量化行业配置：超预期增强行业轮动策略2025年全年收益达42.80%

Market and Industry Overview - In the past month, major domestic market indices have generally risen, with the CSI 500, National Index 2000, CSI 1000, Shanghai-Shenzhen 300, and SSE 50 increasing by 6.17%, 3.99%, 3.56%, 2.28%, and 2.07% respectively [1][12] - Among the 19 industries in the CITIC first-level industry classification, the defense and military industry, non-ferrous metals, telecommunications, and comprehensive finance saw significant gains, with the defense and military industry leading at a monthly increase of 21.24% [1][12] - Conversely, the pharmaceutical, food and beverage, and real estate industries lagged behind, with monthly declines of -4.09%, -4.34%, and -4.47% respectively [1][12] Industry Rotation Strategy Performance - In December, the performance of factors was notable, with profitability, quality, valuation momentum, and analyst expectations all achieving positive IC values, particularly the profitability factor with an IC of 55.67% [2][21] - All factors contributed positively to long-short returns, with the analyst expectations factor yielding a long-short return of 6.16%, while profitability, quality, and valuation momentum provided returns of 3.75%, 3.47%, and 3.88% respectively [2][21] - For the year 2025, quality, valuation momentum, analyst expectations, and research activity factors all showed positive IC averages of 7.27%, 1.37%, 2.44%, and 7.34% respectively [2][22] Current Industry Recommendations - The January recommendations from the enhanced industry rotation strategy include real estate, non-ferrous metals, defense and military, basic chemicals, and electronics, with significant changes from the previous month [4][49] - The defense and military industry received joint recommendations from both the enhanced strategy and the research-selected strategy, indicating a higher level of attention [5][49] - The research-selected strategy for January includes computer, transportation, coal, steel, and defense and military industries, with increased research activity noted in the computer and transportation sectors [4][51]