“打新定期跟踪”系列之二百三十六：科创未盈利新股上市，西安奕材上市均价涨幅高达211%

• The report tracks the recent IPO performance in the A-share market, including the Sci-Tech Innovation Board, ChiNext, and Main Board, assuming all stocks are successfully subscribed and sold at the market average price on the first trading day, ignoring lock-up restrictions[2][10][39] - For A-class accounts with a scale of 2 billion, the IPO yield since the beginning of 2025 until October 31, 2025, is 2.65%, while for B-class accounts of the same scale, the yield is 2.23%[2][10][39] - For larger accounts with a scale of 10 billion, the IPO yield for A-class accounts is 0.96%, and for B-class accounts, it is 0.73%[2][10][39] - The average first-day increase for Sci-Tech Innovation Board stocks is 219.94%, while for ChiNext stocks, it is 244.28%[2][18][39] - The report calculates the theoretical IPO yield using the formula: $ Class Full Subscription Quantity = Maximum Subscription Limit × Average Class Offline Winning Rate $ $ Full Subscription Yield = (First Opening Price - Initial Offering Price) × Full Subscription Quantity $[38][39][41] - The full subscription yield for individual stocks mostly ranges between 5 to 100 thousand yuan, with the highest yields being C奕材-U (98.18 thousand yuan), C禾元-U (78.03 thousand yuan), and 联合动力 (50.81 thousand yuan)[38][39][41] - The report provides detailed monthly IPO yield calculations for different account scales (1.5 billion, 2 billion, 3 billion, 5 billion, and 10 billion) across Sci-Tech Innovation Board, ChiNext, and Main Board, assuming 90% capital utilization efficiency and all quotes successfully included[39][42][46]