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The IRI December 2018 Quick Look reports that El Niño-level sea surface temperatures persisted in November with warmer subsurface waters, though most atmospheric indicators remained neutral. The official CPC/IRI outlook puts the chance of El Niño during winter at 96% and 70% for March-May 2019, and an El Niño watch is in effect.
A developing El Niño typically brings wetter, milder conditions to parts of the Americas and drier conditions to Australia, India and Southeast Asia, which can shift yield expectations for grains and oilseeds. Markets may price in better South American and US crop prospects, adding mild bearish pressure to corn and soy.
iri.columbia.eduDec 19, 2018After 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 363 past bearish weather events, Soybeans moved a median -0.6% over 5 sessions (42% higher; middle half -2.5% to +1.1%), and -0.2% over 20.
After 224 past neutral weather events, Wheat (SRW) moved a median -0.1% over 5 sessions (46% higher; middle half -1.4% to +1.5%), and +0.4% 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.
