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NASA provides two XDF APIs, in Perl and in Java. XDF is used to store high-dimensional data and information related to it in compact XML format. The purpose is to have interchangeable and high quality format that can be used as a main archive format for this kind of data. [1] The XDF project and related development have been halted (2002,2006).
The origins of the CUSIP system go back to 1964, when the financial markets were dealing with what was known as the securities settlement paper crunch on Wall Street. [5] [6] [7] At that time, increased trading volumes of equity securities, which were settled by the exchange of paper stock certificates, caused a backlog in clearing and settlement activities.
A ticker symbol or stock symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock or security on a particular stock exchange. Ticker symbols are arrangements of symbols or characters (generally Latin letters or digits) which provide a shorthand for investors to refer to, purchase, and research securities.
The Market Identifier Code (MIC) (ISO 10383) is a unique identification code used to identify securities trading exchanges, regulated and non-regulated trading markets.The MIC is a four alphanumeric character code, and is defined in ISO 10383 [1] by the International Organization for Standardization (ISO). [2]
The RIC is made up primarily of the security's ticker symbol, optionally followed by a period and exchange code based on the name of the stock exchange using that ticker. For instance, IBM.N is a valid RIC, referring to IBM being traded on the New York Stock Exchange. IBM.L refers to the same stock trading on the London Stock Exchange. The ...
Index funds that attempt to track the Nasdaq Composite include Fidelity Investments' FNCMX mutual fund [4] and ONEQ [5] [6] exchange-traded fund. Invesco offers the Nasdaq: QQQ exchange-traded fund, which matches the performance of the Nasdaq-100, a different index which tracks 100 of the largest non-financial companies in the Nasdaq Composite and is 90% correlated with the Nasdaq Composite.
In 2009, Bloomberg released Bloomberg’s Open Symbology ("BSYM"), a system for identifying financial instruments across asset classes. [1]As of 2014 the name and identifier called 'Bloomberg Global Identifier' (BBGID) was replaced in full and adopted by the Object Management Group and Bloomberg with the standard renamed as the 'Financial Instrument Global Identifier' (FIGI).
The storage unit recorded the data from the ticker line. Brokers could enter the stock symbol on a desk unit. This triggered a backward search on the magnetic tape (which continued recording incoming ticker data). When a transaction was located, the price was sent to the desk unit, which printed it on a tape.