Hot weather, uncertain crop yields, and steady export demand from China drove sharp movements across U.S. grain and oilseed markets.
Grain markets experienced a volatile week ending July 31, 2026, as changing U.S. weather forecasts, declining crop conditions, geopolitical tensions, and renewed Chinese buying activity influenced trading, according to the latest Farms.com Risk Management Ag Commodity Corner+ Podcast, titled "U.S. Crop Ratings Fall + Drama with China but Still Buying U.S. Soybeans & Corn?"
During the podcast, Moe Agostino, Chief Commodity Strategist, reviewed the major factors impacting grain and oilseed markets. He noted that while futures retreated toward the end of the week, much of the selling was driven by month-end fund activity rather than a shift in market fundamentals.
Improved rainfall forecasts also pressured prices after an unusually hot and dry July across key U.S. growing regions.
Agostino highlighted a larger-than-expected decline in U.S. corn and soybean crop ratings, particularly across Texas, Nebraska, Kansas, North Dakota, and South Dakota.
Despite the recent rainfall, Agostino said concerns remain over soil moisture levels and heat stress, warning that additional precipitation will be needed to stabilize crop prospects during the remainder of the growing season.
Global developments also contributed to market volatility. Escalating tensions between Ukraine and Russia disrupted Black Sea export routes, supporting wheat prices earlier in the week before profit-taking weighed on the market.
At the same time, ongoing trade and geopolitical issues involving China created uncertainty, although China continued purchasing U.S. agricultural commodities.
Agostino noted, China reportedly purchased eight cargoes of U.S. soybeans from the Gulf and six cargoes from the Pacific Northwest following the market close, signaling continued demand despite rising trade tensions. Strong export activity and expectations for additional Chinese corn purchases were viewed as supportive for grain markets.
The podcast also discussed technical market levels, with analysts expecting corn and soybean futures to recover if weather concerns persist, and export demand remains strong.
Agostino added that current crop yield expectations may still be too optimistic and suggested the U.S. Department of Agriculture could revise production estimates lower if crop stress continues through the remainder of the season.
The episode concluded with a review of fund positioning, noting that investment funds remain heavily invested in grain and oilseed markets despite recent profit-taking, reflecting continued confidence in long-term market fundamentals.
Watch the U.S. Crop Ratings Fall + Drama with China but Still Buying U.S. Soybeans & Corn? podcast below.