- The report introduces a "Total Heat Indicator" as a proxy for market sentiment, which aggregates the browsing, watchlist, and click counts of individual stocks, normalized as a percentage of the total market activity and scaled by 10,000, with a range of [0, 10,000][7] - A "Broad-based Index Heat Rotation Strategy" is constructed based on the weekly moving average (MA2) of heat change rates for major indices (CSI 300, CSI 500, CSI 1000, CSI 2000, and "Others"). The strategy involves buying the index with the highest heat change rate at the end of each week, or staying in cash if "Others" has the highest rate[13][15] - The backtest results of the "Broad-based Index Heat Rotation Strategy" show an annualized return of 8.74% since 2017, with a maximum drawdown of 23.5%. The strategy achieved a return of 28.5% in 2025[15] - A "Concept Heat Strategy" is developed by selecting the top 5 concepts with the highest weekly heat change rates. Two portfolios are constructed: a "TOP" portfolio holding the top 10 stocks with the highest total heat within these concepts, and a "BOTTOM" portfolio holding the bottom 10 stocks with the lowest total heat[30] - The backtest results of the "BOTTOM" portfolio in the "Concept Heat Strategy" indicate an annualized return of 15.71% with a maximum drawdown of 28.89%. The portfolio achieved a return of 37% in 2025[32]

证券研究报告 2025 年 8 月 8 日 星期五 【A 股市场大势研判】 沪指走出四连阳，再创阶段新高 市场表现： | 指数名称 | 收盘点位 | 涨跌幅 | 涨跌 | 上证指数分时图 | | --- | --- | --- | --- | --- | | 上证指数 | 3639.67 | 0.16% | 5.67 | | | 深证成指 | 11157.94 | -0.18% | -19.84 | | | 沪深 300 | 4114.67 | 0.03% | 1.18 | | | 创业板 | 2342.86 | -0.68% | -16.09 | | | 科创 50 | 1058.21 | -0.15% | -1.56 | | | 北证 50 | 1459.46 | 0.00% | -0.05 | | 资料来源：东莞证券研究所，iFinD 数据 板块排名： | 申万行业表现前五 | | | 申万行业表现后五 | 概念板块表现前五 ◼ | | 概念板块表现后五 | | | --- | --- | --- | --- | --- | --- | --- | --- | | 有色金属 | 1.20% | 医药生物 ...