United States - Export Price Index (Harmonized System): Corn (Maize) was 218.50000 Index 2000=100 in July of 2025, according to the United States Federal Reserve. Historically, United States - Export Price Index (Harmonized System): Corn (Maize) reached a record high of 378.90000 in May of 2022 and a record low of 84.90000 in August of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Export Price Index (Harmonized System): Corn (Maize) - last updated from the United States Federal Reserve on September of 2025.