Who can access the automated order processing systems of the Amex?
(1) Member Access Regular Member firms and Associate Member firms with an optional Electronic Access Membership may route orders to the Amex’s Reg NMS electronic trading platform AEMI or the firm’s floor broker through the Booth Automated Routing System (BARS). (2) Non-Members With the sponsorship of a Regular Member firm, non-members may also access AEMI or BARS through via the Financial Information Exchange (FIX) Protocol or the Securities Industry Automation Corporation’s (SIAC’s) Common Message Switch (CMS). Non-members may route orders through a valid member’s system as the Amex member’s customer. In this case, the Amex recognizes the order flow to be that of the Amex member and the Amex member is held accountable and liable. The Amex member firm, not the non-member, will be fully responsible, under Amex Rule 128. (3) Service Bureaus Service bureaus may have connectivity to AEMI and BARS. Service bureaus must be members or be sponsored by members in order to access to the order pr
