聪明的投资者
本集角度 · 防守才是进攻:安全边际与市场先生
ABOUT这本书
格雷厄姆1949年写给普通人的书,1973年出第四版,巴菲特十九岁读到它,后来去哥伦比亚大学做了他的学生。藏书阁这本是2003年茨威格评注版,每章后面跟一章评注,把安然、网络股泡沫这些1972年之后的例子补进去,厚到640页。全书的脊梁是两个比喻:第八章的「市场先生」,一个每天上门报价、情绪不稳定的合伙人,你可以跟他做买卖,但别让他替你判断;第二十章的「安全边际」,用买入价和内在价值之间的差额去吸收错误和坏运气。第一章开头那条投资的定义,从1934年《证券分析》起用了38年没改。
Graham wrote this for ordinary readers in 1949 and revised it through 1973; Buffett read it at nineteen and later became his student at Columbia. Our copy is the 2003 Jason Zweig edition, each chapter followed by a commentary that brings in Enron and the dot-com bust, running to 640 pages. Two images carry the book: Chapter 8's Mr. Market, an obliging, moody partner who quotes you a price every day and whom you may trade with but never obey, and Chapter 20's margin of safety, the gap between price and value that absorbs error and bad luck. The definition of investment on page 18 dates from Security Analysis in 1934 and went unchanged for 38 years.
POINTS要点
- 投资和投机的分界是分析、本金安全、足够回报三件事,缺一条就是投机。Investment needs three things: analysis, safety of principal, adequate return. Miss one and it is speculation.
- 市场先生每天报价,你可以跟他成交,别让他替你判断价值。Mr. Market quotes a price every day. Trade with him if you like; never let him set your view of value.
- 价格大跌是买的机会,大涨是卖的机会,其余时间去看公司经营。A sharp fall is a chance to buy, a big rise a chance to sell; the rest of the time, watch the business.
- 安全边际等于股票盈利率减债券利率,1972年是负的,2026年再算一次。Margin of safety is earnings yield minus bond yield. It went negative in 1972. Run it again for 2026.
EXCERPTS原文摘句 · 5 条
GODZILLA哥斯拉怎么读
做利率的人读这本书,最有用的是第二十章那道小学算术:股票盈利率减债券利率,差多少就是安全边际。1965年是9%减4%,格雷厄姆说边际超过100%;1972年两边持平,他直说是负的。2026年这个秋天美债10Y在5%附近,标普盈利率四点几,AI资本开支顶着估值,这道减法又是负数,做债的人看着有点想笑。第八章市场先生,做利率的人读来最扎心,台子上每天在屏幕上给JGB报价的人,情绪不比他稳定,日银每次转向前台子上喊「不会动」的人永远最多,市场先生的情绪就是这么写进JGB报价的。过时的部分:债券配置比例、铁路公司的利息保障倍数,今天用不上,跳过。茨威格2003年的评注假设你没见过泡沫,我们都见过了。
For a rates trader the chapter that pays is Chapter 20 and its schoolbook arithmetic: stock earnings yield minus bond yield equals your margin of safety. In 1965 that was 9% against 4%; by 1972 the two had met and Graham called it negative. This autumn US 10-year yields sit near 5%, the S&P earns four and change, and AI capex props up the multiple. The subtraction is negative again, darkly funny for a bond trader. Chapter 8 stings for a rates trader: desks quote JGB prices all day with moods no steadier than his, and before every BoJ turn the desk's loudest voices say nothing will move. His mood is written into JGB prices. Skip the railroad coverage tests. Zweig's 2003 commentary assumes you have never seen a bubble.
FOR适合谁
第一次认真买股票的人先读第一、八、二十章,其余按需要翻。已经做了几年的人重读第八章评注那段互联网泡沫账。想找选股公式的人这里只有一半,另一半在《证券分析》。
First-time stock buyers: read Chapters 1, 8 and 20, dip into the rest. Practitioners of a few years: reread the Chapter 8 commentary on the dot-com bust. Stock-picking formulas are only half here; the rest is in Security Analysis.
