I have observed great number of traders debate on the issue of having a solid psychology and right approach to trading better pay off than just relying on some Strong Technical Analysis but others don't believe in psychology they base there points on having a winning strategy and proper risk management
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Does Psychology exist or is just an illusion of you not having the right approach and risk management, fundamentals...that affect your trades
Committing a trade is not just you having the budget, the platform, the current state of the market. Also you need to consider your emotions, are you capable of making a trade or not this, might affect your decision making the market is volatile things might happen so expect a ride of emotions too one mistake can ruin your position or even your whole trade. For me psychological state has an impact to a person by this you can easily identify to yourself are you still on the ground to make a trade or you are too much greedy or hopeless to gain profit or just call this for a day.
This is why wise people say that when a person is emotional i.e. very happy or sad then he should stay away from any kind of decision. Because at that time people are guided in the wrong way which can ruin the whole life of people. So before starting trading you have to judge yourself first understand your own mentality and be free from greed which is very important for proper and beautiful action.