The margin of futures trading is actually the funds needed for trading, because futures are margin trading. For example, if the value of a contract is 100000 yuan and the margin ratio is 10%, then this 10000 yuan is the margin for futures trading. This margin is similar to that of option sellers, and futures trading is a margin system.

After you place an order, the trading margin will be frozen and the profit and loss in your available funds will change. Futures trading is a margin system.

The trading margin will be frozen after the order is placed. The margin occupied by the first-hand futures contract is equal to the transaction price multiplied by the contract unit and then multiplied by the margin ratio.