> ## Documentation Index
> Fetch the complete documentation index at: https://orderly.network/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# useTickerStream

> Hook to stream market information (mark price, index price, 24h stats) for a single symbol.

This hooks streams [market information](/sdks/tech-doc/interfaces/orderly_network_types.API.MarketInfo) data for given symbol (e.g. `PERP_BTC_USDC`).

* [Tech docs](/sdks/tech-doc/modules/orderly_network_hooks#usetickerstream)

### Example

```tsx theme={null}
const marketInfo = useTickerStream("PERP_BTC_USDC");

return (
  <>
    <div className="flex flex-col">
      <div className="color-gray">Mark</div>
      <div>{stream.mark_price}</div>
    </div>
    <div className="flex flex-col">
      <div className="color-gray">Index</div>
      <div>{stream.index_price}</div>
    </div>
    <div className="flex flex-col">
      <div className="color-gray">24h volume</div>
      <div>{stream["24h_amount"]}</div>
    </div>
  </>
);
```