On March 22, 2017 CBOT wheat, Kansas wheat and corn fell while soybeans rose slightly. Wheat was the biggest loser after improved US winter wheat weather forecasts.
Market chatter cited possible Turkish bans on Russian wheat imports.
Improved Plains weather lowers the drought risk premium on wheat, while possible Turkish import restrictions on Russian wheat could tighten Black Sea-linked demand and support prices. Net effect is mixed for wheat values.
After 334 past bearish weather events, Wheat (SRW) moved a median -0.2% over 5 sessions (47% higher; middle half -1.9% to +1.7%), and -0.2% over 20.
After 70 past bearish weather events, Wheat (HRW) moved a median -0.6% over 5 sessions (41% higher; middle half -3.9% to +2.5%), and -1.1% over 20.
After 357 past bearish weather events, Corn moved a median -0.3% over 5 sessions (44% higher; middle half -2.2% to +1.3%), and -0.5% over 20.
After 1,079 past bullish weather events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% 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.