A Stock Data

Open Source

★ 7,705 • Updated Jul 24, 2026, 03:06 PM

A Stock Data is an open-source, full-stack data toolkit designed for accessing and consolidating China A-share market data.

Use Cases ▼

Quantitative strategy development and backtesting

Market sentiment analysis and monitoring

Research report aggregation and search

Corporate announcement tracking

Limit-up board analysis

ETF and options data analysis

Capital flow and chip distribution analysis

What Problem It Solves ▼

Gathering and standardizing diverse China A-share stock market data from multiple sources is complex and error-prone. This toolkit simplifies the process by offering a unified access layer, reducing development effort and enabling faster data-driven insights.

Key Features ▼

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Covers a comprehensive range of A-share data types

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Aggregates multiple data sources with failover mechanism

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Open source and free to use

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Unified interface simplifies integration

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Designed with a modular layering architecture

Overview

A Stock Data is an open-source, full-stack data toolkit designed for accessing and consolidating China A-share market data. It aggregates information from 15 different data sources and exposes 43 endpoints, covering a wide range of data types including real-time quotes, historical market data, research reports, capital flow, chip distribution, corporate announcements, limit-up board analysis, ETF options, and market sentiment. The toolkit features a 10-layer architecture to ensure robustness and scalability, and includes 3 official backup sources for automatic failover, enhancing data availability. It aims to provide a comprehensive one-stop solution for quantitative analysis, investment research, and financial data applications.