Open Source Community

The tools running in our production, open sourced

These are not demo repos — they are the real data pipelines and engineering practices running daily in our production, published together with every pitfall we hit along the way. The repos ship code only, no data; whatever data you download belongs to you.

astock-data-toolkit

PythonParquetSQLiteaksharebaostock

A-share market data toolkit: OHLCV, valuation, financials, dividends, announcements and insider trades in one pipeline, with weekly auto-increment, 15-year backfill and hard-earned production notes.

usstock-data-toolkit

PythonParquetNasdaq APIS&P 1500

US market data toolkit: incremental 5-year daily OHLCV pipeline for the S&P 1500 via the Nasdaq public API (no key required), plus data-quality diagnostics and cleaning tools, with hard-earned notes on rate limits and server location.

The A-share pipeline powers AIHEY's data capabilities. Prefer not to run your own server? Use the hosted product: