The night session closing on July 15 showed a clear divergence among domestic futures contracts. Cotton 2609 settled at 16,145 points, up 0.44%, and cotton yarn 2609 closed at 22,580 points, up 0.29%. However, chemical fiber products were broadly weaker: PTA 2609 fell 2.55% to 5,648 points, bottle-grade chips 2609 dropped 1.90% to 7,028 points, and staple fiber 2609 declined 1.79% to 7,242 points.
This divergence reflects two distinct industrial logics. The rise in cotton products is more about supply-side stories: the expected reduction in Xinjiang cotton planting area for the 2026/27 season, combined with weather disruptions in producing regions, has raised concerns about inventory levels before the new crop arrives. The decline in chemical fiber products, by contrast, points directly to weak demand.
Industrial Chain Divergence: Cotton Supported, Chemical Fiber Under Pressure
The synchronized decline of PTA and staple fiber follows a clear transmission path in the industrial chain. As a polyester raw material, PTA prices are directly influenced by crude oil and PX trends. Recently, international oil prices have shifted lower, and PX prices have followed suit, significantly weakening cost support for PTA. Meanwhile, downstream polyester operating rates remain at low levels, with polyester filament and staple fiber sales rates hovering between 50% and 60%, and factory inventories continuing to accumulate.
The nearly 1.8% decline in staple fiber is linked to PTA. Price promotions by staple fiber producers have had limited effect, as downstream weaving and texturing enterprises show weak purchasing willingness, adopting a buy-as-needed strategy. The nearly 2% drop in bottle-grade chips also reflects seasonal demand decline from the soft drink packaging sector.
The rise in cotton products is more expectation-driven. Cotton 2609 has found support above the 16,000-point level, with open interest rising steadily, indicating that long capital is still betting on a tightening supply-demand balance in the new season. Cotton yarn's gains are slightly weaker than cotton, suggesting that profit margins in the spinning sector have not improved significantly, and mills have limited tolerance for high-priced raw materials.
Market Signal: De-stocking Cycle May Have Begun
Historically, the synchronized sharp decline of PTA and staple fiber often signals the start of an active de-stocking phase in the polyester chain. Current polyester factory finished product inventories are generally above 20 days, higher than the same period in previous years, while terminal weaving orders show no clear recovery. This means the downward pressure on upstream prices may not yet be fully released.
For the cotton market, the rise in cotton and cotton yarn requires support from substantive downstream demand. Current textile mill operating rates are around 70%, but new orders are mostly short-term and small-lot, lacking sustainability. If the weakness in chemical fiber products spreads to the cotton sector, cotton prices may face correction risks.
