周期嵌套理论

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8月市场或重回杠铃结构:资产配置及A股风格月报-20250808
Bank of China Securities· 2025-08-08 10:33
Group 1 - The report indicates that in August, the market may return to a barbell structure, with an increase in commodity asset allocation and a marginal rise in risk asset allocation [2][4][6] - The updated BL model suggests that the allocation of risk assets will continue to show relative strength, with a marginal increase in commodity asset positions and a slight decrease in stock assets [4][8] - The report highlights that the A-share market style is expected to shift towards low valuation, weak profitability, and small-cap stocks, with a potential short-term recovery in the barbell style [4][20][23] Group 2 - The report notes that the high profitability and high valuation factors performed strongly in July, aligning with previous predictions [13][20] - It is anticipated that the market will face a phase of adjustment in August, particularly for the profitability factor, which has rebounded quickly but may be overvalued [20][23] - The report emphasizes that the focus for the upcoming month should be on the North China 50 and Shanghai Composite Index, as they align with the predicted market style [23][24]
资产配置及A股风格半月报:风险资产有望延续优势-20250703
Bank of China Securities· 2025-07-03 09:51
策略研究 | 证券研究报告 — 点评报告 2025 年 7 月 3 日 资产配置及A股风格半月报 风险资产有望延续优势 风险资产有望延续优势,盈利因子有望修复。 相关研究报告 《风格制胜 3:风格因子体系的构建及应用》 20250606 中银国际证券股份有限公司 具备证券投资咨询业务资格 策略研究 证券分析师:王君 (8610)66229061 jun.wang@bocichina.com 证券投资咨询业务证书编号:S1300519060003 证券分析师:郭晓希 (8610)66229019 xiaoxi.guo@bocichina.com 证券投资咨询业务证书编号:S1300521110001 ◼ 大类资产配置:风险资产有望延续相对优势。我们的大类资产配置模型是 基于周期嵌套理论改良版 BL 模型。模型基于不同周期定位下的大类资产 的表现,将市场均衡观点进行贝叶斯修正,输出满足既定条件的最优资产 组合,模型输出可显著提升组合夏普比率。我们输入的观点基于库存周期 理论,未来一个季度,我们认为内外弱补库有望延续。基于上述主观假设 及限制条件的 BL 模型输出结果为:国内资产方面,2025 年三季度股票 配置比 ...