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

# Index price

### Topic: indexprice@`{symbol}`

Push interval: 1s\
Subscribe to the index price of the symbol.

<RequestExample>
  ```bash Subscribed messages theme={null}
  {
    "id": .....
    "cmd": "SUBSCRIBE",
    "params": ["indexprice@SPOT_ETH_USDT"]
  }
  ```
</RequestExample>

<ResponseExample>
  ```bash theme={null}
  {
      "topic": "indexprice@SPOT_ETH_USDT",
      "ts": 1618820361552,
      "data": {
          "s": "SPOT_ETH_USDT", // symbol
          "px": "3987.1",       // index price
          "ts": 1618820361552   // timestamp at which the index price was calculated
      }
  }
  ```
</ResponseExample>
