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What is Mean Reversion?

Mean Reversion A statistical theory stating that asset prices and historical returns eventually move back toward the mean or average level. Widely used in quantitative investment and risk models.

Source: CFA Institute, IFRS Foundation, FASB (GAAP), Basel III Framework

How is “Mean Reversion” Used in Practice?

Quantitative strategies often exploit mean reversion to generate alpha by trading deviations from average price levels.

Certification Exam Relevance

CFAACCAFRM

Who Needs to Know This Term?

  • Financial Analysts
  • Bankers
  • Traders

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Frequently Asked Questions

What is Mean Reversion?

A statistical theory stating that asset prices and historical returns eventually move back toward the mean or average level. Widely used in quantitative investment and risk models.

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