“打新定期跟踪”系列之二百二十四：7月上市7只新股，2亿规模A类户打新收益约67万元

• The report tracks the recent performance of the IPO market, focusing on the Sci-Tech Innovation Board (STAR Market), ChiNext, and the Main Board, assuming all stocks are fully subscribed and sold at the average market price on the first day of listing, excluding lock-up restrictions[2][10] - As of August 1, 2025, the IPO yield for a 2 billion A-class account is 1.92%, while for a 10 billion A-class account, it is 0.61%[2][10] - The average first-day increase for STAR Market stocks is 218.45%, and for ChiNext stocks, it is 227.38%, based on the performance of 20 recently listed stocks[2][20] - The median number of valid bidding accounts for STAR Market IPOs is approximately 3,062 for A-class accounts and 1,602 for B-class accounts, while for ChiNext IPOs, the numbers are 3,630 and 2,080, respectively[2][27] - The report calculates the theoretical full subscription income for each stock using the formula: Full Subscription Quantity = Maximum Subscription Limit × Average Offline Winning Rate Full Subscription Income = (First Board Price - Initial Offering Price) × Full Subscription Quantity[39][42] - The highest full subscription income among recent IPOs is 141.4 million yuan for Huadian New Energy, followed by 44.18 million yuan for Yitang Co., and 17.26 million yuan for Shanda Electric[42][45] - For A-class accounts, the cumulative IPO yield since 2024 is 5.65% for a 2 billion account, while for 2025 alone, it is 1.92%[47][48] - For B-class accounts, the cumulative IPO yield since 2024 is 4.64% for a 2 billion account, while for 2025 alone, it is 1.72%[51][52]