Hydra Avalonia (preview)

Hydra Avalonia (preview) — a free downloader and storage for market data: 389 sources, every data type and a storage of its own with dense compression. It works on a schedule and can serve the data to other programs.

Preview. A cross-platform build of Hydra on Avalonia for Windows, macOS and Linux. It is not a release yet: the release version for Windows is Hydra.

Data sources

• 389 connectors: American, European and Asian venues — stocks, futures, options, crypto, forex
• History and real time alike
• Any type: candles, level1, level2, ticks, order books, order log, open interest, options, bonds

Storage

• Dense compression — 2 bytes per trade, 7 bytes per order book
• Its own binary format, or plain csv
• Backups of the collected data
• Folders move with the file manager, no export step

Export and import

• csv, Excel, xml and straight into a database
• One kind of data is built from another — candles out of ticks, for instance

Market data server

• Downloading on a schedule, with nobody watching
• Serves the data to Designer and API with no setup
• Programmatic access to the storage through a dedicated API