市净率PB

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号称“长生不老”的基金,到底是什么来头?
雪球· 2025-09-20 01:53
Core Viewpoint - The article emphasizes the advantages of index funds as a long-term investment strategy, highlighting their ability to capture overall market growth and reduce emotional trading behavior [45][47]. Group 1: Understanding Index Funds - Index funds are designed based on specific selection rules, such as market capitalization or industry, and are known as passive funds due to their automatic adherence to these rules [8]. - The most common types of index funds are broad-based and sector-specific funds, with broad-based funds reflecting overall market performance and sector funds representing specific industries [11][13]. - Index funds are often referred to as "immortal" because they continuously adjust their holdings based on selection criteria, ensuring they remain relevant as market conditions change [15][16]. Group 2: Selecting Index Funds - To profit from index investments, it is crucial to identify indices with a growing total market capitalization over time [27]. - In the Chinese market, there are over 2,000 index funds available, and investors should consider broad-based indices like the CSI 300 or A500 if they believe in the overall economic growth [28]. - Sector-specific index funds can be chosen if there is confidence in the sustained growth of a particular industry, but they may carry higher risks due to external factors [32]. Group 3: Investment Timing and Valuation - Before investing in index funds, it is essential to assess the valuation to determine if the current price is reasonable [33]. - Price-to-Earnings (PE) ratio is a key indicator for evaluating the profitability of the underlying stocks in an index fund, with lower PE values generally being more favorable [36]. - Price-to-Book (PB) ratio reflects how much investors are willing to pay for each unit of net asset, with lower PB values being preferable, especially for cyclical industries [38]. Group 4: Historical Context and Strategy - Historical percentiles provide context for current valuations, indicating whether the current PE or PB is relatively low or high compared to historical data [43]. - The article concludes that the success of Warren Buffett in his bet against active management can be attributed to the long-term upward trajectory of the S&P 500 and the self-adjusting nature of index funds, making them suitable for ordinary investors [45][47].