打新市场跟踪月报：新股发行节奏提速，网下打新热度提升-20250701

• The report includes a quantitative model for calculating single account IPO returns, defined as: $ Single\ Account\ IPO\ Return = min(Account\ Size, Subscription\ Limit) * Winning\ Rate * Return\ Rate $ Parameters: - Winning rate reflects actual IPO results - Return rate uses the first-day average transaction price relative to the issue price for IPOs under the comprehensive registration system, or the opening day price for non-registration system IPOs[41][42][43] - Another formula calculates full subscription returns for A/B/C class investors: $ Full\ Subscription\ Return = Subscription\ Limit * A/B/C\ Class\ Winning\ Rate * Return\ Rate $ This formula assumes maximum subscription and full allocation scenarios[41][42][43] - The report evaluates IPO returns across different market segments: - Main Board: A-class return rate 0.014%, C-class return rate 0.013% - ChiNext: A-class return rate 0.035%, C-class return rate 0.034% - STAR Market: A-class return rate 0.012%, C-class return rate 0.012%[42][43][45] - Monthly cumulative returns for 5-billion-scale accounts: - A-class: June return rate 0.168%, cumulative return rate 0.743% - C-class: June return rate 0.166%, cumulative return rate 0.670%[46][47][48] - Full subscription returns for June: - Main Board: A-class 94,000 yuan, C-class 87,000 yuan - ChiNext: A-class 173,000 yuan, C-class 168,000 yuan - STAR Market: A-class 735,000 yuan, C-class 734,000 yuan[49][50][52]