Propex Derivatives Pty Ltd, associated with Propex24, is an Australian proprietary trading firm founded by Max Whitby, a veteran in the futures industry. The company has been operating since at least 2015 and offers advisory dealing services for futures, equities, and forex through a unified platform. With a team of 21-50 employees, Propex Derivatives generates an annual revenue between $10 million and $25 million. The firm has a notable regulatory history, having resolved a 2020 case with the U.S. Department of Justice related to spoofing allegations.