05/29/26 Afternoon CommStock Report – Some Trends are Made to Fade

This short holiday week started off like most weeks have over the last three months, with markets taking direction from crude oil. Grain futures gapped lower on Monday night after crude oil was already down sharply in response to news of a peace deal with Iran. Futures settled off their lows on Tuesday, but crude oil kept falling after that to exert pressure on the broader commodity space. The exception was soybean oil, which decoupled from crude and went on a three-day run to new highs. Soybean oil was standing out for having earlier benefitted from strength in crude oil and for now having the potential to rally further because crude oil is weakening. Lower crude oil futures, assuming they weigh on diesel fuel prices, would pinch biofuel production margins and drive up the costs of compliance with the elevated renewable volume obligations recently announced. As primary feedstock for biomass-based diesel fuel, soybean oil futures were rising in step with the D4 RIN credits that cover advanced biofuels. Soybean oil and D4 RINs rising together reflected increasing attention on shrinking RIN carryover banks and the question of whether enough gallons of biofuels can be physically produced to avoid future compliance…