
Russia withdrew support for the grain deal in late October after a drone attack on its Black Sea fleet, then re-engaged four days later. A record convoy moved through the corridor in the interim, and the renewal was agreed for 120 days with no major concessions to Ukraine or Russia.
Renewal keeps Ukrainian grain and fertiliser exports moving, which should ease global wheat and corn prices. Russia's push for sanctions relief on its own exports remains an unresolved risk.
After 80 past bearish geopolitics events, Wheat (SRW) moved a median -0.4% over 5 sessions (44% higher; middle half -1.4% to +1.9%), and -0.5% over 20.
After 87 past bearish geopolitics events, Corn moved a median +0.1% over 5 sessions (51% higher; middle half -1.5% to +2.1%), 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.