短期择时看多指数增加，后市或震荡偏多：【金工周报】（20251222-20251226）-20251228

• The report introduces multiple quantitative models for market timing, including short-term, medium-term, and long-term models, such as the "Volume Model," "Feature Institutional Model," "Feature Volume Model," "Intelligent Algorithm Model," "Limit-Up/Down Model," "Up/Down Return Difference Model," "Calendar Effect Model," and "Long-Term Momentum Model" [1][8][11] - The "Volume Model" is neutral for all broad-based indices in the short term, while the "Feature Institutional Model" is bullish, and the "Feature Volume Model" is bearish. The "Intelligent Algorithm Model" is neutral for both CSI 300 and CSI 500 indices [11][63] - The "Limit-Up/Down Model" and "Up/Down Return Difference Model" are bullish for all broad-based indices in the medium term, while the "Calendar Effect Model" remains neutral [12][64] - The "Long-Term Momentum Model" is bullish for the long term [13][65] - The "Comprehensive Weapon V3 Model" is bullish for A-shares, while the "Comprehensive Guozheng 2000 Model" is neutral [14][66] - For Hong Kong stocks, the "Turnover to Volatility Model" is bullish, while the "Up/Down Return Difference Model" is neutral in the medium term [15][67] - The report emphasizes that market timing requires a multi-cycle, multi-strategy model system, combining defensive and aggressive strategies to achieve a balanced approach [8] - Backtesting results for the models indicate that the "Double Bottom Pattern" portfolio outperformed the Shanghai Composite Index by 1.99% this week, with a cumulative return of 16.12% since December 31, 2020, compared to the index's 14.13% [38] - The "Cup and Handle Pattern" portfolio outperformed the Shanghai Composite Index by 1.32% this week but has underperformed the index by -1.36% cumulatively since December 31, 2020 [38]