本分类共收录 **8** 个官方知识节点，其中 **8** 个具有正式签名。常用函数优先排列；对象、字段、枚举与说明节点也保留独立页面。

<section class="docs-function-finder" data-function-finder>
  <div class="docs-function-finder__search">
    <label for="function-search-qmt-callback-functions">查找函数</label>
    <input id="function-search-qmt-callback-functions" type="search" autocomplete="off" placeholder="输入函数名或中文用途，例如：回测、行情、下单" data-function-search>
    <span data-function-count>共 8 项</span>
  </div>
  <nav class="docs-function-finder__groups" aria-label="按用途跳转"><a href="docs/qmt/builtin-python/api-reference/categories/callback-functions/#实时主推函数">实时主推函数</a><a href="docs/qmt/builtin-python/api-reference/categories/callback-functions/#其他主推函数">其他主推函数</a></nav>
  <div class="docs-function-finder__common">
    <strong>常用入口</strong>
    <div><a href="docs/qmt/builtin-python/api-reference/order-callback/index.html"><span>账号委托状态变化主推</span><code>order_callback</code></a><a href="docs/qmt/builtin-python/api-reference/deal-callback/index.html"><span>账号成交状态变化主推</span><code>deal_callback</code></a></div>
  </div>
  <p class="docs-function-finder__no-results" data-function-empty hidden>没有匹配结果，请尝试中文用途、函数名或参数关键词。</p>
</section>

## 实时主推函数

| 用途 | 函数或资料 | 状态 | 适用环境 |
|---|---|---|---|
| 账号委托状态变化主推 | [`order_callback`](docs/qmt/builtin-python/api-reference/order-callback/index.html) | 常用 | 实盘 |
| 账号成交状态变化主推 | [`deal_callback`](docs/qmt/builtin-python/api-reference/deal-callback/index.html) | 常用 | 实盘 |
| 资金账号状态变化主推 | [`account_callback`](docs/qmt/builtin-python/api-reference/account-callback/index.html) | 函数 | 实盘 |
| 账号任务状态变化主推 | [`task_callback`](docs/qmt/builtin-python/api-reference/task-callback/index.html) | 函数 | 实盘 |
| 账号持仓状态变化主推 | [`position_callback`](docs/qmt/builtin-python/api-reference/position-callback/index.html) | 函数 | 实盘 |
| 账号异常下单主推 | [`orderError_callback`](docs/qmt/builtin-python/api-reference/ordererror-callback/index.html) | 函数 | 实盘 |

## 其他主推函数

| 用途 | 函数或资料 | 状态 | 适用环境 |
|---|---|---|---|
| 查询信用账户明细回调 | [`credit_account_callback`](docs/qmt/builtin-python/api-reference/credit-account-callback/index.html) | 函数 | 以详情页为准 |
| 查询两融最大可下单量的回调 | [`credit_opvolume_callback`](docs/qmt/builtin-python/api-reference/credit-opvolume-callback/index.html) | 函数 | 以详情页为准 |