投资 · 现代投资信

霍华德·马克斯:风险·第7则

霍华德·马克斯《《风险》》· Risk · 投资 · 认知

Let’s say someone makes an investment that works out as expected (or better). Does that mean it wasn’t risky? Or let’s say the investment produces a loss. Does that mean it was risky? Or that it should have been perceived as risky at the time it was analyzed and entered into? If you think about it, the response to these questions is simple: The fact that something happened doesn’t mean it was likely, and the fact that something didn’t happen doesn’t mean it was improbable. Improbable things happen all the time, just as likely things often fail to occur.

出处: https://www.oaktreecapital.com/docs/default-source/memos/2006-01-19-risk.pdf
定位:Memo, excerpt 7 · 核对日期:2026-10-19 · 核验:短摘录

白话

一笔投资赚了钱,不代表它当初没风险;亏了钱,也不代表它当初就该被看成高风险。核心在于:结果好坏和风险高低是两回事。风险说的是事前各种结果的可能性,不是事后实际发生了哪一个。小概率的坏事照样会发生,大概率的好事也可能落空。所以判断决策对不对,不能只看结局,要看当时掌握的信息下,这个赌注值不值得下。做法是复盘时把运气和判断分开:赚了要问是不是侥幸,亏了要问是不是本来就可预见。

上下文

霍华德·马克斯是橡树资本创始人,他在《风险》一文里专门讨论投资风险常被误解的地方。

今日一问

你最近一次赚钱的投资,是判断对了,还是运气好?

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