What’s New This notification is to inform CTA Subscribers that the Long-Term Stock Exchange (LTSE) has received SEC approval to become a Participant in the Consolidated Tape System (CTS) and the Consolidated Quotation System (CQS). In order to accommodate LTSE as a CTA Participant, modifications will be made to the CTS and CQS systems. Activation is expected in Q1, 2020. For additional information, click here.