Introduction to the Articles of Association Announcement Data of A-share Listed Companies

 According to the "Measures for the Administration of Information Disclosure of Listed Companies" promulgated by the China Securities Regulatory Commission Order No. 40 on January 30, 2007, in order to regulate the information disclosure behavior of issuers, listed companies and other information disclosure obligors,listed companies Relevant information should be disclosed in a timely, accurate and complete mannerincluding prospectuses, prospectuses, listing announcements, periodic reports and temporary reports, etc.

 A timely and accurate announcement of a listed company is enough to give negative or positive signals to investors and influence the real-time market. Looking back at the announcements of listed companies over the years can also enable the search for clues in academic research -Market reaction, investment Investor sentiment, company performance... In the current new media era, the market reaction to announcements by listed companies is stronger and faster, and these can all be reflected through big data.

  The company articles of association announcement data of A-share listed companies launched by CnOpenData includes stock code, company name, announcement title, announcement time, classification, industry, year and other fields. The amount of information is extremely comprehensive and is very useful for A-share listed companies. It provides strong data support in terms of research on listed companies and securities market research.

Time interval

As of 2021.6.30

Field display

Sample data

Related literature

• Zhang Yeqing, Lu Yao, and Li Leyun, 2021: "The Impact of Big Data Application on the Market Value of Chinese Enterprises—Evidence from Text Analysis of Annual Reports of Chinese Listed Companies", "Economic Research" Issue 12.

Data update frequency

Annual Update

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