Date: May 6, 2021 Description: Regulatory notice providing guidance on test symbol usage and highlighting certain prohibited activity related to test symbol orders.
Category: Alerts and Notices
MEMX is releasing a new version of the trading platform Monday, May 10, 2021. This release contains the following changes with regard to order handling of resting displayed odd lot orders and resting hidden orders, as described below. These changes are currently available for testing in our MDE environment. Resting Displayed Odd Lot Orders – […]
On February 1, 2021, MEMX published Regulatory Notice 21-2: Mandatory Participation in Regulation SCI Disaster Recovery Testing. In coordination with other market centers as part of the SIFMA organized industry test, and in support of Regulation System Compliance and Integrity requirements, MEMX will host a test of its secondary/disaster recovery facilities on Saturday, October 23, 2021. The scope for […]