Cotton futures rebounded on July 6, with the ICE December contract gaining 1.18 cents to settle at 78.30 cents per pound, a 1.53% increase. This rally was not driven by improved demand fundamentals but by a combination of adverse weather expectations in key US growing regions and spillover effects from a strong rally in CBOT grains.
Weather Becomes Core Short-Term Pricing Factor
The biggest variable currently driving cotton prices is the deteriorating weather outlook in the US South and Southwest. The USDA's weekly crop progress report for the week ending July 5 showed the cotton good-to-excellent rating fell from 48% to 46%, significantly below last year's 52%. This means over half of cotton fields are not in ideal condition, and if high temperatures and drought persist, yield expectations face downside risk.
Meanwhile, squaring and boll-setting rates are close to five-year averages, but the weather window is narrowing. Mid-to-late July is critical for cotton yield formation and the most weather-sensitive period. Last week, a 'heat dome' high-pressure system spread from the Midwest to the East, trapping hot air and causing record temperatures. If this extreme weather extends to key cotton areas like Texas and the Southeast, it could directly threaten boll development.
India Monsoon Weakness Adds Global Supply Concerns
India, the world's second-largest cotton producer, also faces weather risks. The India Meteorological Department reported June rainfall was the fifth driest since 1901. July monsoon rains are expected to remain below average, with the monsoon progressing 'intermittently and slowly'. This directly impacts India's autumn cotton planting area and early growth.
Supply concerns are not unfounded. If both the US and India suffer production cuts, global ending stocks for the 2026/27 season could tighten further. However, these expectations remain in the 'weather-driven' stage, and actual output data will only be clear at harvest. The futures market may have already priced in some risk.
Grain Market Linkage Cannot Be Ignored
On July 6, CBOT soybean and corn futures both rose over 3%, driven by Midwest crop weather concerns and improved demand expectations. Cotton competes with grains for acreage, so its prices often show a positive correlation with corn and soybeans. When grain prices rise, farmers tend to plant more grains, reducing cotton acreage expectations and pushing cotton prices up. This cross-commodity linkage is especially strong during planting and growing seasons.
However, caution is needed. Part of the grain rally comes from speculative capital trading on weather themes, not entirely based on actual supply-demand gaps. If weather expectations improve, long liquidation could drag cotton prices down simultaneously.
Macro vs. Supply-Demand, Market Divergence Widens
Compared to the hot supply side, demand signals remain cold. The Cotlook A Index was flat at 85.80 cents/lb on July 6, indicating cautious buying by textile mills. Oil prices eased after Iran tensions calmed, and OPEC+ production increases are expected to suppress energy costs, indirectly reducing the price advantage of synthetic fiber alternatives, providing limited support to cotton.
The US dollar index edged up, putting slight pressure on dollar-denominated cotton. US stocks rallied on AI concept stocks, but whether improved risk appetite in capital markets will transmit to commodities remains to be seen. Overall, cotton prices are in a tug-of-war between weather premium and weak demand, with no solid foundation for a unilateral rally.