Correlation Risk and Copulas
Free GARP FRM Part II lesson in Market Risk Measurement and Management. 21 min read, ~3,200 words.
Financial correlation risk is the chance that asset correlations move adversely. Correlations rise toward 1 in stress; diversification benefits evaporate when capital is most needed. Empirical correlation properties: equity correlations are mean-reverting, regime-shifting, and right-skewed. Distributions: Johnson SU for equity correlations, normal-mixed for bond correlations. Copula functions separate marginal distributions...
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What this lesson covers
- Content
- Example 1
- Example 2
- Common Mistakes
- Key Takeaways
- Exam Shortcuts
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