证券研究报告 2025 年 11 月 30 日 湘财证券研究所 金融工程研究 跟踪周报 超预期股票精选策略跟踪周报 相关研究： 1. 《湘财证券-金融工程-超预期股 票精选策略》 2024.08.19 2. 《湘财证券-金融工程-超预期股 票 精 选 策 略 改 进 》 2024.11.19 分析师：别璐莎 证书编号：S0500524010001 Tel：(021) 50293663 Email：bls06644 @xcsc.com 地址：上海市浦东新区银城路88号 中国人寿金融中心10楼 核心要点： ❑ 主动型量化基金市场表现 本周（2025.11.24-2025.11.28），根据 Wind，主动型量化基金中位数收益为 3.02%，沪深 300 指数收益为 1.64%，Wind 全 A 指数收益为 2.90%；本年， 主动型量化基金中位数收益为 24.89%，沪深 300 指数收益为 15.04%，Wind 全 A 指数收益为 23.57%。 本周，根据 Wind，收益排名靠前的主动型量化基金的收益率在 6%至 8% 之间，基金的重仓行业集中在计算机、电子行业；收益排名靠后的主动型 量化基金的收益率在-1 ...

证券研究报告 2025 年 11 月 17 日 湘财证券研究所 金融工程研究 跟踪周报 超预期股票精选策略跟踪周报 超预期股票精选策略根据净利润同比超预期、分析师超预期这两个指标构 建超预期股票池；我们选择 Wind 全 A 作为底层股票池，将分析师超预期 TOP50 组合、净利润同比超预期 TOP50-100 组合合并，作为最终的超预期 股票池；为了增强策略收益，我们从量价行情角度挖掘增强因子，最终在 超预期股票池内根据增强因子的排序，选出头部股票构建组合。 相关研究： 1. 《湘财证券-金融工程-超预期股 票精选策略》 2024.08.19 2. 《湘财证券-金融工程-超预期股 票 精 选 策 略 改 进 》 2024.11.19 分析师：别璐莎 证书编号：S0500524010001 Tel：(021) 50293663 Email：bls06644 @xcsc.com 地址：上海市浦东新区银城路88号 中国人寿金融中心10楼 核心要点： ❑ 主动型量化基金市场表现 上周（2025.11.10-2025.11.14），根据 Wind，主动型量化基金中位数收益为 0.17%，沪深 300 指数收益为-1. ...

Financial Engineering - The report highlights the tracking of an outperforming stock selection strategy, indicating a focus on stocks with net profit growth exceeding expectations and analyst forecasts [1] Active Quantitative Fund Performance - For the week of October 24 to October 31, 2025, the median return of active quantitative funds was 0.09%, while the CSI 300 Index returned -0.43% and the Wind All A Index returned 0.41% [2] - Year-to-date, the median return of active quantitative funds stands at 28.88%, compared to 17.94% for the CSI 300 Index and 26.38% for the Wind All A Index [2] - Top-performing active quantitative funds this week had returns between 3% and 6%, primarily concentrated in the power equipment sector, while underperforming funds had returns between -2% and -5%, mainly focused on the electronics sector [2] Outperforming Stock Selection Strategy - The outperforming stock selection strategy is constructed based on two indicators: year-on-year net profit exceeding expectations and analyst forecasts exceeding expectations [3] - The strategy utilizes the Wind All A index as the underlying stock pool, combining the top 50 stocks based on analyst forecasts and the top 50 stocks based on net profit growth to form the final stock pool [4] - For the week of October 24 to October 31, 2025, the strategy yielded a return of -0.98%, underperforming the Wind All A Index, which returned 0.41% [4] - In the previous month, the strategy achieved a return of 1.34%, outperforming the Wind All A Index, which returned -0.04% [4] - Year-to-date, the strategy's return is 46.11%, significantly higher than the Wind All A Index's return of 26.38%, resulting in an excess return of 19.73% [4] Summary and Investment Recommendations - The report notes that top-performing active quantitative funds are concentrated in the power equipment sector, while high-return funds this year are focused on the electronics sector [5] - The outperforming stock selection strategy's return for the week was -0.98%, while its year-to-date return is 46.11% [5] - In November 2025, the strategy selected 30 stocks, primarily from the machinery and equipment sector [5] - The highest return this year was from Cangge Mining (000408.SZ), with a return of 116.30%, categorized under non-ferrous metals and energy metals [5]

Group 1 - The core viewpoint of the report highlights the performance of active quantitative funds, with a median return of 0.09% for the week of October 24-31, 2025, compared to a -0.43% return for the CSI 300 Index and a 0.41% return for the Wind All A Index [4][9]. - For the year, the median return of active quantitative funds stands at 28.88%, outperforming the CSI 300 Index at 17.94% and the Wind All A Index at 26.38% [4][9]. - The report indicates that the top-performing active quantitative funds for the week had returns between 3% and 6%, primarily concentrated in the electric equipment sector, while the underperforming funds had returns between -2% and -5%, mainly focused on the electronics sector [4][10]. Group 2 - The report details the performance of the "Super Expectation Stock Selection Strategy," which constructs a stock pool based on net profit exceeding expectations and analyst expectations [6][15]. - For the week of October 24-31, 2025, the strategy yielded a return of -0.98%, underperforming the benchmark Wind All A Index, which returned 0.41%, resulting in an excess return of -1.39% [6][17]. - Year-to-date, the strategy has achieved a return of 46.11%, significantly outperforming the benchmark index's return of 26.38%, leading to an excess return of 19.73% [6][21]. Group 3 - The report identifies that the top 30 selected stocks for November 2025 are concentrated in the machinery and equipment sector, with the highest return for the year being 116.30% from Cangge Mining (000408.SZ), categorized under non-ferrous metals [6][22][27]. - The report emphasizes the importance of the "Post-Earnings-Announcement Drift" phenomenon, which indicates that stock prices continue to drift in the direction of earnings surprises for some time after the announcement [6][15].

Group 1 - The median return of active quantitative funds for the week of October 20-24, 2025, was 3.25%, while the Shanghai-Shenzhen 300 Index returned 3.24% and the Wind All A Index returned 3.47% [3][8] - For the year, the median return of active quantitative funds was 27.54%, compared to 18.44% for the Shanghai-Shenzhen 300 Index and 25.86% for the Wind All A Index [3][8] - The top-performing active quantitative funds this week had returns between 9% and 18%, primarily concentrated in the electronics sector, while the underperforming funds had returns between -1% and -3%, mainly focused on the food and beverage sector [3][4][8] Group 2 - The "Super Expectation Stock Selection Strategy" constructs a stock pool based on net profit exceeding expectations and analyst expectations, using the Wind All A Index as the base stock pool [5][14] - This week, the selected strategy yielded a return of 5.48%, outperforming the benchmark index (Wind All A Index) by 2.01% [5][16] - For the year, the selected strategy achieved a return of 46.03%, significantly higher than the benchmark index's return of 25.86%, resulting in an excess return of 20.17% [5][20] Group 3 - The top 30 selected stocks for October 2025 are concentrated in the electronics sector, with the highest return stock being Andar Intelligent (688125.SH) at 18.64%, categorized under mechanical equipment and automation equipment [6][21] - The report highlights that the active quantitative funds with higher returns are predominantly invested in the electronics sector [6][26] - The report emphasizes the importance of analyzing unexpected earnings and their impact on stock price movements, indicating a significant drift pattern following earnings announcements [14][15]