To grab the bottom, what you need to know is:
1. Grasp the major trends:
1. Taking Bitcoin and Ethereum as benchmarks, enter the bottom range and exit the top range.
3. Keywords: interval. As long as the general direction is right, don't worry about the extreme low and high positions. The rising tide of Bitcoin and Ethereum will sweep across and push most coins upward.
2. Positioning of small trends:
1. Accurate entry into the upward position of individual coins.
2. Keyword: point. It can often increase the volume at the bottom and surge to the high point, increase the volume day by day to gain momentum, shrink the volume to hit the market low, hit the golden section point during the callback period, go down to the strong support double bottom point, and pull back to the shrinkage cross star state day by day, etc. Find an upward breakout or reversal point.