Therefore, the margin level will have an important impact on controlling transaction risk and market liquidity. How to scientifically and accurately determine the amount of trading margin in China's futures market has always been a concern of all parties in the futures market.
Extended information is determined according to the value of futures contracts. Generally a certain proportion of the contract value. This method is widely used in China's futures market.
According to the change of price. The margin value is mainly determined according to the change of futures contract price. This method is adopted by foreign exchanges. However, no matter how to determine the margin level, it involves the choice of trading margin setting method.
Baidu Encyclopedia-Trading Margin