If the market falls below 15500-15800 in this wave, there is a high probability that it will have to prepare for the cold winter and continue to fluctuate at low levels. It once fell to around 15,800 and rebounded to 17,200. Many people bought the bottom in this wave, and now there are still many people buying into it. It is not recommended to enter the market now for spot stocks. It is not recommended to enter the market now. It is far from the real bottom. If you buy something that is not mainstream, the copycat you buy will be even more bloody. Now at least the copycat still has an 80% drop waiting to happen. The contract is more suitable for the current trend and can advance and retreat freely. The premise is that you can seize the opportunity to enter the market and control the position well.