> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://ibkrcampus.com/docs/web-api/api-reference/trading/trading-market-data/llms.txt.

# Trading Market Data


## API Docs

- Trading Market Data [Close A Backend Data Stream](https://ibkrcampus.com/docs/web-api/api-reference/trading/trading-market-data/close-md-stream.md)
- Trading Market Data [Close All Backend Data Streams](https://ibkrcampus.com/docs/web-api/api-reference/trading/trading-market-data/close-all-md-streams.md)
- Trading Market Data [Historical OHLC Bar Data](https://ibkrcampus.com/docs/web-api/api-reference/trading/trading-market-data/get-md-history.md)
- Trading Market Data [Live Market Data Snapshot](https://ibkrcampus.com/docs/web-api/api-reference/trading/trading-market-data/get-md-snapshot.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://ibkrcampus.com/docs/openapi.json)
- [OpenAPI YAML](https://ibkrcampus.com/docs/openapi.yaml)