What moved it
Down after Tesla shares fell through 2022, the year he bought Twitter.
Against today
Our checkpoint at the close on 15 October 2026 was $924.3 billion, which is 5.1 times his March 2023 figure. Against the $22 million he took from selling Zip2 in 1999, the 2023 figure was 8,182 times as much.
Where the figure comes from
His entry on the Forbes World’s Billionaires list, published each March and measured a few weeks before: The World's Billionaires, Wikipedia, citing Forbes . Every year is on History.