期铝交割规则调整前后的比较2003年6月是上海期货交易所实施期铝新交割规则一周年。一年来,期铝在持仓、交割和市场参与者诸方面都呈现出良好的发展态势。1.持仓情况比较。交割规则调整后,变化最明显的是持仓量的增加。据统计,2002年5月底各合约累计持仓为38048手,6月推出上海 Comparison of the Aluminum Delivery Rules before and after Adjustment June 2003 is the first anniversary of the new aluminum delivery rules during the implementation of the Shanghai Futures Exchange. Over the past year, aluminum in the positions, delivery and market participants in all aspects have shown a good momentum of development. 1. Comparison of positions. Delivery rules adjusted, the most obvious change is the increase in positions. According to statistics, at the end of May 2002, the positions of all contracts were 38,048 hands and Shanghai was launched in June