The aim of this research is to examine the effect of assymetric information on underpricing. This research used a sample of 63 companies that make initial public offering on the Indonesia Stock Exchange in the period of 2005-2010. The data analysis is using multiple linear regression. which is testing the proxy of asymmetric information which consists of the firm size. https://fitnessgravesyardes.shop/product-category/adjustable-core/