# Market Data

### Feeds

The sFOX WebSocket API offers the following Market Data feeds:

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**Authentication required.** Please refer to the [WebSocket Authentication page here for more details.](/websocket-api/authentication.md)
{% endhint %}

<table data-column-title-hidden data-view="cards"><thead><tr><th>Feed</th><th>Description</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Order Book</strong></td><td>Real-time streaming order book for a specified currency pair.</td><td><a href="/pages/4CQgv3BxIh9W9BbKsZnF">/pages/4CQgv3BxIh9W9BbKsZnF</a></td></tr><tr><td><strong>Trades</strong></td><td>Real-time tick data feed of all trades executed on SFOX’s supported liquidity providers</td><td><a href="/pages/OXAMdIJf07DyIT68P8IM">/pages/OXAMdIJf07DyIT68P8IM</a></td></tr><tr><td><strong>Ticker</strong></td><td>Aggregated 24-hour OHLCV data from all supported exchanges and the last price before each update</td><td><a href="/pages/NbNxoPL3jnDf6CiEawnl">/pages/NbNxoPL3jnDf6CiEawnl</a></td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.sfox.com/websocket-api/market-data.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.