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Yahoo! Query Language (YQL) is an SQL-like query language created by Yahoo! as part of their Developer Network. YQL is designed to retrieve and manipulate data from APIs through a single Web interface, thus allowing mashups that enable developers to create their own applications [1] using Yahoo! Pipes online tool.
Extended-hours trading (or electronic trading hours, ETH) is stock trading that happens either before or after the trading day regular trading hours (RTH) of a stock exchange, i.e., pre-market trading or after-hours trading. [1] After-hours trading is the name for buying and selling of securities when the major markets are closed. [2]
According to the 2009 Burton-Taylor report, the Market Data industry exited 2009 at US$22.68 billion after closing 2008 at US$23.01 billion. In 2009, Thomson Reuters and Bloomberg market share were virtually even, at 29.4% and 29.2% respectively.
Yahoo Finance is a media property that is part of the Yahoo network. It provides financial news, data and commentary including stock quotes, press releases, financial reports, and original content. It also offers some online tools for personal finance management.
In finance, market data is price and other related data for a financial instrument reported by a trading venue such as a stock exchange. Market data allows traders and investors to know the latest price and see historical trends for instruments such as equities , fixed-income products, derivatives , and currencies .
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 financial quotation refers to specific market data relating to a security or commodity.While the term quote specifically refers to the bid price or ask price of an instrument, it may be more generically used to relate to the last price which this security traded at ("last sale"). [1]
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.