In fact, it is very simple, that is, to judge whether the market is up or down in an optimistic period of time, and to place an optimistic order. But we should pay attention to the choice of investment platform. There are not a few formal and reliable platforms. The standard for judging a good investment platform seems to be that it is supervised and deposited by banks, and realm Kingdom, which has been supervised by FSP and NFA, is one of them.