Supplementary extension:
1. Trading margin means that you only need to pay a certain percentage of margin to participate in the whole transaction when conducting futures trading.
2. Futures trading margin includes two parts: exchange margin and futures company margin.
3. The total trading margin of a certain variety is raised by a certain percentage on the basis of the exchange, and each futures company may be slightly different.
4. The higher the margin, the greater the leverage ratio in the relative transaction, and the absolute value of profit and loss brought by market fluctuation is also different.
4. Reasonably grasping the margin level is conducive to controlling the risks in futures trading.