Energy markets were the dominant macro driver throughout the week. Large swings in crude oil prices repeatedly shifted sentiment across agricultural markets by influencing freight costs, biodiesel margins and vegetable oil demand. When oil weakened it pressured veg-oil linked contracts and capped rallies, while rebounds in energy restored some support through biofuel demand expectations. This macro volatility created an unstable trading environment across the grain complex.

The USDA’s monthly WASDE report served as the central fundamental event of the week. U.S. balance sheets were left largely unchanged, with wheat stocks at 931 mbu, corn carryout at 2.127 bbu and soybean ending stocks at 350 mbu. However, global adjustments were more meaningful: world wheat stocks were reduced slightly while world corn stocks increased. Those changes offered modest structural support for wheat but limited upside momentum for corn.

Speculative fund positioning amplified the week’s price movements. Managed money added significantly to long positions across wheat, corn and soybeans, increasing market sensitivity to news and macro developments. This strong inflow of speculative capital provided upward momentum during rallies but also heightened the risk of sharp reversals if sentiment shifts.

South American harvest developments and logistics challenges created a mixed supply narrative. Brazil’s soybean harvest accelerated sharply during the week, increasing available supplies and intermittently pressuring soybean futures. At the same time, concerns about diesel availability and rising fuel costs during harvest created logistical risks that could tighten effective supply flows and lend support to nearby soy and corn markets.

Export demand remained constructive across the complex but varied by crop. Corn shipments continued at a strong pace with Mexico remaining a key buyer, supporting U.S. demand prospects. Wheat exports also saw solid activity with several international tenders contributing to global demand. Soybean exports remained somewhat behind last year’s pace, but steady shipments to China and other destinations helped maintain baseline demand support.

Weather developments also played a role in shaping market sentiment. U.S. forecasts showed a mixed pattern with heavy precipitation expected in northern regions and drier conditions further south, creating uncertainty for early planting and winter wheat conditions. Meanwhile, dryness concerns in parts of the Black Sea region added underlying support for wheat markets by raising questions about production prospects.

Biofuel policy discussions and vegetable oil market dynamics provided additional support to oilseed markets. Debate around renewable fuel policies and biodiesel blending levels strengthened expectations for soybean oil demand. This policy backdrop helped support crush margins and reinforced underlying demand narratives for soybeans despite volatility in the broader energy market.

Input costs and fertilizer market developments added a layer of longer-term risk for crop production economics. Legal actions and policy discussions around fertilizer pricing kept attention on farm input costs. Elevated cost uncertainty can influence planting decisions and yield expectations, providing modest structural support for grain markets, particularly nitrogen-intensive crops like corn.

Wheat — May ’26 CBOT: Wheat finished the week stronger after recovering from midweek weakness. Prices were supported by the slight reduction in global wheat stocks, active export demand and dryness concerns in key producing regions. Fund buying and short covering added momentum late in the week, giving wheat a constructive tone heading into the next trading period.

Corn — May ’26 CBOT: Corn ended the week modestly higher as strong export shipments and aggressive speculative buying offset the bearish influence of higher world corn stocks in the WASDE report. Ethanol demand expectations and logistics developments remain key drivers for short-term price direction.

Soybeans — May ’26 CBOT: Soybeans traded with two-sided volatility but remained resilient overall. Strong crush demand, supportive biofuel policy discussions and increased speculative buying provided support. However, rapid Brazilian harvest progress and improving global supplies periodically pressured prices, leaving the market with a cautiously supportive bias moving forward.