SEC chief hails ‘big data’ in insider trading bust | TheHill

Ceresney said it’s been a “banner time” for the agency as comprehensive data capabilities are “increasing by the day.”

“We have access to data that we just didn’t have access to five or ten years ago,” he said. “[We’re] finding patterns of traders who are trading in unison and then working backward” to see where they got the information.

via SEC chief hails ‘big data’ in insider trading bust | TheHill