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Karen Braun writes that localized summer storms make the GFS and European weather models less useful for judging US corn and soybean yields. USDA rated 57% of soybeans and 62% of corn good or excellent as of July 23, both five-year lows.
Weather-model uncertainty raises the risk of yield surprises, which keeps a risk premium in corn and soybean prices.
manitobacooperator.caKaren BraunAug 14, 2017After 1,465 past bullish weather events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), and +0.9% 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.
