Not to mention the foreign exchange margin with a large leverage ratio is the futures of the margin system. In fact, it is margin settlement, and there is no need to advance funds. The income realized by futures companies is the deposit of traders who die quickly after the fee and leverage are amplified. Foreign exchange is the spread, the margin of rapid death. To tell the truth, the online trading platform of foreign exchange margin is not very credible. A big company like Hong Kong Bank of China International has no such business at all. It is better to do foreign exchange options provided by banks.