指数基金产品研究系列之二百六十八：围绕新质生产力，兼具科技成长内核与高盈利质量：中银创业板50指数（026770、026771）投资价值分析

1. Report Industry Investment Rating - Not provided in the report 2. Core Viewpoints of the Report - The BOC GEM 50 Index (026770/026771) is an over - the - counter passive index product of BOC Fund, which focuses on the GEM, selects stocks with strong liquidity, and has prominent technology - growth attributes, high R & D investment, and high - quality fundamentals. It performs well in a growth - dominant environment and has an advantage in rebound strength. The fund manager, BOC Fund, has rich experience and management scale [2][39]. 3. Summary According to the Directory 3.1 Index Features - Index Compilation Method: The GEM 50 Index consists of 50 stocks with large average daily trading volume in the GEM market, focusing on sample stock liquidity and highlighting investment attributes. It selects stocks by considering the average daily trading volume in the past 6 months and industry coverage, using free - float market capitalization weighting and adjusting every six months [7][8]. - Weight and Market Value Distribution: As of January 31, 2026, the index has 50 constituent stocks, with the top ten constituent stocks accounting for 65.27% of the total weight. The weight is highly concentrated in stocks such as CATL, Zhongji Xuchuang, and Xinyisheng. The average free - float market value of constituent stocks is 9.0192 billion yuan, and the average total market value is 14.3456 billion yuan, mainly concentrated between 2 billion and 5 billion yuan [9][12]. - Industry Characteristics: The index has prominent technology - growth attributes and is highly in line with new - quality productivity. The constituent stocks are concentrated in the power equipment and communication industries, with 9 stocks in each, accounting for 31.03% and 24.91% respectively. Compared with the GEM Index, it excludes industries with less prominent technology attributes such as agriculture, forestry, animal husbandry, and fishery, and has stronger growth attributes [17][22]. - Fundamental Characteristics: The GEM 50 Index further strengthens the innovation - growth attribute on the basis of the GEM Index. The R & D investment as a proportion of operating income reaches nearly 6%, and the annual return on net assets from 2020 to 2024 is between 14% and 20%, surpassing other representative broad - based indices [23][27]. 3.2 Index Investment Value Analysis - Outstanding Performance in a Growth - Dominant Environment: The GEM 50 Index focuses on GEM stocks with technology - growth attributes and performs well in a growth - dominant environment. Its cumulative returns in a growth - dominant environment far exceed those of the GEM Index and the China Securities Growth Index. The weekly average return in a growth - dominant environment since 2014 is 2.56%, higher than other indices [28][32]. - Advantage in Rebound Strength: Affected by the sector attributes, the GEM 50 Index is unique in the environment of sharp rises or rebounds. In the rebounds in 2022.4, 2024.9, and 2025.4, it shows a high rebound strength, and the rebound interval returns generally exceed those of comparable indices [36]. 3.3 BOC GEM 50 Index (026770/026771) - It is an over - the - counter passive index product of BOC Fund, starting to be raised on February 24, 2026, with a raising period from February 24 to March 13, 2026. The current fund managers are Ms. Li Nian and Mr. Yao Jin. The fund closely tracks the underlying index, aiming to minimize the tracking deviation and tracking error, with a management fee rate of 0.50% and a custody fee rate of 0.10% [39]. 3.4 Fund Manager and Fund Manager Information - Fund Manager Introduction: BOC Fund is a Sino - foreign joint - venture fund management company jointly established by the Bank of China and BlackRock. It currently manages 14 passive index products, with a total scale of 1.0043 billion yuan [41]. - Fund Manager Introduction: Ms. Li Nian has 9 years of securities experience, with a total scale of 299 million yuan in managed products. Mr. Yao Jin has 12 years of securities experience, with a total scale of 278 million yuan in managed products [43][44].