量化择时和拥挤度预警周报（20260124）：市场下周或将震荡上行-20260124

• The liquidity shock indicator for the CSI 300 Index was 5.09 on Friday, indicating that the current market liquidity is 5.09 standard deviations higher than the average level over the past year [4][8] - The PUT-CALL ratio of the SSE 50ETF options trading volume increased to 0.98 on Friday, suggesting a rise in investor caution regarding the short-term trend of the SSE 50ETF [4][8] - The five-day average turnover rates for the SSE Composite Index and Wind All A Index were 1.50% and 2.21%, respectively, indicating a decrease in trading activity [4][8] - The SAR technical indicator showed a reversal within the week, indicating strong market contention between bulls and bears [4][7][14] - The sentiment model score was 2 out of 5, with both the trend model and weighted model signals being positive [4][14] - The high-frequency capital flow model indicated a buy signal for major broad-based indices, including the CSI 300, CSI 500, and CSI 1000 [4][14] - The congestion levels for small-cap, low-valuation, high-profitability, and high-growth factors were 0.28, -0.42, 0.31, and 0.35, respectively [4][18][19][21] - The congestion levels for the non-ferrous metals, comprehensive, communication, electronics, and defense industries were relatively high, with the defense and electronics industries showing significant increases [4][25][27][28]