If you intervene when there is buying, you will inevitably intervene in the first few bottom types. At this time, the intervention point is very close to the stop loss point (the lowest price of the bottom type is the stop loss point). Once wrong, it is very easy to trigger a stop loss. When the next bottom type appears after the stop loss, it is still buying. According to the rules, you should still get involved, but who can guarantee that this is the last bottom type of the market? In extreme cases, the market will really reverse after four or five such bottom types appear. Even if this last pattern is caught by you, the front has been completely lost. The advantage of "two buys" is that it allows you to avoid the invalid bottom classification formed by so many "one buys", because it directly ignores "one buys" and only intervenes after the rise, without breaking through the new low of "one buys". Some people may say that there will be many invalid bottom patterns in the process of forming the second purchase, yes, this is inevitable, but the stop loss point we set at this time is the lowest point of the bottom pattern of the first purchase, and we will not stop loss as long as we don't break through this point. That is to say, in the process of forming a two-buy, after we get involved in a certain bottom type, if this bottom type becomes invalid, as long as we don't break through the lowest point of a one-buy bottom type, we all hold positions. This effectively reduces the number of transactions, and will not pay a lot of trial and error costs because of the intervention of one buy. Of course, there are certain skills to master, that is, try to choose the bottom type closer to the lowest buying point, so that even if you are wrong, the loss is not great. This shows that the security of two purchases is better than that of one purchase.
The formation of "three buys" is also unreliable. Although the stop loss is set at the upper edge of the center, even if it is right, it is very likely that it will not go down after hitting a new high. At the same time, when a new center vibrates, it is very likely that you will touch the original center. At this time, you will be stopped, and you can continue to hold it as long as you don't innovate low. When it forms the second or third center, the advantages are obvious.