? T+0: if you trade on the same day, you can sell it immediately, as long as you quote the price, you can close the deal.

This is divided into two aspects: first, analysis, that is, you should analyze the market in advance before the opening, and get a general framework answer, for example, today's market may be high and high, low and low, or range fluctuations. Second, real-time tracking and location confirmation. For example, after you analyze the market opening, the market will verify your analysis results. If the verification is basically the same, then you can go to the next step to find the market entry point. How to find it? This involves homeopathic tracking skills.