基本面量化系列研究之四：企业盈利能力评价指标的演进与优化

Core Insights - The report focuses on the evolution and optimization of profitability evaluation indicators, particularly the Return on Equity (ROE) within the PB-ROE framework, utilizing DuPont analysis to dissect the structure and potential issues of the ROE metric [1][4] - The report introduces a comprehensive profitability factor by optimizing the indicator system based on the analysis of ROE, aiming to enhance the dual optimization of the PB-ROE strategy framework in both valuation and profitability aspects [1][4] Section Summaries 1. In-depth Exploration of ROE and Profitability Styles - The PB-ROE strategy combines valuation levels with shareholder return rates, reflecting a company's ability to generate profits from shareholder capital, which directly influences net asset growth [10][14] - The relationship between ROE and GDP indicates that listed companies, as a significant part of the economy, have shown substantial growth in revenue, with the total revenue of A-share companies exceeding 72 trillion yuan in 2024, compared to 3.37 trillion yuan in 2004 [14][15] - ROE is categorized under quality style in investment factors, reflecting a company's financial health, profitability, reliability, and long-term growth potential [22][26] 2. ROE and DuPont Analysis - ROE is tested using both quarterly and TTM (Trailing Twelve Months) metrics, with the quarterly ROE factor showing a higher average Rank IC of 4.06% compared to 2.78% for TTM [28][29] - Historical high ROE stocks tend to underperform in future price performance, while portfolios constructed based on future ROE show significant excess returns, indicating the importance of ROE stability [33][34] - DuPont analysis breaks down ROE into three components: net profit margin, total asset turnover, and equity multiplier, providing a comprehensive assessment of a company's profitability, operational efficiency, and leverage [42][46] 3. ROE De-leveraging Analysis - The report discusses the linear separation of leverage factors from ROE, highlighting the economic relationship between ROA and ROE, and the limitations of ROA as a profitability measure [3][15] - The introduction of RONOA (Return on Net Operating Assets) and FCFFIC (Free Cash Flow Return on Invested Capital) aims to provide more accurate profitability assessments by excluding non-core operating activities and mitigating earnings management risks [4][6] 4. Comprehensive Profitability Factor - The integration of stable ROE, stable ROIC, stable RONOA, and FCFFIC forms a comprehensive profitability factor, enhancing the performance of the PB-ROE strategy [4][6] - The active quantitative stock selection strategy based on the PB-ROE framework has achieved an annualized return of 20.42% since 2010, significantly outperforming benchmarks like the CSI 800 [4][6]