Core Viewpoint - The article emphasizes that annual rebalancing of indices is a systematic process governed by transparent rules rather than subjective market judgments, highlighting the importance of understanding these rules for effective investment strategies [5][8][11]. Group 1: Annual Rebalancing - The second Friday of December marks the annual rebalancing day for most indices, leading to changes in sample stocks and their valuations [5][6]. - Criticism often arises regarding the inclusion of high-performing stocks and the exclusion of underperforming ones, but these changes are a result of established rules rather than market speculation [6][10]. - Understanding that rebalancing reflects adherence to rules rather than market sentiment is crucial for investors [8][35]. Group 2: Market Capitalization Indices - Market capitalization indices, such as the CSI 300 and SSE 50, aim to represent key companies in the market based on size and liquidity, rather than seeking to capitalize on market fluctuations [16][17]. - These indices naturally exhibit a tendency to include companies that have increased in size and performance while excluding those that have declined, which can be misinterpreted as "buying high and selling low" [18][19]. - The design of market cap indices prioritizes transparency and alignment with economic structures over short-term gains [20][21]. Group 3: Strategy Indices - Strategy indices, like dividend indices, focus on specific factors such as dividend yield rather than market capitalization [24][25]. - These indices adjust their components based on the stability of dividend payments, leading to a different risk-return profile compared to market cap indices [28]. - The mechanism of strategy indices allows for continuous alignment with predetermined financial metrics, rather than predicting future market movements [27][28]. Group 4: Understanding Index Characteristics - Market capitalization indices and strategy indices serve different purposes and are not mutually exclusive; they address distinct investment needs [31][32]. - Market cap indices provide a baseline for market returns, while strategy indices can be used for risk management and income generation [32][33]. - Misinterpretation of indices often stems from short-term emotional reactions rather than a proper understanding of their long-term rules [34][35].

以下文章来源于六亿居士 ，作者六亿居士 六亿居士 . 雪球2024年度十大影响力用户。每周发布指数估值表，坚持指数基金(ETF)低估定投，分享指数基金基础分析，让我们：买入有依，持有有底，卖出有 据。 ↑点击上面图片 加雪球核心交流群 ↑ 风险提示：本文所提到的观点仅代表个人的意见，所涉及标的不作推荐，据此买卖，风险自负。 作者：六亿居士 来源：雪球 每年12月的第二个星期五的下一交易日 ， 是大部分指数的年度调仓日 。 如果平常注意指数编制规则 ， 我相信对此会有较深印象 。 今天正是这样的一个调仓日 ， 收盘之后不少指数的样本将发生变化 ， 指数的估值情况 、 行业分布 ， 也会随之产生一些调整 。 01 这几天 ， 我们可能会看到一些批判的声音 。 比如 ： 上证50又追涨杀跌啦 ， 沪深300纳入了某些涨幅巨大的科技股 ， 市值规模指数怎么剔除 了某个跌了很久的大白马 ？ 而与之相对的 ， 一些策略指数因为编制特性 ， 会出现高抛低吸的状态 。 比如红利类指数基于编制策略 ， 会剔除股息率下降较大的成份股 ， 纳入股息率较高的成份股 ， 从而完成指数的新老更替 。 这些现象 ， 本身并不假 ， 但如果 ...