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  2. Securities information processor - Wikipedia

    en.wikipedia.org/wiki/Securities_Information...

    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] An important purpose of the SIPs for US securities is to publish the prevailing National ...

  3. Unlisted Trading Privileges - Wikipedia

    en.wikipedia.org/wiki/Unlisted_Trading_Privileges

    Unlisted Trading Privileges (UTP) oversees the Securities Information Processor for securities listed on Nasdaq and other securities that do not meet the requirements for listing on an exchange. Acquisition and distribution of market data

  4. SIP URI scheme - Wikipedia

    en.wikipedia.org/wiki/SIP_URI_scheme

    The SIP URI scheme is a Uniform Resource Identifier (URI) scheme for the Session Initiation Protocol (SIP) multimedia communications protocol. A SIP address is a URI that addresses a specific telephone extension on a voice over IP system. Such a number could be a private branch exchange or an E.164 telephone number dialled through a specific ...

  5. Securities Investor Protection Corporation - Wikipedia

    en.wikipedia.org/wiki/Securities_Investor...

    The Securities Investor Protection Corporation (SIPC / ˈsɪpɪk /) is a federally mandated, non-profit, member-funded, United States government corporation created under the Securities Investor Protection Act (SIPA) of 1970 [3] that mandates membership of most US-registered broker-dealers. Although created by federal legislation and overseen ...

  6. Session Initiation Protocol - Wikipedia

    en.wikipedia.org/wiki/Session_Initiation_Protocol

    v. t. e. The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating communication sessions that include voice, video and messaging applications. [1] SIP is used in Internet telephony, in private IP telephone systems, as well as mobile phone calling over LTE (VoLTE).

  7. Exchange-traded fund - Wikipedia

    en.wikipedia.org/wiki/Exchange-traded_fund

    t. e. An exchange-traded fund (ETF) is a type of investment fund that is also an exchange-traded product, i.e., it is traded on stock exchanges. [1][2][3] ETFs own financial assets such as stocks, bonds, currencies, debts, futures contracts, and/or commodities such as gold bars. Many ETFs provide some level of diversification compared to owning ...

  8. Consolidated Tape Association - Wikipedia

    en.wikipedia.org/wiki/Consolidated_Tape_Association

    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] It is currently chaired by Emily Kasparov of the Chicago Stock Exchange, the ...

  9. S&P 500 - Wikipedia

    en.wikipedia.org/wiki/S&P_500

    The Standard and Poor's 500, or simply the S&P 500, [5] is a stock market index tracking the stock performance of 500 of the largest companies listed on stock exchanges in the United States. It is one of the most commonly followed equity indices and includes approximately 80% of the total market capitalization of U.S. public companies, with an ...