On Saturday, August 14, 2021, MEMX is planing to make the trading platform available for a UAT for Members to test in the production environment.
While there are no trading platform changes, MEMX is releasing a new query tool that can be accessed through the MEMX User Portal. Below is a list of query filters that will be available:
- Order Date (Single date only)
- Firm ID
- Status (Open or Closed)
- RiskGroup ID
- MPID
- Account ID
- Client Order ID
- Exchange Order ID
- Symbol
- Side
- Price
- Order Type (Market, Limit, Pegged)
- TIF
- Ability to Cancel Orders
Test Schedule for Saturday, August 14, 2021:
| Time (Eastern) | Trading Status |
| 8:30A | Session Available |
| 9:00A | Pre-Market |
| 9:30A | Market |
| 12:00P | Post-Market |
| 1:00P | Post-Market Closed |
| 1:15P | Session Closed |
Our Market Operations and Member Experience teams are here for any of your questions.
MEMX Market Operations
1-833-415-6677
MEMX Member Experience
1-833-415-6369