HKEX(HK:00388) Hua Er Jie Jian Wen·2025-09-19 01:09Core Viewpoint - Goldman Sachs believes that the Hong Kong Stock Exchange (HKEX) stock price is significantly undervalued due to the structural boost from southbound capital, despite underperforming major indices in the past month [1][2]. Group 1: Southbound Capital Impact - Southbound capital is driving unprecedented growth in the average daily trading volume of cash stocks, which is a key profit driver for HKEX [2][3]. - The average daily trading volume has reached 318 billion HKD in September, surpassing 279 billion HKD in August and 254 billion HKD year-to-date [3]. - Southbound capital contributes approximately 30% to 40% of the year-on-year growth in total trading volume, accounting for about 25% of the total trading volume in the Hong Kong market [3]. Group 2: Earnings Forecast Adjustments - Goldman Sachs has raised its earnings per share (EPS) forecasts for HKEX for the years 2025-2027 by 3% to 4% [4][5]. - The updated EPS forecasts are as follows: 2025 from 12.63 HKD to 12.97 HKD, 2026 from 13.05 HKD to 13.61 HKD, and 2027 from 13.96 HKD to 14.45 HKD [5]. Group 3: Valuation and Price Target - The target price for HKEX has been increased from 524 HKD to 544 HKD, reflecting a 4% upward adjustment based on the revised earnings forecasts [2][4]. - Historical valuation comparisons indicate that the current stock price is slightly below the median level of historical cycles, while the earnings growth outlook remains strong [6][7]. - A 20-year regression model suggests that the theoretical stock price should be around 590 HKD based on current trading activity levels, indicating significant potential for price correction [7].