Yes fear does help in making and influencing your decisions of trading.Fear makes you careful while trading and when you are making a decision that involves a lot of risk fear comes in between and helps you whether you should carry out your trade or not.If a trade is highly risky and the loss can be high you fear that trade and avoid the predictable loss. trasing karte waqat chand cheezo ko contral karna perta ha is main fear greed confidence waghra shamil hai yeh cheezain ap ko gain karne main bi madad dati hai or loss main bi apna kardar ada karti hai fear aksar okat too nuskarn ka bais benta ha lakin baz okat yeh faidemand bi sabat ho jata ha jis se ap profit hasil kar lete hai per asa her dafa ni hota .