金工周报（20250519-20250523）：短中期择时信号偏中性，后市或偏向大盘-20250525

• The short-term A-share models include the volume model (neutral), low volatility model (neutral), characteristic institutional model (neutral), characteristic volume model (bearish), intelligent CSI 300 model (bullish), and intelligent CSI 500 model (bearish) [1][10][68] - The mid-term A-share models include the limit-up and limit-down model (neutral) and the calendar effect model (neutral) [11][69] - The long-term A-share model is the long-term momentum model, which is neutral for all broad-based indices [12][70] - The comprehensive A-share models include the A-share comprehensive weapon V3 model (bearish) and the A-share comprehensive Guozheng 2000 model (bearish) [13][71] - The mid-term Hong Kong stock model is the turnover amplitude model, which is bullish [14][72] - The backtesting results for the models are as follows: - Volume model: neutral [1][10][68] - Low volatility model: neutral [1][10][68] - Characteristic institutional model: neutral [1][10][68] - Characteristic volume model: bearish [1][10][68] - Intelligent CSI 300 model: bullish [1][10][68] - Intelligent CSI 500 model: bearish [1][10][68] - Limit-up and limit-down model: neutral [11][69] - Calendar effect model: neutral [11][69] - Long-term momentum model: neutral [12][70] - A-share comprehensive weapon V3 model: bearish [13][71] - A-share comprehensive Guozheng 2000 model: bearish [13][71] - Turnover amplitude model: bullish [14][72]