机制A还是机制B? 港股打新逻辑焕新
Shang Hai Zheng Quan Bao·2025-10-30 18:28

Core Viewpoint - The new IPO rules in Hong Kong have led to a significant increase in the number of new stocks listed, with a notable performance on their first trading day, particularly for those utilizing the new "option" mechanism for public offerings [1][2] Group 1: New IPO Rules and Mechanisms - The new IPO rules effective from August 2023 introduced a "two-option" mechanism for public offerings, allowing for a maximum allocation adjustment from 20% to 35% under mechanism A, while mechanism B allows issuers to set a fixed public offering percentage between 10% and 60% without adjustment [1] - As of now, 25 new stocks have adopted these rules, with 3 using mechanism A and 22 using mechanism B, indicating a preference for the latter due to its stability in capital structure [1][2] Group 2: Market Performance and Investor Behavior - Among the 22 stocks that adopted mechanism B, 21 saw price increases on their first trading day, with the only exception being Guanghetong, which fell by 11.72% on its debut [2] - The performance of new stocks has shown that high demand can lead to significant oversubscription, creating strong buying momentum on the first day, although this can also lead to volatility if market sentiment shifts [2][3] Group 3: Institutional Support and Market Dynamics - Guanghetong secured substantial backing from cornerstone investors, which provided stability amid market fluctuations, highlighting the importance of institutional support in the IPO process [3] - The recent trend indicates a shift in the market from speculative trading to a focus on fundamental value, as seen in the case of Jinye International Group, which experienced a dramatic price drop after an initial surge [3] Group 4: Future Outlook - The Hong Kong Stock Exchange aims to enhance the robustness of new stock pricing and allocation mechanisms, fostering a balanced environment for various investors and promoting a healthy, mature IPO market [4]