strength in PX offers another lens. Although both PX and MEG sit upstream in the polyester chain, their supply-demand fundamentals differ markedly. PX is supported by blending demand and the Asian plant maintenance season, while MEG faces elevated port inventories and continuous capacity additions. This divergence directly alters the raw material cost structure for polyester mills — the procurement ratio between PTA and MEG may need to be reassessed.
From an industrial belt perspective, polyester plants in Jiangsu and Zhejiang are most sensitive to raw material prices. Texturing and weaving enterprises in clusters such as Keqiao and Shengze typically wait one to two trading days after a futures slump, anticipating spot quotes to follow before restocking in bulk. This behaviour further delays any recovery in MEG spot trading.
Upstream-Downstream Transmission and Profit Redistribution
The impact of weaker MEG prices is not uniformly positive. For polyester mills, lower raw material costs theoretically ease cash flow pressure, but the actual benefit depends on whether product prices hold steady. If polyester filament and staple fibre spot quotes follow the raw material decline, the cost dividend will be eroded by downstream bargaining, leaving limited room for margin improvement.
More importantly, profits are being redistributed across the chain. Margin compression in the MEG segment could force some coal-based producers to cut operating rates, particularly inland capacities sitting higher on the cost curve. If this marginal supply contraction becomes a trend, it would provide some support for forward contracts, though it is unlikely to reverse the weakness in the front month in the near term.
For traders, changes in the basis structure matter more than absolute prices. If futures continue to fall faster than spot, a strengthening basis will attract cash-and-carry arbitrage flows, partially cushioning the spot decline. This means the actual spot drop may be smaller than what futures prices suggest — buyers should not simply use the futures price as a benchmark for spot negotiations.
On the export front, raw material price declines typically take two to three weeks to feed through to export quotations. For polyester fabrics, if both MEG and PTA weaken simultaneously, exporters may gain some cost headroom in new order pricing. However, overseas buyers also track raw material trends and will use them to push for lower prices. Whether this translates into improved export margins depends on quoting strategy and order-locking cycles.