Grain Market Report: Soybean Prices Slide as Corn Acreage Shrinks

This week's grain market report tells a story of two crops moving in opposite directions. Soybean futures are trading near four month lows while corn holds firmer, U.S. farmers are planting more soybean acres and fewer corn acres than last year, and Brazil is shipping soybeans at a record pace even as its corn exports build more slowly. For anyone pricing, hedging, or sourcing physical grain, these are not isolated data points. They are the setup for the next several months of the crop cycle.

Grain Market Report: U.S. Prices Move in Opposite Directions

USDA's latest Agricultural Prices report puts the May 2026 corn price at $4.48 per bushel, up 17 cents from April but still 16 cents below May 2025. Soybeans told a different story: $11.60 per bushel, up 40 cents on the month and a full $1.20 above a year ago. The oilseed price index rose 10 percent year over year, the strongest gain of any crop category, while feed grains remained down 3.6 percent.

That divergence matters beyond the cash market. Soybean oil demand tied to biodiesel and renewable diesel mandates has become a structural driver of the soybean complex, a dynamic we cover in depth in our analysis of how soy fuel demand is reshaping oilseed markets. Corn, meanwhile, is tied more closely to feed and ethanol demand, where the competitive dynamics with sugarcane based ethanol out of Brazil are worth watching, as we outlined in our Brazil sugarcane ethanol versus U.S. corn ethanol comparison.

The 2026 Acreage Shift Behind This Grain Market Report

USDA's June Acreage report confirmed the price signal was already changing planting decisions. Corn planted area fell 3 percent year over year to 95.3 million acres, still the fourth highest total since 1944, while soybean planted area rose 5 percent to 85.4 million acres, up or unchanged in 23 of the 29 major producing states. Ohio recorded a record high soybean planted area.

This is the clearest structural signal in the report. Relative soybean profitability pulled acres away from corn heading into the 2026 season, and that reallocation will shape supply, basis levels, and crush margins well into next year.

Brazil Adds Another Layer to the Grain Market Report

Brazil's ANEC export data reinforces the same theme from the supply side. Soybean shipments totaled 73.95 million tons from January through June 2026, already ahead of last year's pace in four of the last five months, while corn shipments reached 6.53 million tons, reflecting a crop that typically ships heavier in the second half of the year. In the week of June 21 to 27 alone, Brazil shipped 3.47 million tons of soybeans against 268,000 tons of corn. China alone accounted for 70 percent of Brazil's January through May soybean demand, with Egypt and Vietnam leading on corn.

Breaking: Soybeans Hit Four Month Lows

As of July 1, soybean futures were trading below $11.20 per bushel, close to the lowest level since early February. The move followed USDA's quarterly stocks report, which pegged June 1 soybean stocks at 1.061 billion bushels, above market expectations, alongside confirmed 2026 planted acreage of 85.365 million acres. A stronger dollar and expectations of further rate hikes added pressure on export competitiveness, while Midwest heat is stressing crops in the near term. Markets are also watching for fresh Chinese purchases following the May summit between Presidents Trump and Xi.

What This Means for Buyers and Traders

Ample supply is pressuring soybean prices today, but the underlying trend, more acres, more Brazilian exports, and a widening structural demand base, points to a market that will stay volatile and worth watching closely through harvest.

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