
Barges on the Tapajós River, the main grain corridor of the Arco Norte, are operating at about half capacity because of drought and lack of maintenance dredging. The government says it may use road transport to complement river shipments, with no date set for lifting the restrictions.
Lower barge capacity raises freight costs and slows soybean and corn exports from Mato Grosso, which can widen Brazilian basis discounts and tighten port supply. Shifting volumes to trucks adds cost, supporting Brazilian export premiums relative to US-origin supply.
After 206 past bullish logistics events, Soybeans moved a median +0.5% over 5 sessions (56% higher; middle half -1.3% to +2.6%), and +1.4% over 20.
After 285 past bullish logistics events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.5% to +1.5%), and +0.8% over 20.
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.