James Crosby got started in sports betting with an arbitrage strategy he learned from his roommate. He exploits the odds when betting against himself on multiple platforms, so he always makes a profit ...

Arbitrage may seem like a quick and easy way to profit from price differences across markets, but the risks far outweigh the rewards. From regulatory scrutiny and ethical concerns to fierce ...

Arbitrage is a fundamental concept in finance, playing a crucial role in determining prices for assets like currencies, ...

This as-told-to essay is based on a conversation with James Crosby, a 26-year-old Deloitte consultant from Arlington, Virginia. It's been edited for length and clarity. Online sports betting is legal ...