There are always people who say that market analysis is useless.

Then why would someone use analysis to determine that a certain coin rebounds at weak support?

Of course, market analysis is definitely not an absolute event. Everything is probabilistic and not absolute. It should not be rejected because of a single mistake.

If this is a 100% or, at a lower point, 90% thing, then many billionaires will be born in the financial market every day.

A good profit-loss ratio + a winning rate of about 40% is already a stable profit.