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This classroom is an educational publication, not advice. Study tools, labs, and paper results stay hypothetical. Read the disclaimer.

Risk & weather

Lesson 07 of 22 · 17 min

Risk language — the wiggle and the hole

Volatility is the wiggle. Drawdown is the hole measured from a peak. They answer different questions, and using one where the other was meant is the most common error in the vocabulary.

What you will be able to do

After this lesson you can say precisely what volatility and drawdown each measure, demonstrate that identical volatility can hide very different drawdowns, and compute what a given fall costs to recover.

Inside this lesson

  • Two questions, two numbers
  • The same thirty days, reshuffled
  • Why the hole is the number that matters
  • Getting back is not symmetric
  • What VaR is, and is not

This lesson is on Scholar

Audit includes orientation and the two-rooms lesson. The rest of the path is paid course access — still education, still not advice.

Included on Scholar · $79/month tuition.