According to the Administrative Measures for Information Disclosure of Listed Companies (CSRC Order No. 40) promulgated on January 30, 2007, to standardize information disclosure behaviors of issuers, listed companies, and other information disclosure obligors, listed companies shall disclose relevant information promptly, accurately, and completely, including prospectuses, offering circulars, listing announcements, periodic reports, and interim reports.
A timely and accurate corporate announcement can provide investors with bearish or bullish signals, influencing real-time markets. By tracing historical announcements, academic researchers can systematically examine patterns in market reactions, investor sentiment, and corporate performance. In the current new media era, market responses to corporate announcements have become more rapid and intense, all of which can be reflected through big data analysis.
The A-Share Listed Companies Financial Service Agreement Announcement Data released by CnOpenData encompasses comprehensive fields such as stock code (股票代码), name (名称), title (标题), and announcement date (公告日期). This dataset provides robust data support for research on A-share listed companies and securities markets.
Time Coverage
2002.06.18-2024.11.31
Field Display
Sample Data
Relevant Literature
- Zhang Yeqing, Lu Yao, Li Leyun, 2021: The Impact of Big Data Applications on Chinese Enterprises' Market Value: Evidence from Textual Analysis of Annual Reports of Chinese Listed Companies, Economic Research Journal 12.
Data Update Frequency
Annual Update