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Perhaps, since the measurement of potential gain and loss…

“Perhaps, since the measurement of potential gain and loss from a particular stock is so subjective, it is easier, if you are a professional or academic, to use a concept like volatility as a substitute or a replacement for risk than to use some other measure. Whatever the reason for everyone…” quote by Joel Greenblatt
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““Perhaps, since the measurement of potential gain and loss from a particular stock is so subjective, it is easier, if you are a professional or academic, to use a concept like volatility as a substitute or a replacement for risk than to use some other measure. Whatever the reason for everyone else’s general abdication of common sense, your job remains to quantify, by some measure, a stock’s upside and downside. This is such an imprecise and difficult task, though, that a proxy of your own may well be in order.””

Joel Greenblatt

About This Quote

Source Book: The Little Book That Still Beats the Market, Joel Greenblatt, 2010

Because risk is hard to measure, analysts often replace it with volatility, though this proxy can be misleading.

In simple terms: Volatility isn’t the same as risk.

Key Takeaway

Don’t rely solely on volatility as a risk gauge.

Themes

risk assessment financial metrics investment strategy

Mood

critical thoughtful

Type

analytical strategic

When to use this quote

  • stock selection
  • portfolio construction
  • risk management
  • academic research

Key Concepts

volatility risk quantification proxy measures

Questions to Reflect On

  • How can you incorporate fundamental analysis alongside volatility?
  • When might volatility be a useful signal?
A Different Perspective

Volatility may reflect price swings but not underlying business fundamentals.

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