Speculators are increasing their short positions in U.S. grain futures due to abundant global supplies, despite concerns about the oilseed market and weather conditions in South America. Money managers' net short positions in wheat, corn, and Kansas City and Minneapolis wheat futures and options have risen to their highest levels since 2019. Meanwhile, speculators have been trimming their net long positions in soybean futures and options, but remain bullish on soymeal.