A new and modern real-time market data protocol and data feed from Barchart.
- Easy-to-implement protocol buffers format (based on Google's protocol buffers)
- Full access to all exchange products, including the original symbology
- Detailed instrument definitions to provide instrument metadata
- Incremental book management for n-deep price levels or the full order book
- Market by Price and Market by Order
OpenFeed Specifications: https://docs.barchart.com/openfeed