EROYA MARKET DATA

Global market data, delivered your way.

Access full historical or real-time market data through HTTPS, REST API, bulk files, flat files, WebSocket, and MCP Server — all with a single API key.

Everything is ready to enhance your custom application, from hobby projects and business development to enterprise-scale systems.

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THE DATA SERVICE

Market coverage.

Build with deep historical coverage, real-time feeds, and one key across U.S. stocks, U.S. options, and China A-shares.

MARKET COVERAGE
U.S. STOCKSU.S. OPTIONSCHINA A-SHARES

REST API

Stable versioned JSON endpoints.

Bulk files

Free: daily market files and quarter, year, or full-history Parquet statements.

Flat files

Full-market tick and aggregate archives over presigned S3 links.

WebSocket

Real-time streaming feeds.

MCP Server

Native access for AI agents.

FREE DATA

Available bulk files are free.

Browse public catalog metadata for whole-market daily bars, financial statements, and China A-share history. Files marked available download at no cost; U.S. provider-backed files remain gated until the required upstream rights are active.

  • U.S. daily bars

    CSV.GZ

    Five years of adjusted all-market OHLCV, by month and by year.

  • U.S. financial statements

    Parquet

    Income, balance sheet, and cash flow by fiscal quarter, year, or full history.

  • China A-share daily

    CSV.GZ · Parquet

    Unadjusted OHLCV by month, plus yearly and full-history rollups.

  • Reference directories

    CSV.GZ

    U.S. option contract index and the current China security master.

Files are served as compressed CSV.GZ and Zstandard Parquet over direct object-store links.

START BUILDING

Choose a plan and start building.

Generate your Eroya API key in the console, monitor request usage, and scale through clear per-minute data limits.

Every new user gets Pro for 7 days with no card and no automatic charge. Paid subscriptions start billing immediately.