# Corn and wheat prices hit three-year highs Global supply concerns and Russia-Ukraine tensions drive agricultural commodity prices up - **Source:** [US Top News and Analysis](https://brifing.si/source/635540e9-943e-450d-ae52-ae0bfe3b67eb) - **Published:** 2026-08-28 - **Topic:** [Finance](https://brifing.si/c/finance) - **Original article:** - **On Brifing:** https://brifing.si/s/115ad2ea-7feb-4910-bf26-d140a7d6c76d ## Sharp price increases Corn and wheat futures reached their highest levels in over three years. Wheat futures rose 3.1% to 784 cents per bushel on Friday, marking the highest level since February 2023. Corn settled at 536.5 cents per bushel, its highest since July 2023. Year-to-date, wheat has gained 54.5% while corn is up 21.8%, reflecting significant supply constraints in global agricultural markets. ## Tightening corn supply The USDA's August WASDE report lowered corn yield estimates more than traders anticipated, reducing the forecast by 2.3 bushels per acre to 180.7. Excessive June rains followed by extreme July heat damaged crops. Field observations from Pro Farmer's Crop Tour confirmed below-expectation yields. August rainfall and fungal diseases in the Eastern Corn Belt created additional bottlenecks, putting pressure on already constrained supplies. ## Global supply chain issues Ukrainian export constraints continue to tighten global corn supplies. The USDA raised its export forecast by 75 million bushels to 3.3 billion, reflecting strong demand and Ukrainian export limitations. Europe's heatwave and drought reduced regional production while increasing import demand. Experts warn that U.S. supplies may not be sufficient to balance global markets, creating potential for further price increases. ## Geopolitical wheat risks Black Sea tensions directly impact wheat prices, with Russia and Ukraine accounting for over 25% of global exports. Attacks in the Sea of Azov and military strikes on grain facilities made shipping insurance difficult to obtain. Significant damage to Russia's Black Sea export capacity means millions of tons may not reach global markets. These disruptions come amid already tight supplies, exacerbating price pressures. ## Climate impacts Europe's heat wave reduced wheat production by 8-10 million metric tons. Drought in Texas, Oklahoma and Kansas cut hard red winter wheat output. Like with corn, weather conditions have become a primary driver of wheat price increases. Experts note that poor weather can affect crops even late in the growing season, creating additional uncertainty for supplies. ## Demand-side dynamics Reduced corn supplies for animal feed could increase wheat demand. Europe's tendency to retain wheat for domestic use rather than export may further tighten global supplies. USDA data shows rising wheat demand for both feed and industrial use. Population growth in developing nations creates long-term demand pressure, particularly for staple food commodities. ## Market psychology Prices breaking multi-year highs attracted momentum traders. Both fundamental and systematic traders now view the market positively. Analysts warn that the combination of supply-demand imbalances and technical buying could drive prices higher. Increasing long positions in futures markets suggest the upward trend may continue, with potential for additional speculative inflows. ## Consumer implications Rising commodity prices may translate to higher end-product costs. Price increases are expected for flour, bread and animal products. Food inflation poses particular risks for developing economies. Experts predict supply shock effects could persist into 2024. Government agricultural policies and stock management become critically important during such periods of market volatility. ## Sources covering this story - https://www.cnbc.com/2026/08/28/corn-and-wheat-prices-jump-to-highest-prices-in-more-than-three-years.html — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._