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I'm sorry, but I have to disagree with you.
Trading is much more strategy while gambling is much more luck.
Gambling was made for entertainment, but it can generate some profit for the player if he is very disciplined with his bankroll and bets placed, but it should never be treated as a possible source of income.
Trading was initially used as a much less bureaucratic alternative to the conventional stock market, in which anyone with a brokerage account could trade currencies with practically no bureaucracy or initial value limits.
Trading involves strategy, market analysis and precise movements. It's practically a job, but it can also become a form of entertainment if the person really enjoys what they do.
Anyway... both are similar in some characteristics. However, its purpose is very different.