Corn and wheat prices have surged to their highest levels in more than three years, driven by a combination of tight supplies, adverse weather conditions, and geopolitical conflicts. According to CNBC, wheat futures settled 3.1% higher at 784 cents per bushel after touching a high of 790.25 cents, marking the highest level since Feb. 14, 2023. Wheat recorded a weekly jump of 12.1%, representing its largest weekly gain since March 2022, and was up more than 54.5% year-to-date.
Corn and Wheat Futures Surge to Multi-Year Highs
Corn futures settled 0.6% higher at 536.5 cents per bushel after hitting a session high of 541.25 cents, which is the highest level recorded since July 28, 2023. The corn contract gained 5.5% for the week and rose 15.6% in August, putting it on pace for its best monthly performance since April 2021. Year-to-date, corn is up 21.8% amid tightening U.S. supplies.
Geopolitical Disruptions and Black Sea Tensions
The forces driving the recent rallies differ between the two crops, with wheat prices reacting directly to global supply disruptions. Grain export disruptions have pushed prices upward following reports of escalating tensions between Russia and Ukraine in the Black Sea region. Russia and Ukraine together account for more than a quarter of global wheat exports, and growing fears of supply blockages have served as a strong catalyst for price increases.
William Osnato, Barchart director of commodity data research and analysis, explained that damage to Russian grain-export infrastructure reduced expectations for near-term Russian wheat shipments. Furthermore, recent attacks in the Sea of Azov—a feeder into the Black Sea—alongside military strikes on grain export facilities, oil tankers, and vessels have made it difficult for shipping firms to secure marine insurance. While Russia remains the biggest wheat exporter and a low-cost supplier influencing the global market, shipments through the Black Sea have slowed significantly.
WASDE Reports and European Weather Pressures
For corn, the market consensus centers on lower-than-expected supplies. A report by the U.S. Department of Agriculture (USDA), specifically the August World Agricultural Supply and Demand Estimates (WASDE) report, lowered corn yield estimates more than traders anticipated, despite projecting the second-largest harvest on record.
In addition to domestic factors, extreme high temperatures and drought across Europe throughout the summer significantly impacted European corn production. Strong export demand from Europe added further pressure to constrained supplies. The USDA raised its export projections by 75 million bushels to 3.3 billion, reflecting increased global demand alongside constrained exports from Ukraine, a major global corn exporter. Analysts note that Europe’s drought-hit corn crop could also create additional pressure on wheat markets by encouraging the region to utilize more wheat for animal feed and retain local supplies rather than exporting them.
Market Mechanics and Trading Volumes
Trading activity in the agricultural markets has seen massive volumes ahead of the harvest season. According to Barchart.com, the December corn contract saw trade volumes exceeding 500,000 contracts on a Monday, followed by nearly 400,000 contracts on Tuesday and another 400,000-plus contracts on Wednesday.
Darin Newsom, senior market analyst for Barchart, noted that these volumes reflect unchecked fund buying rather than commercial hedging or end-user purchases. As December corn rallied past 5.30 and approached 5.40, market analysts warned that the rapid upward movement leaves little support underneath and increases the risk of a round of liquidation once harvest gets underway, particularly in areas with stable crop conditions such as central Nebraska.
