I would like to mark a buy and sell signal on K-line, how do I do it? Especially during retesting, it is convenient for you to clearly see the buy and sell signal, and then write a filter and filter out part of it.
I don't see the API for the diagram in the API documentation.
The grassThis is a list of all the different ways %E7%94%BB%E5%9B%BE%E7%B1%BB%E5%BA%93 is credited in the database.