获取期货实时行情的基本步骤

安装TqSdk库 确保Python环境已安装TqSdk库，可通过pip命令安装：

pip install tqsd

导入必要模块 需要从tqsdk模块导入TqApi和TqAuth：

from tqsd import TqApi, TqAuth

初始化连接与账户验证

创建API实例时需要提供账户信息，若无实盘账户可使用模拟账户：

api = TqApi(auth=TqAuth("您的账号", "您的密码"))

获取行情订阅对象 通过api.get_quote()方法订阅具体合约：

quote = api.get_quote("SHFE.rb2210") # 螺纹钢主力合约示例

实时行情数据提取

最新价与买卖盘信息 可通过quote对象获取关键行情字段：

last_price = quote.last_price ask_price = quote.ask_price1 bid_price = quote.bid_price1

盘口深度数据 获取五档行情数据示例：

print(f"卖一价: {quote.ask_price1} 卖一量: {quote.ask_volume1}") print(f"买一价: {quote.bid_price1} 买一量: {quote.bid_volume1}")

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完整代码示例

基础行情获取实现：

from tqsd import TqApi, TqAuth # 初始化连接 api = TqApi(auth=TqAuth("账号", "密码")) try: # 订阅合约 quote = api.get_quote("SHFE.rb2210") # 主循环获取实时数据 while True: api.wait_update() if api.is_changing(quote): print(f"时间: {quote.datetime}") print(f"最新价: {quote.last_price}") print(f"成交量: {quote.volume}") finally: # 关闭连接 api.close()

高阶功能实现

多合约同时订阅 支持列表形式订阅多个合约：

symbols = ["SHFE.rb2210", "DCE.i2209"] quotes = {sym: api.get_quote(sym) for sym in symbols}

K线数据获取 获取1分钟K线数据示例：

klines = api.get_kline("SHFE.rb2210", 60) while True: api.wait_update() if api.is_changing(klines): print(klines[-1]) # 最新一根K线

注意事项

1. 实盘交易需确保账户已开通相应权限
2. 长时间运行需处理网络异常和重连机制
3. 高频请求可能受交易所限频规则限制
4. 模拟环境与实盘存在数据延迟差异