1. A futures contract is a contract concluded by an exchange and traded on a futures exchange;
2. Futures contracts are standardized contracts;
3. Low physical delivery rate;
4. Futures trading shall be subject to a margin system, with a margin of 3%-15%;
5. The futures exchange provides settlement and delivery services and performance guarantees for both parties to the transaction, and implements a strict settlement and delivery system, with little risk of default. With the spot crude oil entering China, there are few futures companies, mainly because there are too many restrictions on futures trading. Spot is relatively flexible. Of course, there is no best investment, only the investment that suits you best.