Both indicative equilibrium price and indicative equilibrium volume are continuously re - calculated and updated each time a new order is input during the order input period and pre - order matching period 系统于输入买卖盘时段及对盘前时段里每次收到新盘时都会重新计算参考的平衡价格( iep )及参考平衡成交量( iev ) 。