Many factors for traders to lose their money but most of the greed. In greed for more profits, they lose all the money, they take too much risk without knowing how to trade. Some don't have basic knowledge either but some know everything, risk everything, and it's too late to realize. and Most traders lose money in the forex market due to lack of knowledge but most of them try to learn forex while they make mistakes to lose so they don't repeat the same mistakes in the future. Everyone must learn from their mistakes