Who is currently leading in Sergey Brin be richest person on December 31?

NO holds at 99% 6 months out. $84K has traded, suggesting overwhelming conviction from the market with 167 days remaining.

How much money is behind these odds?

$84K total, relatively stable over the last 24 hours. At this stage, volume reflects ongoing reassessment as new information enters the market.

How do I read these odds?

This is a binary YES/NO market. NO's 99% means traders collectively believe there's roughly a 99% chance of that outcome -- extremely likely to occur. These percentages are based on money committed, not polls or surveys. Prices shift when new information changes conviction.