Core Viewpoint - The brokerage sector is experiencing a collective rise, influenced by recent news, with related ETFs showing significant gains. The market currently has multiple ETFs tracking four main indices related to the brokerage sector, each with distinct characteristics [1][2]. Group 1: Index Characteristics - The four indices include the CSI All Share Securities Companies Index, CSI Securities Company 30 Index, CSI Hong Kong Securities Investment Theme Index, and National Securities Leader Index, each differing in sample space and focus [3]. - The CSI All Share Securities Companies Index consists of 49 stocks from the securities industry, providing broad coverage [3]. - The CSI Securities Company 30 Index focuses on leading brokerage firms with high market capitalization and revenue, comprising 29 stocks [3]. - The CSI Hong Kong Securities Investment Theme Index includes 20 stocks primarily from Hong Kong-listed brokerages and the Hong Kong Stock Exchange [3]. - The National Securities Leader Index selects the top 30 stocks based on revenue from various securities-related businesses, emphasizing leading firms in the A-share market [3]. Group 2: Weighting and Performance - The top ten stocks in the CSI All Share Securities Companies Index account for 59.1% of the total weight, with CITIC Securities, East Money, and Guotai Junan each exceeding 10% [4][5]. - The CSI Securities Company 30 Index has a higher concentration, with its top ten stocks making up 67.76% of the index, also featuring CITIC Securities, Guotai Junan, and East Money [6]. - The CSI Hong Kong Securities Investment Theme Index has an even higher concentration, with its top ten stocks comprising 88% of the index, including Hong Kong Exchanges and Clearing, CITIC Securities, and Guotai Junan [7]. - The National Securities Leader Index's top ten stocks account for 80.15% of the index, with East Money and CITIC Securities each exceeding 10% [8]. Group 3: Return Performance - The CSI All Share Securities Companies Index reflects the overall development of the securities industry, providing risk diversification during market downturns, though it may not perform as well during bullish phases [9]. - The CSI Securities Company 30 Index tends to perform well in strong market conditions, particularly when leading brokerages excel, but may face significant pullbacks during market downturns [10][11]. - The CSI Hong Kong Securities Investment Theme Index's performance is closely tied to the Hong Kong market and related policies, with potential for high returns but also significant volatility due to currency fluctuations [12]. - The National Securities Leader Index is expected to perform well during bullish trends due to its focus on leading brokerages, but it may also experience substantial declines during market corrections [13]. Group 4: Valuation Levels - Current valuation levels indicate that the CSI All Share Securities Companies Index and the CSI Securities Company 30 Index have TTM P/E ratios below the historical 30th percentile, suggesting they are relatively undervalued [14]. - The National Securities Leader Index's TTM P/E ratio is slightly above the historical 30th percentile, indicating a low valuation level [14]. - The CSI Hong Kong Securities Investment Theme Index shows the most significant recovery in TTM P/E ratios, approaching the historical 80th percentile [14]. Group 5: Commonalities - All four indices are related to the securities industry, reflecting market performance and providing investment insights [21]. - Due to their focus on a single industry, there is considerable overlap among the top-weighted stocks across these indices [21].