MEMX (Members Exchange) is a technology-driven stock exchange founded in 2019 by nine major financial institutions. It aims to increase competition, improve transparency, and reduce costs in equity trading. MEMX offers a low-cost, straightforward trading platform with basic order types and no speedbumps. Its services are primarily used by retail broker-dealers, global banks, and market makers. The unique selling proposition is its focus on simplicity and transparency, aligning exchange services with the interests of market participants. MEMX launched its U.S. options exchange in September 2023, further expanding its offerings[1][3][5].