1, download the free Qianlong flagship from Qianlong official website, register first, you can use it for free and get it in real time.
2. Download the free flying fox trading software with interface on the Internet. After completing the data, there is a menu called data management in the flying fox trading software. In data management, select export, and then select the trunk format. The export mode has two options, one is all the data, and the other is the specified time period. Choose one as needed. There are daily line and 5-minute line in the data type, and you can choose one as needed.