According to the Administrative Measures for Information Disclosure by Listed Companies, listed companies, as information disclosure obligors, shall disclose legally required and voluntarily disclosed information to the market in an authentic, accurate, timely, and complete manner. Such publicly disclosed information includes but is not limited to: basic company information, key accounting data and financial indicators, shareholder holdings, executive compensation, etc. Information disclosure by listed companies serves as a crucial basis for government regulation and investor behavior. The effective combination of administrative supervision and market oversight forms a dual-track effect that promotes stable and orderly development of the securities market.
CnOpenData introduces institutional research data on A-share listed companies, containing fields such as Stock Code(股票代码), Company Abbreviation(公司简称), Announcement Date(公告日期), Receiving Personnel(上市公司接待人员), Reception Time(接待时间), Reception Format(接待方式), Reception Venue(接待地点), Visiting Institutions(接待对象), Research Content(调研内容).
Time Coverage
As of June 2025
Field Display
Sample Data
Relevant Literature
- Tan Jinsong, Lin Yuchen, 2016: Governance Effect of Institutional Investors on Information Disclosure: Evidence from Institutional Research Activities, Nankai Business Review, No. 5.
- Bu Jun, Sun Guangguo, 2020: On-site Investor Research and Corporate Violations: Mechanism and Effectiveness Test, Accounting Research, No. 5.
Data Update Frequency
Annual Update