Members Exchange (MEMX) Launch Schedule

July 28th | 2020

Following the SEC’s approval MEMX’s application for registration as a national securities exchange on May 4, the Members Exchange is now set to begin trading on September 4, 2020. According to its website, platform testing and member certification is already in progress, so here are the remaining important dates to know:

  • August 1: User Acceptance Test #1

  • August 15: User Acceptance Test #2

  • September 4: Exchange Launch

Note that since the approval was May 4, the SEC expects industry participants to treat MEMX’s best bid and best offer as a protected quotations at the time the MEMX begins operations. Indeed, MEMX’s routing broker was also recently approved, so the exchange is positioned to be able to fulfill its Reg NMS routing obligations when it goes live.

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