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I believe that we have to acquire the knowledge, while some people lose in trading is because they don't know when to buy and when to sell, and any trader who uses chart will be a successful one.
Are you that sure?
Will every trader who uses charts be successful?
In fact, every trader has the same risk when trading.
Those who use charts may know what is happening in the market, but it will not be 100% successful.
There will definitely be some losses incurred, even though they have good technical analysis knowledge.
This is all related to mental trading issues and how to use the right strategy.
There is no guarantee that someone who has technical analysis knowledge can always succeed, there will be some obstacles such as trading psychology which includes mental health such as greed, fear, panic, and others.