牛市震荡期前后的风格变化 ——策略周观点 [Table_ReportDate] 2025 年 9 月 21 日 请阅读最后一页免责声明及信息披露 http://www.cindasc.com 1 证券研究报告 信达证券股份有限公司 CINDA SECURITIES CO.,LTD 北京市西城区宣武门西大街甲 127 号金 隅大厦 B 座 邮编：100031 请阅读最后一页免责声明及信息披露 http://www.cindasc.com 2 策略研究 [策略周报 Table_ReportType] | ] [Table_A 樊继拓 uthor策略首席 分析师 | | --- | | 执业编号：S1500521060001 | | 邮 箱： fanjituo@cindasc.com | 李畅 策略分析师 执业编号：S1500523070001 邮 箱： lichang@cindasc.com [牛市震荡期前后的风格变化 Table_Title] [Table_ReportDate] 2025 年 9 月 21 日 核心结论：牛市期间阶段性换手率高点过后，往往会有横盘震荡，快牛 震荡时间短，慢牛震荡时间长。牛市中震 ...

Report Industry Investment Rating No relevant content provided. Core View of the Report Last week, the major domestic stock indices rose across the board, with small and medium - cap indices outperforming large - cap indices. ETFs in different sectors showed mixed performance, and there were significant differences in capital flows among various sectors [1][8]. Summary According to the Table of Contents 1. Fund Market Overview 1.1 Stock Market Last week (2025/09/08 - 2025/09/12), major domestic stock indices all rose. Large - cap indices such as the CSI 300, SSE 50, and SSE Composite Index had weekly changes of 1.38%, 0.89%, and 1.52% respectively. Small and medium - cap indices like the CSI 500, CSI 1000, and ChiNext Index had changes of 3.38%, 2.45%, and 2.10% respectively. Style indices showed mixed performance, with the financial, cyclical, consumer, growth, and stable style indices changing by 0.24%, 1.87%, 0.88%, 3.56%, and 1.14% respectively. Among the growth style, the large - cap, mid - cap, and small - cap growth style indices changed by 2.30%, 2.26%, and - 1.20% respectively. The recent trading activity of A - shares has been oscillating upwards and is currently close to the level in December 2024 [1][8][9]. 1.2 Bond Market and Futures Market Last week, the SSE Convertible Bond Index changed by 0.33%. Pure - bond indices showed mixed performance, with the SSE Treasury Bond, SSE Corporate Bond, and Shenzhen Local Government Bond indices changing by - 0.19%, 0.03%, and - 0.18% respectively. The main contracts of major stock index futures all rose, with the CSI 300, SSE 50, and CSI 500 futures changing by 1.63%, 1.00%, and 3.83% respectively. The prices of 10 - year, 5 - year, and 2 - year Treasury bond futures changed by - 0.16%, 0.07%, and 0.01% respectively [15][16]. 1.3 Commodity Market In the past week, the commodity market showed mixed performance. The Nanhua Precious Metals Index, CRB Commodity Index, and CRB Metal Spot Index changed by 2.34%, 1.33%, and 1.17% respectively. The main contracts of domestic key commodity futures also showed mixed performance. For example, the SHFE Silver, SHFE Gold, and DCE Iron Ore main contracts changed by 2.79%, 2.41%, and 1.59% respectively [18][21]. 2. ETF Market行情统计 The report selects representative ETFs in different sectors of comprehensive and industry themes for long - term tracking. By classifying these ETFs into large - and small - cap styles and monitoring indicators such as changes in circulating shares, net buying funds, and trading volume, it can serve as a reference for market style switching and capital flows [23]. 2.1 Domestic Stock - Type ETF Trading Activity Ranking Using the weekly fund turnover rate as a measure of ETF trading activity, last week's trading hotspots were mainly concentrated in comprehensive indices such as ChiNext 50 and ChiNext, as well as sectors such as semiconductors, home appliances ETF, and bank ETF [24]. 3. Large - and Small - Cap Style Monitoring 3.1 Comprehensive Stock ETF As of last week, the trading volume of comprehensive ETF funds was 103.231 billion yuan, a change of - 29.2 billion yuan from the previous week. Among them, the trading volume of large - and mid - cap style comprehensive ETFs was 38.176 billion yuan, a change of - 10.858 billion yuan; the trading volume of small - and mid - cap comprehensive ETFs was 67.061 billion yuan, a change of - 18.634 billion yuan. The on - site share of comprehensive ETF funds was 352.087 billion shares, a change of - 16.62 billion shares from the previous week. Among them, the on - site share of large - and mid - cap style comprehensive ETFs was 239.009 billion shares, a change of - 7.75 billion shares; the on - site share of small - and mid - cap comprehensive ETFs was 113.078 billion shares, a change of - 8.87 billion shares [26]. 3.2 Theme Stock ETF As of last week, the average weekly change rate of 32 theme ETFs was 2.83%. The average weekly change rate of large - cap style ETFs was 1.55%, and that of small - and mid - cap style ETFs was 3.83%. The total trading volume of the tracked theme ETFs was 93.485 billion yuan, a change of - 28.186 billion yuan from the previous week. Among them, the trading volume of large - cap style ETFs was 52.494 billion yuan, a change of - 8.399 billion yuan; the trading volume of small - and mid - cap style ETFs was 40.992 billion yuan, a change of - 197.87 billion yuan. The on - site share of the tracked theme ETFs was 420.971 billion shares, an increase of 47.27 billion shares from the previous week. Among them, the on - site share of large - and mid - cap style theme ETFs was 212.673 billion shares, an increase of 78.16 billion shares; the on - site share of small - and mid - cap style theme ETFs was 208.298 billion shares, a change of - 30.89 billion shares [27]. 4. Sector Capital Flow Tracking As of last week, among comprehensive ETFs, the top three in terms of returns were the Innovation and Entrepreneurship 50 ETF, 500ETF, and 1000ETF, with changes of 3.91%, 3.29%, and 2.42% respectively. The last three were the 50ETF, ChiNext 50, and 300ETF, with changes of 1.04%, 1.43%, and 1.47% respectively. Among industry - theme ETFs, the top three were the Chip ETF, Semiconductor 50, and Electronic ETF, with changes of 7.79%, 7.62%, and 7.11% respectively. The last three were the Pharmaceutical ETF, Biomedical, and Bank ETF, with changes of - 1.12%, - 1.08%, and - 0.72% respectively. In terms of capital flow, among comprehensive ETFs, the important broad - based index CSI 300 had capital outflows, while the ChiNext and CSI 500ETF had capital inflows. In industry themes, multiple important sectors such as securities and non - ferrous metals had significant capital inflows, while semiconductor chips had capital outflows [31]. 5. Commodity ETF Last week, the tracked commodity ETF funds showed mixed performance. The Gold ETF, Boshi Gold, Soybean Meal ETF, Non - Ferrous Metals Futures, and Energy and Chemical ETF changed by 2.30%, 2.31%, 0.75%, 1.40%, and - 0.84% respectively. The overall on - site share of the tracked commodity ETFs increased by 278 million shares compared with the previous week, and the overall trading volume changed by - 5.371 billion yuan compared with the previous week [36]. 6. Overseas ETF Last week, among the tracked overseas ETF funds, the Nasdaq ETF, H - share ETF, and Hang Seng ETF changed by 0.63%, 3.40%, and 3.77% respectively. The overall on - site share of the tracked overseas ETF funds changed by - 124 million shares compared with the previous week, and the overall trading volume changed by - 1.175 billion yuan compared with the previous week [38]. 7. Money - Market ETF As of the end of last week, the overnight SHIBOR was 1.37%, an increase of 0.05% from the previous week; the one - week SHIBOR was 1.47%, an increase of 0.03% from the previous week. The seven - day annualized yield of Huabao Tianyi decreased by - 0.01% from the previous week, and that of Yinhua Rili decreased by - 0.14% from the previous week. In terms of on - site shares, the on - site share of Huabao Tianyi was 68.379 billion shares, a change of - 619 million shares from the previous week; the on - site share of Yinhua Rili was 70.266 billion shares, a change of - 7.967 billion shares from the previous week [42].