The Consolidated Tape System (CTS) is the electronic service, introduced in April 1976, that provides last sale and trade data for issues admitted to dealings on the American Stock Exchange, New York Stock Exchange, and U.S. regional stock exchanges.
The Consolidated Tape Association (CTA) is the operating authority for both the Consolidated Quotation System (CQS) and the Consolidated Tape System (CTS).
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Consolidated Tape System Wikipedia(Text) CC BY-SA