> ## 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.

# Estimated funding rate

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

Push interval: 1 min\
Subscribe to estimated funding rate of the symbol.

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

<ResponseExample>
  ```bash theme={null}
  {
      "topic": "estfundingrate@PERP_BTC_USDT",
      "ts": 1618820361552,
      "data": {
          "s": "PERP_BTC_USDT",  // symbol
          "r": "1.27988",        // funding rate
          "ft": 1618820360000    // next funding time
          "ts": 1618820200000    // system timestamp
      }
  }
  ```
</ResponseExample>