本周热度变化最大行业为石油石化、交通运输：市场情绪监控周报（20260302-20260306）-20260308

• The report introduces a quantitative rotation strategy based on the weekly rate of change in the total heat rate (MA2) of broad-based indices. The strategy involves buying the broad-based index with the highest weekly heat rate change on the last trading day of the week. If the "Others" group has the highest change rate, the strategy remains in cash. The strategy's annualized return since 2017 is 8.74%, with a maximum drawdown of 23.5%. The return for 2026 is 1.8%[13][16][15] - The report defines the "total heat rate" indicator as the sum of the browsing, self-selection, and click counts of a stock, normalized as a percentage of the total market on the same day, and then multiplied by 10,000. The value range of the indicator is [0, 10,000]. This aggregated total heat rate is used as a proxy variable for "sentiment heat" to track the sentiment at the broad-based, industry, and concept levels[8] - The report also constructs two simple portfolios based on concept heat: the "TOP" portfolio, which selects the top 10 stocks with the highest total heat from the top 5 concepts with the highest heat change, and the "BOTTOM" portfolio, which selects the bottom 10 stocks with the lowest total heat from the same concepts. The BOTTOM portfolio has historically achieved an annualized return of 15.71% with a maximum drawdown of 28.89%. The return for 2026 is 0.00%[32][34]