The $10 Million Quest to Ace a High-School Math Test

Alex Gerko cannot wait to lose $10 million. 

The founder of the algorithmic trading firm XTX Markets, Gerko is now one of the world’s richest men. But he’s not spending his fortune on a sports team or a flight to space. This billionaire is plowing his money into a different, even wilder adventure: He wants to conquer the world’s most prestigious high-school math competition.