微盘股指数周报：年报效应边际递减，右侧买入信号触发-20250427

• The diffusion index model triggered a right-side buy signal at the close of trading on Tuesday, April 25, 2025 [6][14][33] - The first threshold method triggered a full position signal at the close of trading on April 7, 2025 [36] - The delayed threshold method gave an open position signal at the close of trading on April 22, 2025 [40] - The dual moving average method gave a short position signal at the close of trading on March 12, 2025 [41] Model Testing Results - Diffusion index model, weekly return 2.52% [43] - First threshold method, signal value 0.0225 [36] - Delayed threshold method, signal value not specified [40] - Dual moving average method, signal value not specified [41] Quantitative Factors and Construction - Factor name: Momentum factor; Construction idea: Based on the stock's price momentum; Construction process: Calculated using the rank IC method, weekly rank IC value 0.221, historical average -0.003 [5][13][27] - Factor name: Logarithmic market capitalization factor; Construction idea: Based on the logarithm of the stock's market capitalization; Construction process: Calculated using the rank IC method, weekly rank IC value 0.196, historical average -0.032 [5][13][27] - Factor name: Non-linear market capitalization factor; Construction idea: Based on the non-linear transformation of the stock's market capitalization; Construction process: Calculated using the rank IC method, weekly rank IC value 0.196, historical average -0.032 [5][13][27] - Factor name: Single-quarter ROE factor; Construction idea: Based on the stock's return on equity for a single quarter; Construction process: Calculated using the rank IC method, weekly rank IC value 0.19, historical average 0.025 [5][13][27] - Factor name: PE TTM reciprocal factor; Construction idea: Based on the reciprocal of the stock's price-to-earnings ratio trailing twelve months; Construction process: Calculated using the rank IC method, weekly rank IC value 0.189, historical average 0.02 [5][13][27] Factor Testing Results - Momentum factor, weekly rank IC value 0.221, historical average -0.003 [5][13][27] - Logarithmic market capitalization factor, weekly rank IC value 0.196, historical average -0.032 [5][13][27] - Non-linear market capitalization factor, weekly rank IC value 0.196, historical average -0.032 [5][13][27] - Single-quarter ROE factor, weekly rank IC value 0.19, historical average 0.025 [5][13][27] - PE TTM reciprocal factor, weekly rank IC value 0.189, historical average 0.02 [5][13][27]