When weather becomes the biggest variable in commodity markets, every link in the cotton supply chain must recalibrate expectations. On August 24, ICE December cotton settled at 88.83 cents/lb, near a two-year high hit last week. The rally is not driven by demand recovery but by weather alerts from the US to India. For textile mills, this El Nino-driven volatility is rewriting the cost structure for the second half of the year.
The Logic of the Weather Premium
Extreme weather has moved from expectation to reality. USDA's latest crop report shows US cotton condition ratings at only 37% good-to-excellent as of August 23, down from 38% the prior week and far below 54% a year ago. The boll-setting rate reached 81%, but the boll-opening rate of 20% lags the five-year average, leaving the crop exposed to heat and drought during the critical maturation phase. Meanwhile, Indian meteorological officials have warned of the weakest monsoon since 2009, threatening yields in the world's second-largest producer.
Weather factors are not isolated. El Nino, assessed as one of the strongest in recent years, has spilled over to other agricultural markets: Chicago corn futures hit a three-year high, and wheat strengthened due to Black Sea export disruptions. This cross-commodity rally reinforces expectations of tighter global agricultural supply, prompting funds to maintain long positions in cotton.
Funds and Inventories Confirm the Trend
Behind the high prices is clear fund support. CFTC data show speculative net longs in ICE cotton increased by 4,208 contracts to 85,566 in the week ending last Friday, indicating rising bullish sentiment. Meanwhile, ICE deliverable cotton stocks fell to 68,894 bales, down 1,749 from the previous day, tightening near-month supply elasticity.
However, fund optimism contrasts with industry caution. The Cotlook A index was 98.20 cents/lb, at a discount to futures, suggesting physical trade has not fully kept pace with the futures rally. This basis structure implies that the weather premium is already substantial. Any marginal improvement in weather expectations could trigger a rapid correction. For mills relying on imported cotton, the risk of chasing prices is accumulating.
Transmission and Response Across the Chain
High cotton prices have structurally different impacts downstream. Large textile firms can maintain margins with cheaper raw material inventories, but small and medium mills face immediate cost spikes. Under the backdrop of fluctuating domestic-import price spreads, every move in the international market transmits through import costs to yarn prices, affecting order competitiveness.
Historically, weather premiums in El Nino years tend to fluctuate sharply around crop setting. The current slow progress of US cotton and the uncertain Indian monsoon mean the supply-sensitive period is not over. On the other hand, global cotton demand has not strengthened in tandem; high prices may suppress restocking intentions, creating negative feedback on the demand side. This interplay of bullish and bearish factors ensures high volatility in the short term.