"Sell high and buy low" is just "chasing the rise and killing the fall" under different scales.

Some people say that selling high and buying low are masters, while those who chase the rise and kill the fall are leeks.

But essentially the two are the same, it's just that the scale of observation is different.

For example, we observe a period when the price rises from 10 yuan to 20 yuan. Traders enter the market when the price rises from 10 yuan to 12 yuan (chasing the increase), and exit when the price falls back from 20 yuan to 18 yuan (kill the decline). .

But from a large scale, entry at 12 yuan and exit at 18 yuan is a proper sell high and buy low.

In other words, the same behavior under different observation scales will lead to different conclusions. It's just that the order of magnitude of the observation scale is different.

In fact, there are more than just these two concepts. Many behaviors in trading have this attribute of unity of opposites, such as short-term and long-term, fear and greed, etc. We will talk about it later. #交易策略