As of the latest crop progress report, 81% of US corn was harvested, five points behind average. Iowa corn harvest stood at 72%, 16 points behind normal, while soybean harvest was 92% complete nationally, one point ahead of average.
Slow corn harvest can delay deliveries and support nearby cash basis briefly, while the near-complete soybean harvest indicates steady flow to market.
After 770 past neutral report events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.1% to +1.6%), and +0.7% over 20.
After 563 past neutral report events, Soybeans moved a median -0.1% over 5 sessions (48% higher; middle half -1.7% to +1.6%), and -0.1% 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.