Membership & Connectivity

MEMX has more than 65 members and is focused on advancing the needs of participants. Our technology is built to scale and with the express purpose of eliminating financial incentives for incremental upcharges.

Our connectivity options provide secure, resilient and fair access. We look forward to working with you in the future.

To Become a Member

1. Submit your email address here.

2. Complete membership documents. Once you have been contacted by our Member Experience team for application, complete the forms and email them to us. Forms required for membership are:

a. Member Application

b. User Agreement

c. Router Agreement

d. Clearing Letter

e. Connectivity Services Agreement

The forms can be downloaded at the links below.

3. Electronically sign. MEMX will send completed documents to users for electronic signature by Authorized Signer(s).

4. Receive email approval. MEMX will email the Authorized Signer that all documents have been received and are in good order.

5. Members send supporting documents when appropriate. Broker-Dealers applying for membership also need to send a set of supporting documents.

Membership Documents
Sponsored Access Application
Routing Agreement
Retail Member Organization Application
Membership Application
Market Maker Registration Application
Clearing Letter of Guarantee

Connectivity

MEMX charges the same for all speeds and types of connectivity. There are no charges for higher bandwidth of lower latency connections.

Our exchange connectivity:

  • Supports speeds from 10G to 100G

  • Offers the highest level of performance and lowest latency irrespective of speed option

  • Leverages modern hardware and design to maintain a compact and low-cost footprint

  • Provides access to all MEMX facilities and services

  • Is built using common infrastructure in both our primary and secondary data centers


To request connectivity, click here.

Connectivity Documents
Service Bureau Agreements
Connectivity Services Agreement
Extranet Addendum to CSA
Market Data Documents
Subscriber Agreement
Service Facilitator List
Market Data Policies
Market Data Agreement
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