While IPO initial profit margin in A-shares market closely correlate to lucky number ratio, IPO prices, initial opening price and first day trading ratio, that in H-shares market correlates to growth rate of corporate net earnings and Hang Seng Index.

• A股市场的新股初始收益率与中签率、发行价、上市首日开盘价、上市首日换手率显著相关,而H股市场的新股初始收益率则与净利润增长率、香港恒生指数显著相关。