量化行业比较系列报告之二：基于资本开支周期的行业比较与轮动策略

Group 1: Capital Expenditure Cycle Analysis - The capital expenditure (CAPEX) cycle is a dominant driver of industry cycles in China, influencing the relationship between CAPEX, price-to-book (PB) ratio, and return on equity (ROE) [4] - The CAPEX cycle is divided into three stages: Stage 1 (oversupply leads to declining ROE and poor market performance), Stage 2 (declining CAPEX results in rising free cash flow and market rebound), and Stage 3 (supply-side clearing leads to improved ROE and better market performance) [4][14][15] - The PB-ROE model indicates significant investment value in Stage 2 (low PB and improving ROE) and Stage 3 (reasonable PB and steadily rising ROE) [16] Group 2: Market and Industry Comparisons - In Q4 2024 and Q1 2025, the overall capital expenditure of A-share companies (excluding finance and real estate) is contracting, while free cash flow is improving [20] - The median CAPEX/depreciation ratio for secondary industries decreased from 1.35 to 1.29, while the median free cash flow/equity ratio increased from 4.4% to 4.8% [21] - The proportion of secondary industries with free cash flow greater than 0 has significantly increased, indicating a positive trend in cash flow [21][24] Group 3: Sector-Specific Insights - The consumer sector shows overall CAPEX contraction and slight decline in free cash flow, with CAPEX levels below market averages and free cash flow above market averages [26] - The advanced manufacturing sector also experiences CAPEX contraction, while free cash flow shows slight improvement [4][26] - Eight industries within the consumer sector are highlighted as potential investment opportunities based on supply-side improvements [4][26]