Apple holds a commanding 71% implied probability of being the largest company by market capitalization at the end of November 2026, driven by consistent recent gains in its services revenue and artificial intelligence features across the iPhone and Mac lineup that have stabilized its valuation lead. NVIDIA sits at 30% amid sustained graphics processing unit demand for large language model training, yet faces headwinds from broader semiconductor cyclicality and competitive chip releases. With resolution less than three weeks away, the negligible odds below 1% for Microsoft, Alphabet, and others underscore trader views that near-term earnings or macroeconomic shifts are unlikely to reorder the top spot before month-end.