Nasdaq is a stock exchange located in New York City. It is the most active stock exchange in the United States by volume and ranks second in the list of stock exchanges by market capitalization, after the New York Stock Exchange. The exchange platform is owned by Nasdaq, which also owns the Nasdaq Nordic stock market network and several US stock and options exchanges. Although it trades stocks of healthcare, financial, entertainment, retail, and food companies, it focuses more on technology stocks.
The Nasdaq stock market ultimately carries the majority of over-the-counter (OTC)OTC) system, many securities were still traded in this manner. Until 1987, the NASDAQ exchange was still commonly referred to as "OTC" in media reports and in the monthly stock guides (Stock Guides and Procedures) published by Standard & Poor's. Over the years, it became more like a stock market through the addition of trade and volume reporting and automated trading systems. In 1981, NASDAQ traded 210% of the total U.S. securities market volume of 37 billion shares. By 1991, NASDAQ's share had grown to 46%. In 1992, the NASDAQ stock market merged with the London Stock Exchange to form the first intercontinental capital market linkage.
纳斯达克是由美国全国证券交易商协会为了规范混乱的场外交易和为小企业提供融资平台于1971年2月8日创建。纳斯达克的特点是收集和发布场外交易非上市股票的证券商报价，它现已成为全球第二大的证券交易市场。现有上市公司总计5400多家，纳斯达克又是全世界第一个采用电子交易并面向全球的股市，它在55个国家和地区设有26万多个计算机销售终端。
The Nasdaq Index is an average stock price index that reflects changes in the Nasdaq securities market, with a base index of 100. Nasdaq listed companies cover all high-tech industries, including software, computers, telecommunications, biotechnology, retail and wholesale trade, etc.
Each listed security has its own stock code, and the security and the code correspond one to one. Once the security code is determined, it will not change. This is mainly for computer recognition and is more convenient to use. NASDAQ stock codes are mostly composed of several (usually four) capital letters, such as: BIDU, which is the stock code of Baidu listed on NASDAQ on August 2005, 8.
The NASDAQ stock market is the fastest growing of the major stock markets in the world, and it is the first electronic stock market. More than half of the stocks traded in the US market every day are traded on the NASDAQ, and the securities of nearly 5400 companies are listed on this market. NASDAQ is unique compared to other stock markets by applying today's advanced technology and information - computer and telecommunications technology to traditional trading methods. 519 brokers representing the world's largest securities companies are called market makers, and they provide 6 bid and ask prices on the NASDAQ. These large-scale activities are processed by a huge computer network, showing the best quotes to investors in 55 countries (including more than 70 computer terminals).
Compared with the exchanges on the market, this set of source code is considered to be newly developed with both front and back ends.
Both the front and back ends are fully open source. The front end is developed with HTML and the back end is TP framework. This system has full functions and the UI is also good, day and night.
The source code completion in February comes with complete tutorial instructions. It is not a complete version on the market. The ones on the market have few databases and few files. It can not start the K line if it can be built normally.
