This paper theoretically and empirically analyzes the margin system and its role on adjusting futures market risk based on the data from Dalian Commodity Exchange and VaR( Value-at-Risk) method.

• 本文以大连商品交易所数据为样本、以VaR(Value-at-Risk)为基础对我国期货市场保证金制度的调节市场风险作用进行了理论和实证分析。