MEMX wants to offer event contracts on corporate earnings and other performance indicators. If the EPCs are approved, MEMX will offer the yes/no derivatives to traders through Interactive Brokers, which is established in the realm of non-sports event contracts. More Exchanges Examining the IdeaNews MEMX’s proposed rule change arrives about six weeks after Cboe Global Markets (BATS: CBOE) sought permission to list event contracts company earnings, other indicators and economic data. Within the professional trading community and perhaps among some savvy retail market participants, there could be strong appetite for the event contracts Cboe and MEMX want to bring to market. The event contracts proposed by Cboe and MEMX bring more nuance to the equation and potentially more opportunity.