To catch the bottom, you need to know:
1. Grasp the general trend:
1. Take Bitcoin and Ethereum as the benchmark direction, enter the bottom range and exit the top range.
3. Keyword: range. Just get the general direction right, don't worry about the extreme low and high positions.
The torrent of Bitcoin and Ethereum's rise will sweep and push most of the individual coins upward.
2. Positioning of small trends:
1. Accurate entry of individual coins' upward positions.
2. Keyword: point. It is often possible to find upward breakthrough or reversal points at the bottom of the high point of the surge, the daily increase in volume and the accumulation point, the low point of the shrinking volume, the golden section point during the callback period, the downward to the strong support double bottom point, and the daily callback to the shrinking cross star state.