How has the revenue structure been altered because of CME Group's Acquisition Of NEX?

The Chicago Mercantile Exchange, the New York Mercantile Exchange (NYMEX) and the Chicago Chairman and Dow Jones Index Services are running futures and options markets. In its digital dashboard, Trefis highlights trends by key components of the operations of CME GroupClearing and transaction fees contributed to 85% of CME's total revenues in 2018, but the contribution from the NEX Optimization sector is projected to decrease by 5% to 80%.<....