量化择时周报：短期调整不改牛市格局-20260118

• The report introduces a market timing system that uses the distance between the 20-day moving average and the 120-day moving average of the WIND All A Index to determine market trends. The system identifies an uptrend when the short-term moving average is above the long-term moving average, with a significant distance threshold of 3%[2][6][11] - The industry trend allocation model is highlighted, which signals opportunities in specific sectors. For the medium term, the "distressed reversal expectation model" suggests focusing on innovative healthcare. The "TWO BETA model" continues to recommend the technology sector, particularly AI applications and commercial aerospace after adjustments. In the short term, the "earnings trend model" points to opportunities in computing power (e.g., Sci-Tech Chip ETF, code 588200) and energy storage batteries (e.g., Energy Storage Battery ETF, code 159566)[2][5][7] - The position management model is used to determine stock allocation levels. Based on the WIND All A Index's valuation and trend, the model recommends an 80% stock allocation for absolute return products[5][7] - The valuation indicators for the WIND All A Index are also discussed. The PE ratio is at the 90th percentile, indicating a relatively high valuation, while the PB ratio is at the 50th percentile, representing a medium level[5][7][11]