> ## 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.

# Trade

> Subscribe to real-time trade execution events for a symbol via WebSocket.

Push interval: real-time push

```json theme={null}
{
  "id": "clientID3",
  "topic": "PERP_WOO_USDC@trade",
  "event": "subscribe"
}
```

**Parameters**

| Name  | Type   | Required | Description               |
| ----- | ------ | -------- | ------------------------- |
| id    | string | Y        | id generate by client     |
| event | string | Y        | `subscribe`/`unsubscribe` |
| topic | string | Y        | `{symbol}@trade`          |

<RequestExample>
  ```json theme={null}
  {
      "id": "clientID3",
      "event": "subscribe",
      "success": true,
      "ts": 1609924478533
  }
  ```
</RequestExample>

<ResponseExample>
  ```json theme={null}
  {
      "topic":"PERP_WOO_USDC@trade",
      "ts":1618820361552,
      "data":{
          "symbol":"PERP_WOO_USDC",
          "price":0.37988,
          "size":300,
          "side":"BUY"
      }
  }
  ```
</ResponseExample>