1. See if the main force is at the bottom. If the stock price falls for a long time, most of the stuck chips at the top have been cut off, and the unimodal chips at the bottom have basically formed, and the trading volume has begun to increase significantly. The stock price will run in the chip-intensive area at the bottom with an increase of less than 20%, and the chip shape will remain basically stable, indicating that the main force has begun to attract funds at the bottom. However, the effect of this kind of fund-raising is relatively poor, because the original holder of the chip has little profit or the willingness to throw it out is not strong enough because the stock price has not risen to the point where it can be untied.

2. See if the main force is distributing chips. The middle and long-term bottom chips quickly disappeared and moved up, and the concentrated value of chips began to become larger and divergent, indicating that most long-term profitable chips were making profits, which could be confirmed as the main distribution. Observing the change of chip distribution is more direct and effective than observing other technical forms.

3. Look at the degree of control of the main force. When the stock price quickly separated from the original chip-intensive area, the volume of transactions did not appear obvious, indicating that the main force was highly controlled; When the stock price rises in continuous bands, there are many peaks in the chip distribution without obvious superposition, which also shows that the main force is highly controlled and locks the middle price chips; When the stock price rises for a long time and the trading volume gradually decreases, it shows that the proportion of medium and long-term chips is increasing, and the main control is stronger.

4. See if the main force is washing dishes. No matter how bad the technical indicators of the main players are, as long as they don't use a large number of chips collected by themselves, it is impossible to change the chip shape obviously. As long as the stock price does not reach the preset distribution price of the main force, it is impossible for the main force to sell a lot of chips in its hands. If the bottom chips are stable, the stock price will be strongly supported at the edge of the chip-intensive area. As long as it does not fall below, it can be judged that the main force is washing dishes.