——金融工程市场跟踪周报20251123：短线关注超跌反弹机会-20251123

• The report discusses the "Volume Timing Signal" model, which indicates a cautious view for all indices as of November 21, 2025[24][25] - The "Number of Rising Stocks in the CSI 300 Index" sentiment indicator is used to gauge market sentiment by calculating the proportion of stocks with positive returns over a certain period[25][26] - The "Number of Rising Stocks in the CSI 300 Index" timing tracking involves smoothing the indicator over two different periods to capture its trend, with a bullish view when the short-term line is above the long-term line[27][28][29] - The "Moving Average Sentiment Indicator" uses the eight moving averages system to assess the trend state of the CSI 300 Index, assigning values based on the position of the moving average range[33][34][35] - The "Moving Average Sentiment Indicator" shows that the CSI 300 Index is currently in a non-prosperous sentiment range as of November 21, 2025[33][36][37] Model Backtest Results - Volume Timing Signal: All indices show a cautious view as of November 21, 2025[24][25] - Number of Rising Stocks in the CSI 300 Index: The indicator has recently declined, with the proportion of rising stocks slightly above 50%, indicating cooling market sentiment[25][26] - Number of Rising Stocks in the CSI 300 Index Timing Tracking: Both the fast and slow lines are declining, with the fast line below the slow line, indicating a cautious view for the near future[27][28][29] - Moving Average Sentiment Indicator: The CSI 300 Index is in a non-prosperous sentiment range as of November 21, 2025[33][36][37] Factor Construction and Evaluation - Cross-sectional volatility: The recent week saw a decline in cross-sectional volatility for CSI 300 and CSI 500 index constituents, indicating a deteriorating short-term alpha environment, while the CSI 1000 index constituents saw an increase, indicating an improving short-term alpha environment[2][38] - Time-series volatility: The recent week saw a decline in time-series volatility for CSI 300 index constituents, indicating a deteriorating alpha environment, while the CSI 500 and CSI 1000 index constituents saw an increase, indicating an improving alpha environment[2][39][40] Factor Backtest Results - Cross-sectional volatility: - CSI 300: 2.28% (recent quarter average), 83.44% (recent quarter average as a percentile of the past two years) - CSI 500: 2.44% (recent quarter average), 78.57% (recent quarter average as a percentile of the past two years) - CSI 1000: 2.60% (recent quarter average), 83.67% (recent quarter average as a percentile of the past two years)[39] - Time-series volatility: - CSI 300: 0.73% (recent quarter average), 77.23% (recent quarter average as a percentile of the past two years) - CSI 500: 0.53% (recent quarter average), 80.16% (recent quarter average as a percentile of the past two years) - CSI 1000: 0.27% (recent quarter average), 82.07% (recent quarter average as a percentile of the past two years)[42]