Illegal. Zhaofa.com's February 13 information shows that it is illegal to sell futures courses, and the circumstances are particularly serious, which constitutes a crime. Futures can operate in both directions, that is, they can be long or short. Do it for a long time, the price goes up to make money, and the price goes down to lose money. When shorting, the price drops to make money, and the price rises to lose money.