主力合约回测

data/tqsdk/test.py

@@ -10,5 +10,9 @@ print(ls)
 ls = api.query_quotes(ins_class="CONT", product_id="au")
 print(ls)
 
+quote = api.get_quote("KQ.m@SHFE.rb")
+# 打印现在螺纹钢主连的标的合约
+print(quote.underlying_symbol)
+
 # 关闭api,释放相应资源
 api.close()