NVIDIA commands a 70% implied probability on Polymarket as the largest company by market capitalization by December 2026, anchored by its current $4.58 trillion lead over Apple's $3.83 trillion and Alphabet's $3.82 trillion as of April 11. Trader consensus reflects NVIDIA's unchallenged dominance in AI accelerators, with data center revenue surging amid hyperscaler capex booms and recent shares hitting a record $189.42 on April 10 following AI partnership announcements that propelled Nasdaq highs. Alphabet's 13.5% and Apple's 11.5% odds stem from cloud AI investments and services resilience, though widening valuation gaps favor NVIDIA's margin expansion. Key catalysts include NVIDIA's upcoming fiscal Q1 earnings and sustained AI infrastructure spending trends through year-end.