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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 Data Feed (UQDF) and the UTP Trade Data Feed (UTDF). UQDF provides traders a direct view of an NBBO. These feeds are considered level 1 or the top-of-book.
Securities information processor. 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 ...
Market data generally refers to either real-time or delayed price quotations. The term also includes static or reference data, that is, any type of data related to securities that is not changing in real time. Reference data includes identifier codes such as ISIN codes, the exchange a security trades on, end-of-day pricing, name and address of ...
Financial data vendor. A financial data vendor provides market data to financial firms, traders, and investors. The data distributed is collected from sources such as stock exchange feeds, brokers and dealer desks or regulatory filings (e.g. an SEC filing ).
(Reuters) -The S&P 500 index and technology-laden Nasdaq rose on Wednesday to post record high closes, as data pointing to a softening economy raised hopes the Federal Reserve could cut interest ...
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.: 119–120
Consolidated Quotation System. 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.
A significant gauge of the level of options market data is messages per second (MPS), which is the number of messages (i.e., options trade and quote data) reported to OPRA by the options exchanges during any given second of a trading day. Data volume has increased dramatically since the early 1990s, as illustrated in the following table.