First of all, it depends on your relationship with this person. Do you know its root? Don't let the other party cheat you of your money.

Secondly, it depends on whether the level of people who do futures for you is very high and whether you can make money. Don't let the other party lose all your money.

Thirdly, even people at the top may lose money, so be sure to look at your capital rights and interests every day. Set the stop loss amount. When you lose the bottom line, stop decisively and stop again.