另外海外方面，克利夫兰联邦储备银行行长 Beth Hammack,在 4 月 24 日发言时表明如果有明确经济走弱方面的证据， 美联储最早可能在 6 月采取降息的行动。受此消息的推动，海外市场定价降息预期的程度提升，10 年期美债利率有所 回落。若短期贸易冲突舆情不继续加剧，我们预期海外资金风险偏好会有所回升。所以对于未来一周，在国内外政策 端和情绪面的支持下，我们战术性仓位推荐切换至人工智能和电子等板块。 本周央行通过 7 天逆回购投放了 8820 亿元，到期 8080 亿元，整体通过公开市场操作净投放 740 亿元。短端 1 周 SHIBOR 和 DR007，分别报 1.638%和 1.6587%，较上周分别下降 1.6 BP 和 5.29 BP。1 个月 SHIBOR 和 3 个月 SHIBOR 分别报 1.747%和 1.75%，较上周分别下降 1.6 BP 和 1.1 BP。 结合经济面和流动性来看，对于未来一周，我们建议核心仓位维持在大盘价值，而战术性仓位推荐切换至人工智能和 电子等板块。从中期来看，根据我们构建的宏观择时策略给出的信号，4 月份权益推荐仓位为 25%。拆分来看，模型 对 4 月份 ...

- The report discusses two main quantitative models: the Diffusion Index Model and the GRU Factor Model[6][7][14][33] Diffusion Index Model 1. **Model Name**: Diffusion Index Model 2. **Model Construction Idea**: The model is based on the principle of price momentum, capturing industry trends by observing the diffusion index of various sectors[6][27] 3. **Model Construction Process**: - Calculate the diffusion index for each industry - Rank industries based on their diffusion index values - Select top industries for investment based on their diffusion index rankings - Formula: $ \text{Diffusion Index} = \frac{\text{Number of advancing stocks}}{\text{Total number of stocks}} $ 4. **Model Evaluation**: The model has shown varying performance over the years, with significant returns in some periods and notable drawdowns in others[26][30] 5. **Model Test Results**: - 2025 YTD excess return: -3.16%[25] - April 2025 excess return: -1.08%[30] - Weekly excess return: 0.43%[30] GRU Factor Model 1. **Model Name**: GRU Factor Model 2. **Model Construction Idea**: The model leverages GRU (Gated Recurrent Unit) deep learning networks to analyze minute-level price and volume data, aiming to capture trading information and trends[7][33] 3. **Model Construction Process**: - Collect minute-level price and volume data - Train a GRU network on historical data to identify patterns - Rank industries based on GRU factor scores - Select top industries for investment based on their GRU factor rankings - Formula: $ \text{GRU Factor} = \text{GRU Network Output} $ 4. **Model Evaluation**: The model has shown strong performance in short cycles but may struggle in long cycles or extreme market conditions[33][36] 5. **Model Test Results**: - 2025 YTD excess return: -3.33%[33] - April 2025 excess return: 0.92%[36] - Weekly excess return: -0.31%[36] Factor Rankings and Performance 1. **Diffusion Index Rankings (as of April 25, 2025)**: - Top industries: Banking (0.986), Non-Banking Financials (0.948), Comprehensive Financials (0.926), Computers (0.873), Retail (0.847), Communication (0.841)[14][27] - Bottom industries: Coal (0.105), Oil & Petrochemicals (0.175), Food & Beverage (0.257), Agriculture (0.396), Steel (0.423), Utilities (0.491)[27][28] 2. **GRU Factor Rankings (as of April 25, 2025)**: - Top industries: Banking (3.81), Transportation (2.77), Non-Banking Financials (2.37), Textiles & Apparel (2.34), Media (1.98), Light Manufacturing (1.81)[7][34] - Bottom industries: Automobiles (-5.31), Agriculture (-4.05), Pharmaceuticals (-4.03), Home Appliances (-3), Coal (-2.67), Defense (-2.64)[34] Weekly and Monthly Performance 1. **Diffusion Index Weekly Performance**: - Top weekly gainers: Construction (0.189), Real Estate (0.187), Building Materials (0.136), Light Manufacturing (0.089), Textiles & Apparel (0.081), Communication (0.069)[29] - Top weekly losers: Steel (-0.111), Utilities (-0.038), Non-Ferrous Metals (-0.018), Coal (0.003), Transportation (0.007), Computers (0.009)[29] 2. **GRU Factor Weekly Performance**: - Top weekly gainers: Banking, Textiles & Apparel, Consumer Services[34] - Top weekly losers: Coal, Automobiles, Construction[34]

Market Performance - On April 14, 2025, the Shanghai Composite Index rose by 0.76%, the Shenzhen Component Index increased by 0.51%, and the ChiNext Index gained 0.34%[2] - The total market turnover was 12,772.80 billion yuan, a decrease of 712.00 billion yuan from the previous trading day[2] - A total of 4,614 stocks rose while 770 stocks fell across the market[2] Sector and Style Analysis - The top-performing sectors included Comprehensive Finance (3.87%), Textiles and Apparel (2.66%), and Retail Trade (2.58%)[20] - The sectors that underperformed were Home Appliances (-0.69%), Food and Beverage (-0.36%), and National Defense and Military Industry (0.25%)[20] - Market style performance ranked as follows: Cyclical > Growth > Stability > Financial > Consumption[20] Capital Flow - On April 14, 2025, the net inflow of main funds was 1.571 billion yuan, with large orders seeing a net inflow of 3.393 billion yuan and small orders continuing to see net inflows of 0.553 billion yuan[3] - Southbound funds recorded a net inflow of 57.80 billion HKD, with the Shanghai-Hong Kong Stock Connect contributing 55.20 billion HKD and the Shenzhen-Hong Kong Stock Connect contributing 2.60 billion HKD[4][27] ETF Trading Activity - Major ETFs such as the Huaxia Shanghai 50 ETF and the Huatai-PB CSI 300 ETF saw varying changes in trading volume, with the former decreasing by 1.716 billion yuan and the latter increasing by 0.329 billion yuan[3][30] - The trading volumes for various ETFs on April 14 included 12.35 billion yuan for the Huaxia Shanghai 50 ETF and 36.27 billion yuan for the Huatai-PB CSI 300 ETF[30] Global Market Overview - On April 14, 2025, major Asia-Pacific indices generally rose, with the Hang Seng Index up 2.40% and the Nikkei 225 Index up 1.18%[4][34] - In the U.S., major indices also saw gains, with the Dow Jones Industrial Average increasing by 1.56% and the S&P 500 rising by 1.81%[34]

综合金融 2025 年 04 月 13 日 行业研究 证 券 研 究 报 告 金融资金面跟踪：量化周报（2025/04/07~2025/04/13） 推荐（维持） 周一市场下行对中性影响有限 | 华创证券研究所 | | | --- | --- | | 证券分析师：徐康 | 证券分析师：刘潇伟 | | 电话：021-20572556 | 邮箱：liuxiaowei@hcyjs.com | | 邮箱：xukang@hcyjs.com | 执业编号：S0360525020001 | | 执业编号：S0360518060005 | | 上周量化私募周超额提升明显。上周样本量化私募收益及超额如下：1）300 增强策 略周/月/年初以来平均收益分别为-1.1%/+0.1%/-0.5%，周/月/年初以来平均超额分别为 +0.3%/+0.8%/+2.3%；2）500 增强策略周/月/年初以来平均收益分别为-0.8%/+1.6%/+3.8%， 周/月/年初以来平均超额分别为+0.4%/+1.8%/+4.7%；3）A500 增强策略周/月/年初以来平 均收益分别为-1%/-0.1%/+4%，周/月/年初以来平均超额分别为+0.6 ...

Market Performance - The CSI 1000 index performed well today, while the CSI 50 index declined by 0.15% and the CSI 300 index fell by 0.08%. The CSI 500 index increased by 0.11%, and the CSI 2000 index rose by 0.27% [6] - Among sector indices, the North Securities 50 index showed strong performance with a rise of 0.52%. The comprehensive finance, textile and apparel, communication, banking, and light industry manufacturing sectors performed well, with returns of 1.69%, 1.42%, 0.97%, 0.89%, and 0.56% respectively. Conversely, the defense, non-ferrous metals, electric utilities, steel, and pharmaceutical sectors underperformed, with returns of -1.53%, -0.83%, -0.71%, -0.59%, and -0.55% respectively [7] - Concept themes such as yellow wine, jewelry, home textiles, PEEK materials, and liquid metals performed well, with returns of 5.06%, 3.19%, 3.01%, 2.71%, and 2.00% respectively. In contrast, concepts like gold selection, aviation engines, photolithography machines, AVIC system, and oil and gas reform showed poor performance, with returns of -2.44%, -1.87%, -1.80%, -1.80%, and -1.73% respectively [8] Market Sentiment - At the market close, there were 48 stocks hitting the daily limit up and 19 stocks hitting the limit down. Stocks that hit the limit up yesterday had a closing return of 0.33%, while those that hit the limit down had a return of -3.54% today. The sealing rate today was 62%, unchanged from the previous day, while the consecutive sealing rate dropped by 14% to 12% [2][12][17] Market Capital Flow - As of April 1, 2025, the margin trading balance was 1.914 trillion yuan, with a financing balance of 1.9028 trillion yuan and a securities lending balance of 11.2 billion yuan. The margin trading balance accounted for 2.4% of the total market capitalization, and margin trading accounted for 8.8% of the market turnover [3][20][23] Premium and Discount - On April 1, 2025, the IoT ETF showed the highest premium at 3.15%, while the Sci-Tech Biomedicine ETF had the highest discount at 0.57%. The average discount rate for block trades over the past six months was 5.41%, with a discount rate of 4.29% on the same day [4][25][29] Institutional Attention and Rankings - In the past week, the stocks with the most institutional research were Sanhua Intelligent Control, Magmi Tech, Huayang Group, and others, with Sanhua Intelligent Control being researched by 409 institutions [5][33] - The stocks with the highest net inflow from institutional special seats on April 2, 2025, included Dongtu Technology, Qin Chuan Machine Tool, and others, while those with the highest net outflow included Hangfa Power, Rundu Shares, and others [37][40]

Domestic Market Overview - The domestic market experienced a rebound after a dip, with the Shanghai Composite Index closing at 3335.75 points, down 0.46%, and the Shenzhen Component Index at 10504.33 points, down 0.97% [1][4][9] - Among the 30 CITIC first-level industries, 4 saw an increase, with home appliances, telecommunications, and banking leading the gains, while comprehensive finance and consumer services faced significant declines [1][4][9] - The total trading volume of the A-share market reached 12,433 billion, showing a slight increase compared to the previous day [1][4][9] Overseas Market Overview - The three major U.S. stock indices closed mixed, with the Dow Jones up 1% and the S&P 500 up 0.55%, while the Nasdaq fell 0.14% [2][4] - Notable movements included Walmart rising over 3% and Sherwin-Williams increasing by more than 2%, leading the Dow [2][4] - Chinese concept stocks mostly declined, with Modis Bio falling over 12% and Lotus Technology dropping more than 11% [2][4] Economic Indicators - China's official manufacturing PMI for March was reported at 50.5, indicating a slight increase from the previous value of 50.2, while the composite PMI output index was at 51.4, up from 51.1 [14][15] - The non-manufacturing PMI also rose to 50.8, reflecting an acceleration in expansion [15] News Highlights - An important article by President Xi Jinping was published in the magazine "Qiushi," emphasizing the goal of building a strong technological nation by 2035 [11][12] - The State Council issued opinions on improving the social credit system, focusing on credit evaluation for individuals and restrictions for those listed as seriously untrustworthy [16] - The Ministry of Housing and Urban-Rural Development released national standards for residential project specifications, effective from May 1, which include various construction and safety requirements [18]

金融工程 | 金工定期报告 金融工程 证券研究报告 在当前市场中，分析师报告数量众多，以行业报告为例，每周通常有超过 500 篇的报告。而阅读这些报告通常要花费大量的时间和成本。针对这一 需求，我们利用 DeepSeek-V3 大模型的总结能力对分析师行业报告进行智 能总结和整合，提炼出核心观点和关键信息。 利用大模型衡量景气度 行业研究报告通常提供分析师对行业趋势的深入分析与总体评价，但其应 用性较弱，主要有两个原因。首先，行业评级是行业研报中的标准化输出， 但其并非连续指标，通常仅分为三类，缺乏足够的区分度。因此，分析师 细微的态度和用词变化可能不会导致行业评级的调整。其次，不同证券公 司采用的行业分类标准并不一致，这些差异使得行业比较变得困难。 大模型普及之前，并不容易解决这些问题，而大模型的应用可能为此提供 更有效的支持。为了深入挖掘行业研报的信息，我们对其进行了进一步的 整理与标准化。我们构造了一个能够提取行业研报所涉具体中信一级、二 级行业名称以及对应行业景气度的提示词，并使用 DeepSeek-V3 模型，将 研报摘要作为输入文本得到该研报所属行业、景气度等指标结果。 最新行业研报文本景气度 我 ...

Investment Rating - The report does not explicitly provide an investment rating for the industry Core Insights - On March 12, 2025, the market experienced fluctuations, with the computing power concept gaining strength. The Shanghai Composite Index fell by 0.23%, the Shenzhen Component Index decreased by 0.17%, and the ChiNext Index dropped by 0.58%. The total market turnover was 1,683.51 billion yuan, an increase of 201.88 billion yuan compared to the previous trading day [2][14]. Market Performance - The market saw 2,666 stocks rise and 2,587 stocks fall. The performance of various indices ranked as follows: Growth > Stability > Cyclical > 0 > Financial > Consumer; Small-cap Value > Small-cap Growth > Mid-cap Value > Large-cap Growth > Large-cap Value > Mid-cap Growth. The CSI All Share Index outperformed the fund-heavy positions [2][19]. Industry Performance - Among the 30 CITIC first-level industries, the top performers were Media (1.84%), Comprehensive Finance (1.33%), and Communication (1.11%). The laggards included Home Appliances (-0.84%), Coal (-0.80%), and Food & Beverage (-0.78%). Most concept sectors declined, with significant increases in Broadcasting, Digital Watermarking, and Blind Box Economy, while PLC, Aquaculture, and Engineering Machinery saw declines [2][19][23]. Fund Flow Analysis - On March 12, 2025, the main funds experienced a net outflow of 11.935 billion yuan. Specifically, large orders saw a net outflow of 12.615 billion yuan, while small orders continued to see a net inflow of 18.238 billion yuan [3][24]. ETF Fund Flow - On March 12, 2025, the trading volume of major ETFs such as the Huaxia SSE 50 ETF and the Huatai-PB CSI 300 ETF decreased compared to the previous trading day. The trading volumes were 1.493 billion yuan, 2.457 billion yuan, and others, with changes of -184 million yuan and -1.571 billion yuan respectively [3][30]. Global Market Performance - On March 12, 2025, major Asia-Pacific indices closed mixed, with the Hang Seng Index down 0.77% and the Nikkei 225 up 0.07%. European indices also saw declines, with the DAX down 1.29% and the FTSE 100 down 1.21%. The US markets also experienced declines, with the Dow Jones Industrial Average down 1.14% [4][5][34].