Farmers pulling combines through Midwest fields were delivered a stark reminder on Friday of just how fast market sentiment can shift. The U.S. Department of Agriculture’s October World Agricultural Supply and Demand Estimates (WASDE) report caught grain traders and market analysts off guard, sparking a sharp sell-off in corn futures while leaving soybean and wheat fundamentals on a separate trajectory.
Heading into the noon EST release, market participants anticipated minor balance sheet adjustments. Instead, USDA delivered a heavy blow to corn bulls by raising its national average yield estimate to a staggering 181.2 bushels per acre—up 2.7 bushels from September’s projection.
That unexpected yield bump pushed projected 2026/27 U.S. corn production to 16.034 billion bushels, far outstripping average trade estimates that had pegged the crop closer to 15.734 billion bushels.
“No question, compared to the trade estimate, the biggest shock was the surprising increase in the corn production estimate,” said Brian Basting, Commodity Research Analyst and Economist for Advance Trading. “The average trade estimate was 15.734 billion, so that’s 300 million bushels above the average trade estimate. Now, it was within the range, but just barely.”
Corn Carryout Ballooning
The sharp upward revision in production filter directly down to domestic carryout. USDA projected 2026/27 U.S. corn ending stocks at 1.849 billion bushels—up 282 million bushels from September’s 1.567 billion bushel estimate and well above average trade expectations of 1.694 billion bushels.
Although total usage saw a modest 125 million bushel boost—including a 25 million bushel bump to exports at 3.3 billion bushels—it wasn’t enough to absorb the production surge. Consequently, USDA trimmed its season-average farm price for corn by 10 cents to $4.70 per bushel. Global corn ending stocks were similarly raised to 280.4 million metric tons.
The immediate market response on the Chicago Board of Trade was swift. December corn futures plunged 20 ½ cents to settle at $4.79 ¾ per bushel, while March contracts fell 21 cents to $4.94 ¼.
“My guess is, we’re seeing some fund liquidation here as we wrap up the week,” Basting noted regarding the immediate price action following the report’s release.
Soybeans Hold Steady Ground
While corn markets absorbed a heavy hit, soybean balance sheets proved far less volatile. USDA slightly raised national soybean yields by 0.3 bushel to 53.1 bushels per acre, lifting total production to a record 4.56 billion bushels.
A 10-million-bushel increase in export demand helped offset higher supplies, leaving domestic soybean ending stocks virtually unchanged at 315 million bushels—up just 5 million bushels from last month. The projected average cash price received by growers remained anchored at $12.00 per bushel.
After an initial dip following the report, November soybean futures rebounded into the close, gaining 4 ½ cents to settle at $12.92 per bushel.
“There really weren’t as many surprises as there were in the bean estimate,” Basting said. “315 million bushels on a 2026/27 carryout—that’s unchanged from where it ended in ’25/’26, and most importantly, it’s only up 5 million bushels from what it was last month at 310.”
Wheat Exports Cut, Livestock Adjusts
The wheat complex faced pressure after USDA raised domestic ending stocks by 23 million bushels to 740 million. The increase was primarily driven by a 25-million-bushel slash to U.S. export projections, as Hard Red Winter wheat continues to struggle with price competitiveness in international markets. December Chicago wheat futures declined 12 ¼ cents on Friday to settle at $6.71 per bushel.
In livestock, USDA lowered both 2026 red meat and pork production forecasts due to slower slaughter paces and lighter dressed weights. Beef production was trimmed by 70 million pounds for 2026 to 24.8 billion pounds, while pork production was cut 150 million pounds to 27.62 billion pounds.
For producers currently in the field, Friday’s market action highlights the necessity of risk management as harvest pace accelerates across the Midwest. All eyes will now turn to the November report to see if USDA’s heavy corn yield projection holds up through the combine bin monitors.
CLICK BELOW to hear analysis from Brian Basting with Advance Trading following the release of USDA’s October WASDE Report on Friday, Oct. 9:
