Corn, soybean and wheat markets moved sharply following the release of USDA's June WASDE report on June 11, 2026, as traders reacted to updated supply-and-demand forecasts. The report showed larger-than-expected corn inventories, weaker soybean export prospects and historically low winter wheat production forecasts. The developments matter because they directly affect farm profitability, grain marketing decisions and revenue expectations across the U.S. agricultural sector.

Most grain futures closed lower Thursday as investors interpreted the report as generally bearish for near-term prices. While no major surprises emerged, USDA's data reinforced the view that supplies remain adequate despite recent market volatility.

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Corn Bears Regain Control

Corn futures fell after USDA increased projected 2025/26 ending stocks to 2.145 billion bushels, a seven-year high and above market expectations. Traders viewed the larger inventory estimate as evidence that supply remains plentiful despite strong export demand.

September corn futures declined 7.75 cents to $4.20 per bushel, while December futures dropped 7.25 cents to $4.3950. Export demand remained solid, with Mexico, Spain, South Korea, Japan and Colombia leading purchases.

Market participants are now focusing on USDA's June 30 acreage report, which could become the next major catalyst for corn prices during the summer growing season.

Soybeans Face Export Challenges Despite Stable Stocks

Soybean futures also moved lower after USDA reduced its export outlook for the second consecutive month. The agency cut current marketing-year soybean exports by 20 million bushels, lowering the forecast to 1.51 billion bushels, which would represent the lowest level in 13 years if realized.

July soybean futures fell 8 cents to $11.15 per bushel, while August contracts lost 7.25 cents. Export shipments were 30% below the previous four-week average, reflecting slower international demand. Egypt, Japan, Mexico, China and Indonesia ranked among the largest buyers.

The combination of lower export expectations and ample supplies reinforced concerns that soybean prices may struggle to generate meaningful upside momentum in the near term.

Wheat Supply Tightens but Harvest Pressure Limits Gains

The wheat market presented a different story. USDA reduced its forecast for 2026/27 winter wheat production by 18 million bushels, lowering expected output to 1.03 billion bushels. If achieved, production would fall nearly 27% from the previous year and reach its lowest level since 1965.

Despite the tighter production outlook, wheat futures failed to rally significantly as harvest pressure continued to weigh on prices. September Chicago wheat futures slipped slightly, while Kansas City wheat futures posted modest gains.

Export demand provided one positive signal. New-crop wheat sales reached 24.5 million bushels, exceeding trade expectations and suggesting international buyers remain active despite ongoing market uncertainty.

Weather and Macroeconomic Factors Add Pressure

Beyond USDA data, traders continued monitoring weather forecasts across the Corn Belt. NOAA projections call for widespread rainfall across much of the Midwest and Plains, helping maintain favorable crop conditions and reinforcing expectations for strong yields.

At the same time, broader financial markets reacted positively after geopolitical tensions in the Middle East eased. Energy prices declined sharply, with Brent crude oil falling more than 2.5%, reducing inflation concerns but also limiting support for agricultural commodities.

For producers, the latest WASDE report underscores the challenging environment facing grain markets in 2026. Large corn inventories, weaker soybean export prospects and favorable crop-weather conditions continue to pressure commodity prices. Meanwhile, wheat's tighter supply outlook offers some support but has not yet translated into sustained price strength.