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Island published an electronic feed called "ITCH" of all trades in the system, and used a protocol called "OUCH" to place orders. The data feed was accessible for free, an innovation over the tightly controlled data for traditional exchanges, and trading fees were significantly lower than on Nasdaq. [3]: 119–120
Global Trading Systems, which uses the trade name GTS, is an American proprietary trading and market making firm headquartered in New York. The firm accounts for 3 to 5 percent of the daily turnover of US equities and has handled over 250 IPO listings since 2013.
Since the late 1970s, all SEC-registered exchanges and market centers that trade NYSE or AMEX-listed securities send their trades and quotes to a central consolidator where the Consolidated Tape System (CTS) and Consolidated Quotation System (CQS) data streams are produced and distributed worldwide. The CTA is the operating authority for CQS ...
Phibro-Salomon Inc. 1981 Prudential Insurance: Halsey, Stuart & Co. Prudential Securities: 1981 American Express: Shearson Loeb Rhoades: Shearson/American Express: 1984 Shearson/American Express: Investors Diversified Services: Shearson/American Express: 1984 Shearson/American Express: Lehman Brothers, Kuhn, Loeb: Shearson Lehman/American ...
Reference data is a catch all term used in the finance industry to describe counterparty and security identifiers used when making a trade. As opposed to market data the reference data is used to complete financial transactions and settle those transactions. The financial service industry and regulatory agencies have pursued a policy of ...
A National Securities Identifying Number, or NSIN, is a generic nine-digit alphanumeric code which identifies a fungible security. The NSIN is issued by a national numbering agency (NNA) designated for that country. Regional substitute NNAs have been allocated the task of functioning as NNAs in those countries where NNAs have not yet been ...
In a complaint filed in Washington, D.C. federal court, the SEC said Musk violated federal securities law by waiting 11 days too long to disclose his initial purchase of 5% of Twitter's common shares.
The Consolidated Quotation System (CQS) is the electronic service that provides quotation information for stock traded on the American Stock Exchange, New York Stock Exchange, and other regional stock exchanges in the United States and also includes issues traded by FINRA member firms in the third market.