A-share Listed Companies Basic Data

  Monthly operations reports represent regularly disclosed business updates from enterprises, covering aspects such as sales volume, production operations, and project progress. These reports offer high-frequency insights into short-term operational trends and industry sentiment shifts. The CnOpenData A-Share Listed Companies Monthly Operations Report Database systematically compiles such disclosures from 2007 onward. Key fields include stock codes, announcement titles, dates, and industries.

Data Features:

  • Extended Time Span: Covers nearly 19 years of historical data with complete time series, facilitating cross-cycle research.
  • High-Density Coverage of Leading Industries: Manufacturing, real estate, finance, and construction collectively exceed 50% representation, providing precise support for macroeconomic core sector studies.
  • Original Disclosure Archives: Includes source PDFs of operations reports, enabling retrospective verification, full-text retrieval, natural language processing, and text mining analysis.

Potential Applications:

  • Operational Monitoring and Early Warning: Applicable to empirical asset pricing models, market microstructure research, event studies (e.g., IPOs, policy releases), and technical analysis validation.
  • Industry Sentiment and Cycle Research: Supplies multi-period market inputs for momentum strategies, trend tracking, mean reversion algorithms, etc.
  • Investment and Market Reaction Analysis: Integrates macroeconomic variables to evaluate stock market cyclical performance, aiding policy assessment and financial risk identification.
  • Competitive and Strategic Analysis: Tracks long-term competitive landscapes and business layout evolution across enterprises and industries.

  With extensive temporal coverage, high-frequency updates, and multi-industry panoramic records, this database delivers precise, timely, and traceable operational data support for macroeconomic research, industry monitoring, investment decisions, and strategic analysis.


Time Range

2007 – July 2025


Field Descriptions


Sample Data


Data Update Frequency

Annual Updates