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What is SIAC?

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What is SIAC?

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SIAC is the initials for the Securities Industry Automation Corporation, a New York Stock Exchange company and the designated operator of the Consolidated Tape Association National Market System for dissemination of quote and trade data from the NYSE, AMEX, and US regional stock exchanges. SIAC operates and maintains two separate computer environments to process trade and quote information. Trade information is process by the Consolidated Tape System (CTS); quote information by the Consolidated Quotation System (CQS). These systems are operated on fault tolerant computer platforms at different physical computer sites; the MetroTech complex in Brooklyn, and the Water Street complex in lower Manhattan, thereby providing redundancy in the event of a site disaster.

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