Five Ukrainian seaports, including Chernomorsk, Odessa, Kherson and Yuzhny, restricted cargo handling on January 31 because of difficult weather. Ukraine ships about 95% of its grain exports through seaports.
Port closures delay loadings from a major export origin, tightening prompt Black Sea supply and supporting grain prices if prolonged.
After 283 past bullish logistics events, Wheat (SRW) moved a median -0.2% over 5 sessions (46% higher; middle half -1.4% to +1.3%), and -0.1% 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.