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A securities information processor (SIP) is a part of the infrastructure of public market data providers in the United States that process, consolidate, and disseminate quotes and trade data from different US securities exchanges and market centers. [1]
The Consolidated Tape Association (CTA) oversees the Securities Information Processor that disseminates real-time trade and quote information (market data) in New York Stock Exchange (NYSE) and American Stock Exchange (AMEX) listed securities (stocks and bonds). [1]
Nasdaq established the UTP Plan to outline the consolidation and distribution of data through one centralized resource called the Securities Information Processor (SIP). The securities listed on Nasdaq can be quoted and traded from any US exchange. Trades and quotes on these securities are distributed on two separate feeds, the UTP Quotation ...
The Securities Industry Automation Corporation (SIAC) administers the Securities Information Processor (SIP) for OPRA. The SIP gathers the last sale and quote information from each of the participant exchanges. SIAC then consolidates and disseminates that data to approved vendors.
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SIAC initially provided processing services for both NYSE and AMEX's clearing corporations, and continued to do so when these merged into the National Securities Clearing Corporation. [4] As of 2002, the three remained SIAC's main sources of revenue. [5] On November 1, 2006, NYSE Euronext purchased AMEX's stake for $40 million. [3] [6]
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