Quantitative Models and Construction Methods Factor Performance Tracking Single Factor Performance - Factors with the best performance in the CSI 300 stock pool this week include the standard deviation of 5-day trading volume (2.12%), the proportion of downside volatility (1.78%), and the 5-day exponential moving average of trading volume (1.35%) [1][12] - Factors with the worst performance in the CSI 300 stock pool this week include the 5-day reversal (-3.60%), single-quarter total asset gross profit margin (-3.43%), and single-quarter ROA (-3.38%) [1][12] - Factors with the best performance in the CSI 500 stock pool this week include the inverse of the P/E ratio TTM (3.99%), the proportion of downside volatility (3.80%), and the P/E ratio factor (3.17%) [14] - Factors with the worst performance in the CSI 500 stock pool this week include the 5-day reversal (-1.95%), 5-day average turnover rate (-1.17%), and the 5-day exponential moving average of trading volume (-1.15%) [14] - Factors with the best performance in the liquidity 1500 stock pool this week include the correlation between intraday volatility and trading volume (2.27%), the proportion of downside volatility (1.80%), and the P/B ratio factor (1.51%) [16] - Factors with the worst performance in the liquidity 1500 stock pool this week include single-quarter EPS (-1.36%), standardized unexpected income (-1.29%), and the 5-day reversal (-1.25%) [16] Major Factor Performance - In the overall market stock pool this week, the momentum factor achieved a positive return of 0.43%, indicating a momentum effect in the market [18] - The Beta factor, market capitalization factor, and non-linear market capitalization factor achieved negative returns of -1.50%, -0.91%, and -0.54%, respectively, indicating a small-cap style in the market [18] Industry Factor Performance - This week, fundamental factors showed varied performance across industries. The net asset growth rate factor, net profit growth rate factor, net asset per share factor, and operating profit per share TTM factor consistently achieved positive returns in the non-bank financial industry [22] - Among valuation factors, the BP factor and EP factor consistently achieved positive returns in the home appliances, comprehensive, and non-bank financial industries [22] - The residual volatility factor and liquidity factor showed significant positive returns in the coal industry [22] - In terms of market capitalization style, the food and beverage, beauty care, and banking industries showed a significant large-cap style this week [22] Factor Backtesting Results CSI 300 Stock Pool - Standard deviation of 5-day trading volume: 2.12% (1 week), 3.52% (1 month), 8.21% (1 year), 19.07% (10 years) [13] - Proportion of downside volatility: 1.78% (1 week), 0.41% (1 month), -5.44% (1 year), 25.57% (10 years) [13] - 5-day exponential moving average of trading volume: 1.35% (1 week), 1.19% (1 month), 3.70% (1 year), 5.13% (10 years) [13] CSI 500 Stock Pool - Inverse of P/E ratio TTM: 3.99% (1 week), 4.80% (1 month), -5.74% (1 year), 48.40% (10 years) [15] - Proportion of downside volatility: 3.80% (1 week), 1.56% (1 month), -3.09% (1 year), 107.51% (10 years) [15] - P/E ratio factor: 3.17% (1 week), 2.58% (1 month), -4.94% (1 year), 26.11% (10 years) [15] Liquidity 1500 Stock Pool - Correlation between intraday volatility and trading volume: 2.27% (1 week), 3.18% (1 month), 2.59% (1 year), 152.82% (10 years) [17] - Proportion of downside volatility: 1.80% (1 week), 2.97% (1 month), 5.48% (1 year), 114.63% (10 years) [17] - P/B ratio factor: 1.51% (1 week), 3.69% (1 month), -5.28% (1 year), 74.59% (10 years) [17] Portfolio Tracking PB-ROE-50 Portfolio Performance - This week, the PB-ROE-50 portfolio achieved positive excess returns in the CSI 500 stock pool: 0.15% [24] - In the CSI 800 stock pool, the PB-ROE-50 portfolio achieved excess returns of -1.50% [24] - In the overall market stock pool, the PB-ROE-50 portfolio achieved excess returns of -2.52% [24] Institutional Research Portfolio Tracking - This week, the public fund research stock selection strategy and private fund research tracking strategy achieved negative excess returns relative to the CSI 800: -0.94% and -4.83%, respectively [26] Block Trade Portfolio Tracking - This week, the block trade portfolio achieved positive excess returns relative to the CSI All Share Index: 1.56% [30] Private Placement Portfolio Tracking - This week, the private placement portfolio achieved positive excess returns relative to the CSI All Share Index: 1.86% [36]

Core Viewpoint - The A-share market experienced a decline today, with the Shanghai Composite Index dropping by 1.39% and trading volume decreasing by 4.76% compared to the previous trading day [1] Industry Performance Summary - **Coal**: Slight increase of 0.12% with a transaction amount of 165.48 billion yuan, led by Antai Group which rose by 10.00% [1] - **Banking**: Minor decrease of 0.04% with a transaction amount of 302.99 billion yuan, led by Shanghai Bank which fell by 0.83% [1] - **Steel**: Decrease of 0.09% with a transaction amount of 133.07 billion yuan, led by Wujin Stainless Steel which dropped by 7.73% [1] - **Transportation**: Decrease of 0.11% with a transaction amount of 258.60 billion yuan, led by Pulutong which fell by 3.36% [1] - **Textiles and Apparel**: Decrease of 0.25% with a transaction amount of 119.79 billion yuan, led by Yingfeng Shares which dropped by 9.99% [1] - **Oil and Petrochemicals**: Decrease of 0.29% with a transaction amount of 83.04 billion yuan, led by Compton which fell by 3.19% [1] - **Agriculture, Forestry, Animal Husbandry, and Fishery**: Decrease of 0.45% with a transaction amount of 139.82 billion yuan, led by Aonong Biological which dropped by 4.66% [1] - **Real Estate**: Decrease of 0.52% with a transaction amount of 213.60 billion yuan, led by Wolong New Energy which fell by 7.80% [1] - **Utilities**: Decrease of 0.52% with a transaction amount of 302.04 billion yuan, led by *ST Lingda which dropped by 13.20% [1] - **Construction and Decoration**: Decrease of 0.75% with a transaction amount of 278.81 billion yuan, led by Kexin Development which fell by 8.15% [1] - **Home Appliances**: Decrease of 0.79% with a transaction amount of 217.37 billion yuan, led by Greer which dropped by 6.72% [1] - **Food and Beverage**: Decrease of 0.86% with a transaction amount of 194.67 billion yuan, led by Huaiqi Mountain which fell by 6.44% [1] - **Environmental Protection**: Decrease of 0.92% with a transaction amount of 140.79 billion yuan, led by Science which dropped by 6.68% [1] - **Retail**: Decrease of 0.97% with a transaction amount of 173.43 billion yuan, led by Ruoyu Chen which fell by 9.98% [1] - **Social Services**: Decrease of 1.07% with a transaction amount of 89.87 billion yuan, led by Chuangye Heima which dropped by 5.28% [1] - **Light Industry Manufacturing**: Decrease of 1.12% with a transaction amount of 135.66 billion yuan, led by Songyang Resources which fell by 10.02% [1] - **Pharmaceuticals and Biology**: Decrease of 1.16% with a transaction amount of 845.22 billion yuan, led by Warner Pharmaceuticals which dropped by 7.67% [1] - **Basic Chemicals**: Decrease of 1.21% with a transaction amount of 618.91 billion yuan, led by Xinong Shares which fell by 8.88% [1] - **Non-ferrous Metals**: Decrease of 1.24% with a transaction amount of 1149.11 billion yuan, led by Galaxy Magnetics which dropped by 7.14% [1] - **Telecommunications**: Decrease of 1.28% with a transaction amount of 806.90 billion yuan, led by Shijia Photon which fell by 17.59% [1] - **Non-bank Financials**: Decrease of 1.39% with a transaction amount of 491.74 billion yuan, led by Hainan Huatie which dropped by 6.17% [1] - **Building Materials**: Decrease of 1.66% with a transaction amount of 94.02 billion yuan, led by Yaopi Glass which fell by 7.82% [1] - **Media**: Decrease of 1.68% with a transaction amount of 263.96 billion yuan, led by Vision China which dropped by 9.93% [1] - **Beauty and Personal Care**: Decrease of 1.76% with a transaction amount of 33.94 billion yuan, led by Baiya Shares which fell by 4.98% [1] - **Computers**: Decrease of 2.38% with a transaction amount of 1005.18 billion yuan, led by Kaipu Cloud which dropped by 11.94% [1] - **Comprehensive**: Decrease of 2.42% with a transaction amount of 27.84 billion yuan, led by Dongyangguang which fell by 4.70% [1] - **Defense and Military Industry**: Decrease of 2.55% with a transaction amount of 387.73 billion yuan, led by Hangyu Technology which dropped by 8.38% [1] - **Machinery and Equipment**: Decrease of 2.68% with a transaction amount of 940.87 billion yuan, led by Yingweike which fell by 10.00% [1] - **Automobiles**: Decrease of 2.69% with a transaction amount of 775.95 billion yuan, led by Tianpu Shares which dropped by 10.00% [1] - **Electronics**: Decrease of 3.19% with a transaction amount of 2631.19 billion yuan, led by Nanya New Materials which fell by 16.26% [1] - **Electric Power Equipment**: Decrease of 3.79% with a transaction amount of 1881.52 billion yuan, led by Shenghong Shares which dropped by 11.80% [1]

Core Viewpoint - The visit by the Deputy Mayor of Suzhou, Tang Xiaodong, to the 138th Canton Fair highlights the city's support for local enterprises in enhancing their international competitiveness and market expansion efforts [1] Group 1: Company Participation and Innovation - Tang Xiaodong visited various Suzhou enterprises at the Canton Fair, including Ousheng, Beion Intelligent, Lek Electric, and Aipu Electric, to understand their participation, product innovation, and market development [1] - The Deputy Mayor tested products such as smart vacuum cleaners and air purifiers, gaining insights into their performance, technological innovations, and export order status [1] Group 2: Support for Enterprises - Tang Xiaodong praised the companies for their commitment to independent research and development and their proactive approach to expanding into overseas markets [1] - He urged relevant departments to optimize services and fully support enterprises in securing orders and expanding markets, aiming to help more high-quality Suzhou enterprises and products reach a global audience [1]

Investment Rating - The report indicates a positive outlook for the North Exchange market, suggesting a potential rebound due to recent underperformance compared to other markets [3][4]. Core Insights - The North Exchange A-share trading volume reached 17.8 billion yuan on October 15, 2025, a decrease of 2.886 billion yuan from the previous trading day, with the North Exchange 50 Index closing at 1508.31, up 1.62% [1][7]. - The report highlights that 213 out of 278 companies listed on the North Exchange saw an increase in stock prices, indicating a recovering market sentiment [1][14]. - Key sectors showing strength include technology, pharmaceuticals, and electric equipment, with the innovative drug sector benefiting from the upcoming ESMO conference and the charging pile sector supported by a new government policy [3][18]. Summary by Sections Market Review - The North Exchange 50 Index outperformed the Shanghai and Shenzhen 300 indices but slightly lagged behind the ChiNext Index, indicating a recovery in market sentiment [3][12]. - The report notes a significant increase in social financing, with the total social financing scale reaching 437.08 trillion yuan by the end of September 2025, a year-on-year growth of 8.7% [1][17]. Important News - The National Development and Reform Commission plans to establish 28 million charging facilities nationwide by the end of 2027, aiming to double the charging service capacity [2][18]. - The report emphasizes the positive impact of recent financial data, suggesting that a moderately loose monetary policy will continue to support the real economy [17]. Key Company Announcements - Development Technology announced the use of 500 million yuan of idle fundraising for cash management [19]. - Kexin New Materials disclosed a reduction of 1.72 million shares by a major shareholder, accounting for 2% of total equity [20]. - Nengzhiguang plans to use up to 80 million yuan of idle funds for cash management [21].

Core Points - The Investment Clock Index (399391) closed at 3415.49 points, up 0.36%, with a trading volume of 106.06 billion yuan and a turnover rate of 1.1% [1] - Among the index constituents, 43 stocks rose while 56 fell, with China Coal Energy leading the gainers at 7.35% and Shandong Gold leading the decliners at 4.39% [1] Index Constituents Summary - The top ten constituents of the Investment Clock Index include: - Kweichow Moutai (16.96% weight) at 1484.91 yuan, up 1.57% [1] - China Merchants Bank (15.65% weight) at 41.93 yuan, up 1.04% [1] - Zijin Mining (7.14% weight) at 30.47 yuan, down 1.65% [1] - Hengrui Medicine (5.43% weight) at 66.84 yuan, up 0.66% [1] - Wuliangye (5.41% weight) at 122.74 yuan, up 0.55% [1] - Gree Electric Appliances (4.05% weight) at 40.77 yuan, down 0.12% [1] - Yili Industrial (3.04% weight) at 27.81 yuan, up 0.58% [1] - Fuyao Glass (2.57% weight) at 66.88 yuan, up 0.47% [1] - Northern Rare Earth (2.38% weight) at 53.15 yuan, down 2.48% [1] - Luzhou Laojiao (2.28% weight) at 137.05 yuan, up 1.81% [1] Capital Flow Analysis - The net outflow of main funds from the index constituents totaled 2.565 billion yuan, while retail investors saw a net inflow of 2.81 billion yuan [1] - Detailed capital flow for selected stocks includes: - Chang'an Automobile with a net inflow of 1.109 billion yuan from main funds [2] - Kweichow Moutai with a net outflow of 475 million yuan from main funds [2] - Fuyao Glass with a net inflow of 123 million yuan from main funds [2]

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Core Viewpoint - The article discusses the significant increase in Northbound capital holdings in A-shares, particularly in the electric power equipment and electronics sectors, highlighting the investment trends and market performance of various industries and companies as of the end of Q3 2025 [2][3]. Industry Analysis - As of the end of Q3 2025, Northbound capital held shares in 3,577 A-share companies, with a total market value of approximately 25,841 billion yuan, an increase of about 3,011 billion yuan from the end of Q2 2025 [2]. - The electric power equipment and electronics sectors saw substantial increases in holdings, with market values of approximately 4,439.52 billion yuan and 3,915.46 billion yuan, respectively, both increasing by over 1,600 billion yuan in Q3 [2][3]. - Other sectors with holdings exceeding 1,000 billion yuan include pharmaceuticals, banking, food and beverage, machinery, automotive, non-ferrous metals, non-bank financials, and household appliances [3][4]. - The banking sector experienced a significant decrease in holdings, with a reduction of over 800 billion yuan [3][4]. Company Performance - A total of 39 A-share companies had holdings exceeding 100 billion yuan from Northbound capital, primarily consisting of industry leaders across various sectors [5]. - Notably, the largest holding was in Ningde Times, with a market value of approximately 2,656 billion yuan, representing over 10% of Northbound capital's total A-share holdings, and an increase of nearly 1,131 billion yuan from Q2 [6][11]. - The top-performing stocks included Industrial Fulian and Sunshine Power, with some stocks experiencing over 50% gains in Q3, and five stocks doubling in value [6][12]. - The article highlights that 38 companies were significantly increased in holdings by over 1 billion yuan, with the largest increase in Ningde Times at approximately 166.25 billion yuan [10][11]. Market Trends - The article notes that 15 heavily held stocks saw price increases of over 50% in Q3, with Industrial Fulian leading at approximately 215% [6]. - The semiconductor sector also showed strong performance, with stocks like Lanqi Technology increasing by nearly 89% [8]. - Companies with over 10% of their shares held by Northbound capital included 32 firms, with a notable presence in the electronics and electric power equipment sectors [8]. Summary of Key Changes - The article provides a detailed breakdown of the changes in holdings across various sectors, with significant increases in electric power equipment and electronics, while the banking sector saw notable reductions [3][4][10]. - The performance of individual stocks, particularly in the electric power and semiconductor sectors, indicates a strong interest from Northbound capital, reflecting broader market trends and investor sentiment [6][12].

Core Viewpoint - The Shanghai Composite Index rose by 1.22% on October 15, with 29 industries experiencing gains, particularly in the power equipment and automotive sectors, which increased by 2.72% and 2.37% respectively [1] Industry Performance - The household appliances industry saw an increase of 1.40%, with a net inflow of 17.04 billion yuan in main funds. Out of 94 stocks in this sector, 85 rose, and 1 hit the daily limit, while 8 declined [1] - The steel and non-ferrous metals industries were among the worst performers, with significant net outflows of main funds, particularly 43.53 billion yuan from the non-ferrous metals sector and 23.50 billion yuan from the defense and military industry [1] Fund Flow Analysis - Overall, the main funds in the two markets experienced a net outflow of 8.53 billion yuan. However, 16 industries had net inflows, with the pharmaceutical and biological industry leading with a net inflow of 38.45 billion yuan and a rise of 2.08% [1] - The household appliances industry ranked high in terms of fund flow, indicating strong investor interest and confidence in this sector [1]

Market Overview - The Shanghai Composite Index rose by 1.22% on October 15, with 29 out of 31 sectors experiencing gains. The top-performing sectors were electric equipment and automobiles, with increases of 2.72% and 2.37% respectively. The home appliance sector also saw a rise of 1.40%. Conversely, the steel and oil & petrochemical sectors faced declines of 0.21% and 0.14% respectively [1]. Capital Flow Analysis - The main capital flow showed a net outflow of 0.853 billion yuan across the two markets. However, 16 sectors recorded net inflows, with the pharmaceutical and biological sector leading with a net inflow of 3.845 billion yuan and a daily increase of 2.08%. The electric equipment sector followed with a net inflow of 1.704 billion yuan and a daily increase of 2.72% [1]. Home Appliance Sector Performance - The home appliance sector increased by 1.40% with a total net inflow of 1.704 billion yuan. Out of 94 stocks in this sector, 85 stocks rose, including one stock that hit the daily limit. The top inflow stock was Sanhua Intelligent Control, which saw a net inflow of 1.825 billion yuan, followed by Midea Group and Shun An Environment with net inflows of 38.303 million yuan and 26.101 million yuan respectively [2]. Notable Stocks in Home Appliance Sector - The following stocks in the home appliance sector had significant capital flows: - Sanhua Intelligent Control: +10.01% with a turnover rate of 7.64% and a net inflow of 1824.67 million yuan - Midea Group: +0.44% with a turnover rate of 0.54% and a net inflow of 38.303 million yuan - Shun An Environment: +3.26% with a turnover rate of 2.62% and a net inflow of 26.101 million yuan [2][3]. Outflow Stocks in Home Appliance Sector - The following stocks experienced notable net outflows: - Gree Electric Appliances: -0.59% with a net outflow of 67.583 million yuan - Longdi Group: -3.64% with a net outflow of 50.407 million yuan - Stone Technology: -0.43% with a net outflow of 35.591 million yuan [5].

Market Overview - The net inflow of large orders in the two markets reached 5.299 billion yuan, with 41 stocks seeing net inflows exceeding 200 million yuan, led by Sanhua Intelligent Control with a net inflow of 2.021 billion yuan [1][2] - The Shanghai Composite Index closed up 1.22%, with a total of 2,150 stocks experiencing net inflows and 2,528 stocks seeing net outflows [1] Industry Performance - Among the 19 industries with net inflows, the pharmaceutical and biological sector had the highest net inflow of 2.984 billion yuan, with its index rising by 2.08% [1] - The power equipment sector followed with a net inflow of 2.690 billion yuan and a rise of 2.72% [1] - The industries with net outflows included non-ferrous metals, which saw a net outflow of 2.124 billion yuan, and telecommunications with a net outflow of 1.739 billion yuan [1] Individual Stock Performance - The top stocks with net inflows over 200 million yuan included Sanhua Intelligent Control (2.021 billion yuan), Shenghe Resources (1.360 billion yuan), and Sunshine Power (1.153 billion yuan) [2] - Stocks with significant net outflows included Baogang Co. (1.624 billion yuan), Shanzhi High-Tech (1.156 billion yuan), and Northern Rare Earth (1.005 billion yuan) [4] - Stocks with net inflows over 200 million yuan saw an average increase of 7.52%, outperforming the Shanghai Composite Index [2] Detailed Stock Data - **Top Net Inflow Stocks**: - Sanhua Intelligent Control: 2.021 billion yuan, 10.01% increase [2] - Shenghe Resources: 1.360 billion yuan, 5.04% increase [2] - Sunshine Power: 1.153 billion yuan, 8.31% increase [2] - **Top Net Outflow Stocks**: - Baogang Co.: -1.624 billion yuan, -4.81% decrease [4] - Shanzhi High-Tech: -1.156 billion yuan, -6.54% decrease [4] - Northern Rare Earth: -1.005 billion yuan, -4.05% decrease [4]