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Soybeans, soyoil and corn fell sharply on March 16 after Trump threatened to delay his Xi summit, with May and July soybeans and soyoil hitting the daily limit. Speculative funds held large net long positions in soybeans, corn and KC wheat, and crude oil also fell.
Heavy speculative length left grain prices vulnerable to a sell-off once trade-tension headlines emerged. Lower crude oil also reduced support for vegetable oils and grain prices.
profarmer.comBill WattsMar 16, 2026After 803 past bearish trade events, Soybeans moved a median +0.0% over 5 sessions (51% higher; middle half -1.7% to +1.7%), and +0.9% over 20.
After 152 past bearish trade events, Soybean Oil moved a median -0.2% over 5 sessions (47% higher; middle half -2.1% to +2.1%), and -0.1% over 20.
After 683 past bearish trade events, Corn moved a median -0.2% over 5 sessions (47% higher; middle half -1.7% to +1.6%), and +0.3% over 20.
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.
Long liquidation by large speculative net longs amplified the selloff after the summit-delay threat, explaining the extreme z-score.
Long liquidation by large speculative net longs drove soyoil to the daily limit, amplifying the decline as crude also fell.
