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什么是指数调仓?|投资小知识
银行螺丝钉· 2025-12-12 13:58
Group 1 - The article discusses the temporary adjustments made by index companies in response to special events that affect the representativeness and investability of indices [2] - Temporary adjustments to indices are relatively rare occurrences [3] Group 2 - Regular adjustments to indices are based on the principle of sample stability and dynamic tracking, with a review of sample stocks conducted periodically [4] - For example, the CSI 300 Index selects the 300 largest and most liquid stocks from the Shanghai and Shenzhen markets, with biannual rebalancing to ensure the index reflects current market conditions [4] - The frequency of regular adjustments varies among indices, with some adjusting quarterly, semi-annually, or annually [5] - Specific adjustment schedules include quarterly adjustments in March, June, September, and December, semi-annual adjustments in June and December, and annual adjustments in December [5][6]
价值投资,在历史上经历过哪些演变?|投资小知识
银行螺丝钉· 2025-10-08 13:56
Group 1 - The core investment philosophy of Graham focused on finding extremely undervalued companies with easily liquidated assets [2][4] - Post-World War II, the investment landscape shifted towards low valuation investments, with overall market valuations increasing due to the baby boom and the "Nifty Fifty" bull market [4][5] - The concept of "cigar butt" investing, which involved picking up undervalued opportunities, became less prevalent as the market evolved [5] Group 2 - Graham's disciple Schloss specialized in low price-to-book ratio investments, which later influenced the development of value indices in index funds [6][7] - Buffett, influenced by Charlie Munger, began to accept the idea of buying excellent companies at reasonable prices, diverging from Graham's strict undervaluation approach [8][9] - Munger's perspective emphasized that purchasing high-quality companies at reasonable prices can still be a sound investment, as the value created by these companies will exceed the initial price paid [9]
投资小知识:价值投资,在历史上经历过哪些演变?
银行螺丝钉· 2025-04-13 13:34
文 | 银行螺丝钉 (转载请注明出处) トリア J- 当时的格雷厄姆,寻找的也是一些极端低 估的公司。 这些公司,账面上都有着容易变现的流动 资产。 买下公司的股票,成为大股东。 召开股东大会,变卖资产变现或者用流动 资产回购,就可以获得回报。 (2) 二战后: 低估值投资。 格雷厄姆的低估值投资,主要擅长低市净 率投资。 这种投资理念,后来演变成了指数基金中 的"价值指数"。 例如现在看到的300价值、价值100等策略 指数,其实就是来自于此。 (3) 用合理价格,买入优秀公司。 巴菲特受到查理·芒格的影响,开始接受 用合理价格,买入优秀公司。 跟格雷厄姆不同的是,查理·芒格认为, 优秀的企业,可以放宽买入的价格。 用合理价格买入优秀公司,也是划算的。 随着婴儿潮和"漂亮50"牛市,美股整体 估值逐渐提升。 捡烟蒂的投资机会,逐渐减少。 格雷厄姆的价值投资理念,逐渐变成了投 资一篮子「低市盈率、低市净率」的股 票。 格雷厄姆的另一个徒弟,施洛斯,继承了 最终优秀的公司创造的价值,会远超开始 时付出的价格。 不过要注意的是,合理的价格买入优秀的 公司,不代表不看估值。 ▼点击阅读原 文,免费学习大额家庭资产配 ...
龙头、红利、价值、低波动、成长、质量六大策略指数,投资价值如何?(精品课程)
银行螺丝钉· 2025-03-19 13:59
文 | 银行螺丝钉 (转载请注明出处) 我们常见的指数策略主要有六种:龙头、红利、价值、低波动、成长、质量。 有朋友问,这些策略都是啥意思,有什么特点? 这六大策略在A股有效吗?我们该如何配置不同的策略指数呢? 针对大家的这些疑问,螺丝钉也通过直播课,进行了讲解。 长按识别下面二维码,添加 @课程小助手 微信,回复「 1119 」即可观看直播回放。 (提示:回复后可以耐心等待几秒哦~) 市值选股指数的缺点:追涨杀跌 沪深300等指数,是按照上市公司的市值规模大小,来挑选股票。 这就会导致指数追涨杀跌: · 涨得多的股票 → 市值变大 → 调仓时被纳入; · 跌得多的股票 → 市值变小 → 调仓时被剔除。 其实这个情况倒不是在沪深300上先出现。 在上世纪90年代美股牛市的时候,在标普500、纳斯达克100等指数上就遇到了类似问题。 当时是互联网泡沫,很多股票跟互联网沾边就大涨,市值很高。 在上涨后,被纳入到纳斯达克100等指数中。 导致之后互联网泡沫破裂,纳斯达克100下跌反而更多。 所以早在沪深300诞生之前,海外的市值选股指数就遇到过类似的情况了。 不过这种情况熊市影响不大,主要是牛市中后期影响大一些。 ...