
December corn fell 1 cent to $4.48 after a bullish USDA monthly supply and demand report, as the US dollar index rallied to a 1.5-year high. World Weather said Brazil corn planting faces rain delays over the next two weeks, while Mato Grosso and parts of Minas Gerais still need rain.
A stronger dollar and a slower Brazilian planting pace pull in opposite directions for US corn export competitiveness and Brazilian safrinha supply timing. Corn prices stayed near mid-range with no decisive new driver.
Not enough comparable past events yet for a historical read.
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.