Corn futures on the CBOT fell as much as 0.9% on 4 November 2026, reaching their lowest intraday level since early July. StoneX raised its 2026 US corn crop forecast to 16.203 billion bushels from 16.115 billion.
Hopes of a Russia-Ukraine peace deal also weighed on grain prices.
A larger US crop estimate adds to expected supply and pressures corn and feed prices lower. Renewed Black Sea grain shipments would add further export supply.
After 1,102 past bearish report events, Corn moved a median -0.2% over 5 sessions (47% higher; middle half -1.8% to +1.3%), and +0.0% over 20.
After 788 past bearish report events, Soybeans moved a median -0.3% over 5 sessions (47% higher; middle half -2.0% to +1.5%), and -0.9% over 20.
After 1,006 past bearish report events, Wheat (SRW) moved a median +0.0% over 5 sessions (50% higher; middle half -1.6% to +1.8%), and +0.3% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.