国泰海通｜金工：量化择时和拥挤度预警周报

Market Overview - Short-term market may experience adjustments due to high liquidity levels, with the liquidity shock indicator for the CSI 300 index at 1.36, lower than the previous week's 1.86, indicating current market liquidity is 1.36 times the average level over the past year [1] - The PUT-CALL ratio for the SSE 50 ETF has decreased to 0.85 from 0.91, suggesting reduced caution among investors regarding the short-term performance of the SSE 50 ETF [1] - The five-day average turnover rates for the SSE Composite Index and Wind All A are at 1.34% and 1.91%, respectively, maintaining trading activity levels consistent with the past [1] Macroeconomic Factors - The RMB exchange rate fluctuated last week, with onshore and offshore rates showing weekly declines of -0.06% and -0.17% respectively [1] - The official manufacturing PMI for China in September was reported at 49.8, slightly above the previous value of 49.4 but below the consensus expectation of 49.95; the S&P Global China Manufacturing PMI was at 51.2, up from 50.5 [1] Event-Driven Analysis - U.S. stock markets experienced significant declines, with the Dow Jones, S&P 500, and Nasdaq indices reporting weekly returns of -2.73%, -2.43%, and -2.53% respectively, influenced by strong statements from former President Trump regarding potential tariff increases on imports [2] - China's Ministry of Commerce announced the implementation of export control measures on certain rare earth items and technologies, adding 14 foreign entities to a list of unreliable entities [2] Technical Analysis - The Wind All A index broke above the SAR indicator on September 11, indicating a potential upward trend [3] - The market score based on the moving average strength index is currently at 198, placing it in the 71.9% percentile for 2023 [3] - The sentiment model score is at 2 out of 5, indicating weak market sentiment, while the trend model signal is positive and the weighted model signal is negative [3] - The A-share market showed a downward trend last week, with the SSE 50 index down 0.47%, CSI 300 down 0.51%, and the ChiNext index down 3.86% [3] Factor Crowding Observation - The crowding degree for small-cap factors continues to decline, with a score of 0.08; low valuation factors at -0.31; high profitability factors at -0.18; and high growth factors at 0.19 [4] - Industry crowding degrees are relatively high in sectors such as non-ferrous metals, power equipment, comprehensive, communication, and electronics, with non-ferrous metals and steel showing significant increases [4]