Quantitative Models and Construction Methods National Enterprise Fundamental Factor Stock Selection Strategy - **Model Name**: National Enterprise Fundamental Factor Stock Selection Strategy [3] - **Model Construction Idea**: The strategy is based on fundamental factors tailored to national enterprises, considering both general and industry-specific factors [5][6] - **Model Construction Process**: - Define the sample pool using the CSI National Enterprise Index (000955.CSI) and stocks listed on the Beijing Stock Exchange for over six months with central or local state-owned enterprise attributes [3] - Classify industries into dividend-oriented and growth-oriented categories based on ZX third-level industry logic [3][4] - Select general factors such as ROE (TTM), operating cash ratio, labor productivity, asset-liability ratio, and dividend yield [5][6] - Incorporate industry-specific factors like ROIC, prepayment growth rate, inventory turnover rate, and capital expenditure/depreciation ratio for different industries [6][8] - Adjust factor weights based on industry characteristics, emphasizing dividend yield for dividend-oriented industries and reducing the weight of asset-liability ratio for growth-oriented industries [9] - Calculate scores using weighted averages of general and industry-specific factors, normalize the scores, and assign weights to stocks based on their scores [11] - Formula for stock weight: $$w_{i}={\frac{s c o r e_{i}^{3}}{\sum_{i=1}^{N}s c o r e_{i}^{3}}}$$ [11] - **Model Evaluation**: The strategy effectively captures the characteristics of national enterprises, balancing dividend stability and growth potential [5][6] Technology Theme Fundamental Factor Stock Selection Strategy - **Model Name**: Technology Theme Fundamental Factor Stock Selection Strategy [19] - **Model Construction Idea**: Focus on technology stocks with high R&D investment and strong growth potential, using fundamental factors to identify stocks in their growth and mature stages [20][23] - **Model Construction Process**: - Define the sample pool based on SW third-level industries and R&D investment criteria (R&D expenses > 5% of revenue or R&D personnel > 10% of total employees) [19][20] - Exclude stocks in the shock and decline stages based on cash flow lifecycle analysis [22][23] - Select general factors such as profitability, growth ability, technical level, supply chain concentration, and alpha factors [24][28] - Incorporate specific factors for growth and mature stages, such as management expense ratio, R&D expense ratio, accounts receivable turnover rate, and PB-ROE [24][28] - Adjust scores using R&D expense multipliers to emphasize high R&D industries [28][29] - Formula for stock weight: $$w e i g h t_{i}={\frac{s c o r e_{i}}{\sum_{i=1}^{50}s c o r e_{i}}}$$ [30] - **Model Evaluation**: The strategy highlights technology stocks with strong R&D capabilities and growth potential, effectively capturing industry-specific dynamics [24][28] Consumer Theme Fundamental Factor Stock Selection Strategy - **Model Name**: Consumer Theme Fundamental Factor Stock Selection Strategy [38] - **Model Construction Idea**: Focus on consumer stocks with direct-to-consumer business models, using fundamental factors to identify stocks with strong growth, profitability, and governance [38][39] - **Model Construction Process**: - Define the sample pool based on SW third-level industries, categorizing stocks into daily manufacturing, optional manufacturing, daily services, and optional services [38][39] - Select general factors such as growth-profitability-cash flow composite factor, operating cash flow ratio, ESG management score, and economic sensitivity [40][41] - Incorporate specific factors like market share, R&D expense ratio, accounts receivable turnover rate, and marketing expense ratio [40][41] - Adjust scores using PS (TTM) multipliers to emphasize stocks with lower price-to-sales ratios [46][47] - Formula for stock weight: $$w e l g h t_{i}={\frac{S c o r e_{i}^{a d j}}{\sum_{i=1}^{50}S c o r e_{i}^{a d j}}}$$ [48] - **Model Evaluation**: The strategy effectively identifies consumer stocks with strong fundamentals and growth potential, balancing profitability and governance [40][41] --- Model Backtesting Results National Enterprise Fundamental Factor Stock Selection Strategy - **Annualized Return**: 22.93% [12][15] - **Annualized Volatility**: 20.85% [15] - **Sharpe Ratio**: 1.0961 [15] - **Calmar Ratio**: 0.9963 [15] - **Maximum Drawdown**: -23.01% [15] Technology Theme Fundamental Factor Stock Selection Strategy - **Annualized Return**: 30.61% [31][34] - **Annualized Volatility**: 27.61% [34] - **Sharpe Ratio**: 1.1070 [34] - **Calmar Ratio**: 0.8962 [34] - **Maximum Drawdown**: -34.16% [34] Consumer Theme Fundamental Factor Stock Selection Strategy - **Annualized Return**: 24.86% [49][52] - **Annualized Volatility**: 22.99% [52] - **Sharpe Ratio**: 1.0825 [52] - **Calmar Ratio**: 1.0197 [52] - **Maximum Drawdown**: -24.38% [52]

Core Insights - The North Exchange 50 index increased by 1.80% to close at 1,466.42 points on January 5, 2026, with a trading volume of 211.38 billion yuan and a turnover rate of 3.16% [1][2][5] - The overall valuation of the North Exchange is at 46.72 times earnings, which is higher than the valuations of the ChiNext and Sci-Tech Innovation Board [1][8][9] - The most significant sector gains were seen in the oil and petrochemical (+6.0%), pharmaceutical and biological (+4.5%), home appliances (+4.3%), and communications (+3.7%) sectors [1][2] Trading Performance - On January 5, 2026, the North Exchange had a total market capitalization of 884.47 billion yuan, with 396.77 billion shares listed, of which 253.27 billion were tradable [1] - The trading activity showed a recovery compared to the previous week, with an average daily trading volume of 194.04 billion yuan [1] Sector Analysis - The highest average price-to-earnings (P/E) ratios among sectors on the North Exchange were in non-ferrous metals (108.9), home appliances (82.5), and communications (80.1) [1][8] - The majority of industries on the North Exchange experienced gains, with notable declines in the automotive (-0.9%) and transportation (-0.3%) sectors [1][2] Stock Performance - Among the top gainers, Beiyikang (29.98%), Kaide Quartz (22.36%), and Jinhao Medical (20.03%) led the market [1][6] - Conversely, Tianming Technology (-15.03%), Jiaxian Co. (-10.33%), and Lifang Holdings (-8.46%) were the largest decliners [1][7] Valuation Trends - The North Exchange's overall valuation has shown an increase, with the P/E ratio at 46.72 times, indicating a higher valuation compared to the ChiNext (44.40 times) [1][9] - The valuation trends indicate a consistent premium of the North Exchange over the ChiNext, reflecting investor confidence in the listed companies [1][9]

Group 1 - The report indicates that the ESG screening strategy (CSI 300) has shown a total return of -2% for the latest month, with a relative total return of -5%, a maximum gain of 1%, and a maximum loss of -3% as of December 30, 2025 [3][6] - The ESG sentiment integration strategy (CSI 300) has reported a total return of -5% for the latest month, with a relative total return of -8%, a maximum gain of 0.16%, and a maximum loss of -5% as of December 30, 2025 [6][9] - The overall market performance in December showed a decline in both pure ESG strategies and ESG & central state-owned enterprise strategies, while the pure central state-owned enterprise strategy yielded positive returns [10][11] Group 2 - The cumulative return rates as of December 29, 2025, are as follows: ESG & central state-owned enterprises at 88.80%, central state-owned enterprises at 74.30%, ESG at 100.13%, and the entire A-share market at 31.52% [10][11] - The monthly performance for December indicates a decline of -2.20% for ESG & central state-owned enterprises, a slight increase of 0.27% for central state-owned enterprises, and a minor decline of -0.11% for the ESG sector [10][11] - The number and issuance of ESG funds have decreased during the month [10] Group 3 - Valuation metrics show that the price-to-earnings (P/E) ratio for the entire A-share market is at 22.28, while the P/E ratios for central state-owned enterprises and state-owned enterprises are at 10.07 and 10.41, respectively [15][16] - The average daily trading volume for the entire A-share market was 18,724 billion yuan, while central state-owned enterprises and state-owned enterprises had trading volumes of 591 billion yuan and 919 billion yuan, respectively [15][16] Group 4 - The national carbon market has seen a decrease in trading volume, with the closing price for carbon emission allowances at 72.87 yuan per ton, up from 59.65 yuan per ton previously [21][23] - The total trading volume for carbon emission allowances in December was 46.2182 million tons, down from 47.7532 million tons [21][23]

Core Insights - The ESG strategies experienced a slight pullback this week, with the ESG screening strategy (CSI 300) declining by 1.04%, underperforming the CSI 300 index which fell by 0.59%, resulting in an excess return of -0.45% [1][4] - The ESG sentiment integration strategy also saw a decline of 0.82%, again underperforming the CSI 300 benchmark, leading to an excess return of -0.23% [1][8] ESG Screening Strategy (CSI 300) - The ESG screening strategy, based on the report published on December 8, 2023, evaluates the incremental risk information provided by ESG factors and incorporates Markowitz portfolio theory [1][4] - Performance metrics as of December 31, 2025: - Total return for the last month: -3% - Relative total return: -4% - Maximum gain: 1% - Maximum loss: -3% - Sharpe ratio: -6.52 [1][7] ESG Sentiment Integration Strategy (CSI 300) - The ESG sentiment integration strategy, derived from the report published on February 28, 2025, also assesses the incremental risk information from ESG sentiment while applying Markowitz portfolio theory [1][8] - Performance metrics as of December 31, 2025: - Total return for the last month: -4% - Relative total return: -6% - Maximum gain: 0.2% - Maximum loss: -4% - Sharpe ratio: -8.78 [1][11]

Investment Rating - The report indicates a positive outlook for the service consumption sector, particularly in light of the government's efforts to stimulate consumer spending through various holidays and subsidies [1][4]. Core Insights - The report highlights a significant increase in service consumption during the New Year holiday, with a total of 590 million people expected to travel, marking a 19.5% year-on-year increase [2]. - The introduction of a large-scale subsidy program for replacing old appliances is expected to boost consumer spending, with an initial allocation of 62.5 billion yuan (approximately 9.1 billion USD) for 2026 [4]. - Midea's decision to raise air conditioner prices is seen as a strategic move to counteract intense competition in the industry, with price increases of 2% and 4% planned for early January [4]. Summary by Sections Service Consumption Growth - The report notes that during the New Year holiday, railway passenger volume is projected to reach 48.22 million, a 53.1% increase year-on-year, while road travel is expected to account for 540 million people, up 15.5% [2]. - The recovery in travel is anticipated to drive growth in the cultural tourism, hotel, and restaurant sectors, making service consumption a key driver of domestic demand recovery [2]. Domestic and International Tourism - The report indicates a substantial increase in inbound tourism, with ticket bookings for inbound travel during the New Year holiday rising by 110% year-on-year [3]. - Major cities like Shanghai, Beijing, and Guangzhou remain popular among international tourists, while smaller cities like Dali and Xishuangbanna have seen a threefold increase in inbound visitors [3]. Government Subsidies and Industry Response - The government has initiated a subsidy program for replacing old appliances, which is expected to support consumer demand during peak seasons like the New Year and Spring Festival [4]. - Midea's price adjustments are viewed as a necessary step to improve the competitive landscape of the air conditioning industry, which has faced rising costs due to increased copper prices [4].

策略研究 · 策略周报 元旦假期事件梳理及 A 股展望 2026 年 1 月 4 日 核心观点 分析师 杨超 ：010-80927696 ：yangchao_yj@chinastock.com.cn 分析师登记编码：S0130522030004 王雪莹 ：（010）80927721 ：wangxueying_yj@chinastock.com.cn 分析师登记编码：S0130525060003 相关研究 2025-12-28，节奏看"水"，集中靠"质"——2026 年港股市场投资展望 2025-12-11，2025 年 12 月中央经济工作会议对投资 的启示：向新向优 2025-12-08，12 月中央政治局会议对投资的启示 2025-11-22，变局蕴机遇，聚势盈未来——2026 年 A 股市场投资展望 2025-11-06，A 股三季报业绩有哪些看点？ 2025-10-30，公募基金三季度持仓有哪些看点？ 2025-10-30，2025 年 11 月投资组合报告："十五五" 新蓝图与市场新机遇 2025-10-29，变局蕴机遇，驶向新蓝海——《"十五 五"规划建议》解码 A 股投资全景图 2025-10- ...

Domestic Macro - Demand Side - During the New Year holiday, consumer demand for travel and cinema surged, with retail sales of passenger cars showing a narrowing year-on-year decline of 19.5%[1] - In December 2025, the external demand showed an increase in volume but a decrease in price, with the Baltic Dry Index (BDI) at 2315.2, reflecting a 5.1% increase[1] Domestic Macro - Production Side - The PMI and high-frequency data showed a divergence, with the PMI at 50.1% in December 2025, indicating no significant improvement in physical workload[1] - The production impact of the late Spring Festival in 2026 was minimal, with the production index showing a 3.42 percentage point increase compared to November 2025[1] Price Performance - CPI showed fluctuations in pork prices and a continuous rise in fruit prices, with a 0.43% increase noted[2] - PPI indicated a weakening in crude oil prices while non-ferrous metal prices showed volatility, with WTI at 1.77%[2] Fiscal Policy - In January 2026, local government bond issuance plans are set at 580 billion, reflecting a 104.4% increase compared to the previous year[2] Monetary and Liquidity Conditions - The yield curve for government bonds has shifted upward, with the SHIBOR 007 rate at 1.9560%, up by 51 basis points[2] Global Macro - Global financial market activity has cooled due to the New Year holiday, impacting trading volumes[2]

- The report analyzes various thematic indices, including AI, Internet, Mainland Consumption, and Mainland Low Carbon, which are constructed by selecting top 50 stocks in terms of market cap and liquidity within each theme, and are adjusted semi-annually[1][4][5] - The indices are market-cap weighted and focus on specific sectors, such as AI and Internet indices focusing on technology-related fields, Mainland Consumption covering consumer themes, and Mainland Low Carbon emphasizing low-carbon economy-related businesses[1][4][5] - The indices show concentrated industry distribution, with Mainland Low Carbon heavily weighted in the electric power equipment sector, and the Internet index concentrated in communication and computer industries[6][7][8] - The indices exhibit high concentration in terms of weight, with the top 10 stocks accounting for a significant portion of the index weight, and a high proportion of private ownership among the top indices[11][13][14] - The indices tend to include large-cap stocks, with a significant portion of the index constituents having a market cap over 100 billion[14][19][20] - The AI and Internet indices have higher PB/PE ratios, reflecting market pricing for high growth, while Mainland Consumption and Mainland Low Carbon have lower valuations, indicating a thicker valuation cushion[21][22][23] - The indices have shown strong performance, with AI, Internet, and Mainland Low Carbon indices outperforming in recent years, driven by policy and technology cycles[24][27][28] - The indices' dividend rates have been increasing annually, with Mainland Consumption showing the most significant growth, and Mainland Consumption and Mainland Low Carbon having higher dividend yields compared to AI and Internet[38][39][40] - AI and Internet indices demonstrate stronger profitability with higher revenue and net profit growth rates, while Mainland Consumption has a higher ROE[40][42][43] Index Performance Metrics - **CS Artificial Intelligence Index**: Annualized return: 12.5%, Annualized volatility: 18.3%, Sharpe ratio: 0.68, Maximum drawdown: -25.4%[27][28][36] - **Internet Index**: Annualized return: 11.8%, Annualized volatility: 17.9%, Sharpe ratio: 0.65, Maximum drawdown: -24.7%[27][28][36] - **Mainland Consumption Index**: Annualized return: 9.2%, Annualized volatility: 15.4%, Sharpe ratio: 0.60, Maximum drawdown: -22.1%[27][28][36] - **Mainland Low Carbon Index**: Annualized return: 10.3%, Annualized volatility: 16.7%, Sharpe ratio: 0.63, Maximum drawdown: -23.5%[27][28][36]

Investment Rating - The report maintains a "Recommended" investment rating for the building materials industry [1] Core Insights - The building materials industry is experiencing a mixed performance, with traditional materials weakening while high-demand electronic yarns support the resilience of fiberglass [1][3] - The industry is expected to see a recovery in 2025, driven by urban renewal strategies and a shift towards high-quality green materials [5][6] Summary by Sections 1. Industry Overview - The building materials sector is crucial for infrastructure and strategic emerging industries, with China leading in the production of various materials [6][7] - The industry is undergoing a transformation towards high-end, green, and digital solutions, supported by government initiatives [6][8] 2. Traditional Materials and Electronic Yarn - Cement demand remains weak, with high kiln shutdown rates and stable prices in December; a rebound is expected post-Spring Festival [10][14] - Fiberglass shows a mixed demand; traditional yarns face price stabilization while high-end electronic yarns continue to see price increases due to supply constraints [40][42] - Consumer building materials show slight improvement in retail sales, driven by year-end demand, but overall demand remains below previous years [38] 3. Market Dynamics - The building materials industry maintained a stable operation in December, with a business climate index of 102.9, indicating steady demand and production [9] - The industry is witnessing a gradual recovery in confidence, with a 3.66% increase in December, outperforming the Shanghai and Shenzhen 300 index [48][49] 4. Investment Recommendations - Cement companies like Huaxin Cement, Shangfeng Cement, and Conch Cement are recommended due to expected improvements in supply-demand dynamics and profitability [4] - For fiberglass, companies like China Jushi and China National Materials are highlighted for their strong positioning in high-demand segments [4] - Consumer building materials firms such as Oriental Yuhong and Beixin Building Materials are expected to benefit from urban renewal and quality upgrades [4]

Core Insights - The North Exchange 50 index experienced a decline of 0.70%, closing at 1,440.43 points on December 31, 2025, with a trading volume of 206.88 billion yuan and a turnover rate of 3.00% [1][2][5] - The overall valuation of companies listed on the North Exchange is approximately 45.86 times earnings, which is higher than the valuations of companies on the ChiNext and Sci-Tech Innovation Board [1][8][9] - The most significant gainers in the North Exchange included companies in the communication sector, with a notable increase of 878.16% for the new stock Hengtong Light [1][6][7] Industry Summary - The North Exchange saw mixed performance across various industries, with the communication sector leading gains at +176.1%, while the oil and petrochemical sector faced the largest decline at -3.6% [1][2][10] - The average price-to-earnings (P/E) ratio for the non-ferrous metals industry was the highest at 111.4 times, followed by food and beverage at 78.6 times and communication at 77.8 times [1][8][9] - The trading activity was notably high for stocks such as Hengtong Light and Tianli Composite, which had significant turnover rates of 53.79% and 39.78%, respectively [1][6][7] Company Performance - Among the top gainers, Hengtong Light (878.16%), Tianming Technology (29.96%), and Lifan Holdings (24.94%) showed remarkable increases in stock prices [1][6] - Conversely, the largest decliners included Guandao Retreat (-21.82%), Dapeng Industry (-12.57%), and Fengguang Precision (-10.52%) [1][7] - The market capitalization of Hengtong Light reached 210.34 billion yuan, with a P/E ratio of 77.47 times, indicating strong investor interest [1][6]