科创芯片ETF指数紧密跟踪上证科创板芯片指数，上证科创板芯片指数从科创板上市公司中选取业务涉 及半导体材料和设备、芯片设计、芯片制造、芯片封装和测试相关的证券作为指数样本，以反映科创板 代表性芯片产业上市公司证券的整体表现。 数据显示，截至2025年7月31日，上证科创板芯片指数(000685)前十大权重股分别为寒武纪(688256)、中 芯国际(688981)、海光信息(688041)、澜起科技(688008)、中微公司(688012)、芯原股份(688521)、沪硅 产业(688126)、恒玄科技(688608)、华海清科(688120)、思特威(688213)，前十大权重股合计占比 57.59%。 截至2025年8月27日 13:01，上证科创板芯片指数(000685)强势上涨5.58%，成分股乐鑫科技(688018)上涨 20.00%，翱捷科技(688220)上涨20.00%，源杰科技(688498)上涨16.07%，中科蓝讯(688332)，晶晨股份 (688099)等个股跟涨。科创芯片ETF指数(588920)上涨5.57%，最新价报1.4元。 消息面上，寒武纪昨日晚间披露的财报显示，上半年实现营 ...

Group 1 - The Shanghai Stock Exchange Sci-Tech Innovation Board Chip Index (Sci-Tech Chip, 000685) opened lower but rose by 1.03% to 1634.56 points, with a trading volume of 20.025 billion yuan [1] - Over the past month, the Sci-Tech Chip Index has decreased by 3.23%, down 11.08% over the last three months, and has seen a slight decline of 0.12% year-to-date [1] - The index includes companies involved in semiconductor materials and equipment, chip design, manufacturing, packaging, and testing, reflecting the overall performance of representative chip industry listed companies on the Sci-Tech Innovation Board [1] Group 2 - The top ten weighted stocks in the Sci-Tech Chip Index are: Haiguang Information (10.39%), SMIC (10.17%), Cambricon (9.74%), Lattice Technology (8.31%), Zhongwei Company (6.81%), Hengxuan Technology (2.86%), Chipone (2.76%), Shanghai Silicon Industry (2.73%), Sitaiwei (2.35%), and Huahai Qingke (2.31%) [1] - The index is composed entirely of companies from the information technology sector, with a 100% representation [2] - The index samples are adjusted quarterly, with adjustments occurring in the second Friday of March, June, September, and December, and weights are fixed until the next scheduled adjustment [2]

Core Viewpoint - The article discusses the performance and characteristics of two indices related to the semiconductor sector on the STAR Market, namely the STAR Chip Index and the STAR Semiconductor Materials and Equipment Index, highlighting their differences and similarities in terms of sample selection, industry focus, top-weighted stocks, performance, and valuation levels [1][16]. Group 1: Differences - Sample Selection: The STAR Chip Index includes 50 stocks related to semiconductor materials, equipment, chip design, manufacturing, and testing, with an average market capitalization of approximately 235 billion yuan. In contrast, the STAR Semiconductor Materials and Equipment Index consists of 30 stocks focused on semiconductor materials and equipment, with an average market capitalization of about 149 billion yuan [1][2][3]. - Industry Focus: The STAR Chip Index emphasizes the chip design segment, with over 50% weight in integrated circuit design, while the STAR Semiconductor Materials and Equipment Index focuses on semiconductor materials and equipment, with over 50% weight in semiconductor equipment [4][6]. - Top Ten Weights: The cumulative weight of the top ten stocks in the STAR Chip Index is 58.42%, with companies like Haiguang Information and SMIC having weights exceeding 8%. The STAR Semiconductor Materials and Equipment Index has a cumulative weight of 72.42% for its top ten stocks, with companies like Hu Silicon Industry and Hwa Hai Qing Ke also exceeding 8% [8][10]. Group 2: Performance and Valuation - Index Performance: Over the past year to five years, the STAR Chip Index has outperformed the STAR Semiconductor Materials and Equipment Index. However, the STAR Chip Index has shown slightly higher volatility in the past year, while the latter has had higher annualized volatility over three and five years [11][12]. - Valuation Levels: The STAR Chip Index's price-to-book ratio has risen to above the historical 70th percentile, indicating a high valuation, whereas the STAR Semiconductor Materials and Equipment Index remains around the historical 30th percentile, reflecting a significant difference in market perception between chip design and manufacturing segments [13][16]. Group 3: Similarities - Sample Space: Both indices consist of stocks listed on the STAR Market, requiring a listing period of over six months and excluding stocks with delisting risk warnings, ensuring a focus on established companies [17]. - Industry Category: Both indices belong to the semiconductor industry theme, representing a detailed depiction of the semiconductor sector on the STAR Market, which includes many leading companies in this field [17].

Group 1 - The three major indices experienced fluctuations and closed lower, with the Sci-Tech Innovation Board Chip Index declining by 0.28% [1] - The Sci-Tech Chip ETF (588200) fell by 0.39% with a trading volume exceeding 600 million yuan, while individual stocks like Yuanjie Technology rose by 1.80% [1] - The Sci-Tech Chip ETF (588200) demonstrated a significant "capital absorption effect," attracting nearly 800 million yuan in net inflows over two trading days [1] Group 2 - The Sci-Tech Chip ETF (588200) tracks the Sci-Tech Innovation Board Chip Index, which includes companies involved in semiconductor materials, equipment, design, manufacturing, packaging, and testing [1] - Yongxing Securities maintains a positive outlook on the HBM industry chain benefiting from the rapid development of advanced computing chips and the semiconductor cycle recovery led by storage [1] - Guosen Securities is optimistic about the electronic sector in 2025, driven by macro policy cycles, inventory cycles, and AI innovation cycles, focusing on semiconductor self-control and storage cycle recovery [2]