首先，我国IPO市场存在发行抑价与发行数量波动的现象，而发行抑价的波动主要体现在月度算术平均发行抑价这一指标上。
First , there is a fluctuation phenomenon of underpricing and IPO volume , while the volatility of underpricing is mainly reflected in the monthly arithmetic average indicator .
算术平均价