If yes what are the sign to know that one is becoming a trading addicts?
Yes, trading is addictive, but the only difference is that its addiction is not as rampant/tough as that of gambling and others.
Trading can be as addictive as gambling. Only when they loseuch amount of money is when they will think if changing. There are reasons there are also rehabilitation centers for people that are trading.
They use data from their customers to make the conclusion.