Rabobank's 2019 Agribusiness Outlook expects global wheat prices to come under pressure in the second half of 2019 as new Australian crop arrives. It flags a China anti-dumping investigation into Australian barley, with a first decision expected in early February.
A possible Chinese tariff on Australian barley would disrupt a major trade flow and pressure export prices, while tight global barley stocks offer support.
Not enough comparable past events yet for a historical read.
After 375 past bearish trade events, Wheat (SRW) moved a median -0.2% over 5 sessions (47% higher; middle half -2.0% to +1.1%), 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.