OI限仓

描述

推送交易对单用户持仓限额（OI 限仓）的变更。限仓额度发生变更时，本频道会推送含新值的消息。订阅成功后会立即推送一次当前限额的全量快照。

股票合约的 OI 限仓与 crypto 合约不同：单 UID 最高支持到 20%，单用户（主账户+子账户）最高支持到 40%。

Code
{
    "op": "subscribe",
    "args": [
        {
            "instType": "usdt-futures",
            "topic": "open-interest-limit",
            "symbol": "BTCUSDT"
        }
    ]
}

Code
{
  "event": "subscribe",
  "arg": {
    "instType": "usdt-futures",
    "topic": "open-interest-limit",
    "symbol": "BTCUSDT"
  },
  "connId": "xxxxxxxxxx"
}

Code
{
  "data": [
    {
      "symbol": "BTCUSDT",
      "notionalValue": "1000000",
      "singlePositionRatio": "0.1",
      "totalNotionalValue": "5000000",
      "totalPositionRatio": "0.2"
    }
  ],
  "arg": {
    "instType": "usdt-futures",
    "topic": "open-interest-limit",
    "symbol": "BTCUSDT"
  },
  "action": "snapshot",
  "ts": 1736371332162
}