Trader consensus on Polymarket pegs Jeff Bezos as the frontrunner at 62.5% implied probability to hold third place among the world's richest on March 31, anchored by Amazon's steady gains from AWS cloud dominance and e-commerce resilience, keeping his net worth around $180 billion in recent Bloomberg tallies. Sergey Brin commands 31.5% as the top challenger, fueled by Alphabet's explosive 9% stock rally over the past week—driven by blockbuster ad revenue beats and Gemini AI upgrades—that has accelerated his wealth ascent from sixth place, narrowing the gap dramatically. Larry Page trails at 2.6% with similar Alphabet exposure but fewer shares, while dark horses like Jensen Huang (Nvidia AI surge) and Mark Zuckerberg (Meta momentum) linger below 3% amid steeper hurdles. High stock volatility underscores uncertainty, with traders eyeing pre-Q1 earnings trends and final market closes as pivotal swings before the snapshot.