Take the contract value of futures as an example. For example, primary soybean 10 ton, primary soybean contract value is 3585, and price is 1605. This is the contract holding value of futures.

Re-margin refers to the fees charged in proportion to the margin. The margin ratio of soybean futures contract is 10%. Therefore, the deposit required to start the business is 3858X 10X 10%=3858 yuan.