Gradient's Renton, Wash., office space is home to 10 million sports and gaming cards, where a team of card geeks and engineers are using technology to upend a $15 billion U.S.

Learn about the long jelly roll, which is an option strategy that exploits pricing differences in options to achieve arbitrage gains with varying expiration dates.

"Code Match" is described as a live digital sweepstakes that will turn the Exosphere of Sphere into a first-of-its-kind mobile game.