Virginia McGathey analyzes the latest action across the grain complex as traders await Friday's WASDE report. Soybean futures rebound, supported by strong managed money net long positions and notable open interest in November put options. Corn futures hold steady amid harvest delays and last week's bearish stocks report, establishing a sideways trading pattern. In Wheat futures, frost advisories across the upper Midwest and geopolitical tensions lift prices for a third consecutive session. McGathey highlights key technical levels and market volatility as the fourth quarter begins.